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Doc.: PSP-TEC-015-R02

Edition 2TD – Task Description

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Edition Date Location of change Description / Reason of change0 17.07.2012 First edition (B8131202)

1 29.09.2014 Instructions for DTC V02.0 turbines are added.

Eng #: TD G8X-G9X-32-00-00-00-0-34M-0-F Date: 29-09-2014

See completion instructions in document PSP-TEC-015-A01

PART 1 - GENERAL INFORMATION

1. TITLE

INSTALLING LT ELEMENTS IN G8X-STD

2. TYPE OF NOTE FOR SUPPORT ENGINEERING

Special modification or intervention instructions.

3. SCOPE

This document contains instructions for mounting the low-temperature kit in a G8X-STD wind turbine DFM V3.0, V3.1, V3.2, V3.3 and DTC V02.0

APPLICABILITY

Wind turbine type: G80-STD, G83-STD, G87-STD and G90-STD with cabinets DFM V3.0, V3.1, V3.2, V3.3 orDTC V02.0.

Wind farm: Any

Wind turbine number:

SUMMARY OF CONTENTS

The conversion of the G8X-STD turbines into G8X-LT includes:

- Mounting the additional cable guide trays

- Mounting the thermal blankets on rotor accumulators

- Changing the transformer skirt

- Mounting the air heaters on the nacelle

- Replacing the ventilation grille of the transformer

- Replacing the electrical rotary joint

- Mounting the LTK cabinet

- Installing the wiring and making the electrical connections

ACRONYMS

LTK: Low Temperature Kit

STD: standard

LT: Low temperature

7. BACKGROUND

ENEL-Romania has requested the conversion of G8X – STD turbines into G8X – LT, in the wind farms CaraConstantini, Dealul Pietros, Salbatica I, and Salbatica II

Object Code generating the Support Engineering Note C13.02

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8. JUSTIFICATION FOR THE SUPPORT ENGINEERING NOTE

Client request

9. SUPPORT ENGINEERING NOTES AFFECTED

N/A10. CONDITIONS OF IMPLEMENTATION

a) Priorities and implementation deadlines

Scheduled activity Implementation deadline: Dec-31-2020b) Mandatory nature

Engineering Notes of Optional Support

11. DURATION OF THE WORK

3 workers. Exactly 5 workers are needed for mounting the transformer floor (step 7). 5 days

12. QUALIFICATIONMaintenance personnel with mechanical knowledge and maintenance personnel with electrical knowledge. Also, atechnician from the team must have knowledge for loading the SW.

13. REQUIRED INFORMATION AND DOCUMENTATION

Code Title

G8X-G9X-31-00-00-00-0-310-0-F G8X general wind turbine safety regulations

G8X-G9X-04-04-18-00-0-34R-0-F Replacing the electrical rotary joint – G8X

G8X-G9X-07-02-00-00-0-31P-0-F Applying the mechanical brake – G8X

G8X-G9X-31-00-00-00-0-230-2-F Stop and start-up – G8X Turbine

G8X-G9X-31-00-00-00-0-310-6-F Disconnection and connection of the turbine to the remote control system -G8X Turbine

G8X-G9X-09-02-00-00-0-31P-0-F Locking and unblocking the rotor - G8X Turbine

G8X-G9X-18-00-00-00-0-31P-0-F Discharging, grounding and energizing the transformer – G8X Wind Turbine

G8X-G9X-17-00-00-00-0-31P-0-F Connecting and disconnecting and the high-voltage switchgear – G8X Wind Turbine

GD001397 Auxiliary Installation Final Test, G80RCC Low Temperatures

GD068250 FT Belimo Actuator

GD045114 Ingeteam cabinet V3.1 electrical diagrams

GD049379 Ingeteam cabinet V3.3 electrical diagrams

GD007690 Ingeteam cabinet V3 electrical diagrams

GD005042 ABB V02.0 electrical cabinet layouts

14. ADDITIONAL INFORMATION AND DOCUMENTATION

Code Title

15. AUTHOR

Name: IMANOL AZCONA / F. JAVIER GONZALEZ

Tech/Comp. Unit: Support Engineering

Manager: Electrical / Mechanical

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PART 2 - INSTRUCTIONS

INDEX

1. GENERAL SAFETY INSTRUCTIONS................................................................................................. 4

2. STOPPING THE WIND TURBINE AND HOISTING MATERIAL............................................................. 6

3. LOCKING THE ROTOR .................................................................................................................. 6

4. ENTERING THE ROTOR ................................................................................................................ 6

5. MOUNTING THERMAL BLANKETS ON ROTOR ACCUMULATORS (day 1) ............................................ 7

6. MOUNTING THE CABLE GUIDE TRAYS (day 1)...............................................................................13

7. DISMOUNTING THE TRANSFORMER SKIRT (day 2)........................................................................15

8. REPLACING THE TRANSFORMER AIR INLET (day 2).......................................................................17

9. MOUNTING THE TRANSFORMER SKIRT (day 2) .............................................................................24

10.

MOUNTING THE AIR HEATERS (day 3) .........................................................................................26

11.

MOUNTING THE FG027 IN TOP CABINET (day 3)...........................................................................30

12. MOUNTING THE LTK CABINET (day 4)..........................................................................................37

13. ROUTING CABLES (day 4)............................................................................................................40

14. REPLACING THE ELECTRICAL ROTARY JOINT (day 4)....................................................................44

15. CONNECTING CABLES (day 4)......................................................................................................45

16. UPDATING SOFTWARE AND CHECKS ............................................................................................57

17. FINISHING THE WORK ................................................................................................................61

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RISK OF IMPACTS, CUTS AND ENTRAPMENT BY PORTABLE ELECTRIC TOOLS

Before using the electric drill or saw, check that they are in good condition.

When using tools, be careful so as not to place body parts in areas where they could be cut,trapped or struck as a result of faults in the material on which work is being carried out, tool

slippage, etc.Wear snug-fitting clothes, do not wear necklaces or rings, and tie back long hair.

Keep all the safety devices (guards) in their position.

Do not stop moving parts with hands.

Before changing the discs of the saw, the machine must be completely disconnected.

Wear snug-fitting protective gloves against mechanical injuries and protective gogglesagainst mechanical injuries

RISK OF PROJECTION OF PARTICLES

Wear snug-fitting protective gloves against mechanical injuries and protective gogglesagainst mechanical injuries when using the electric drill or saw.

Inspect accessories to ensure that they are in the correct condition and properly incorporatedonto the tool before each use. Never tamper with safety systems.

Persons in the work area during use of this tool must wear the same personal protectiveequipment due to the risk of particles, fragments or working material being projected by the tool.

ELECTRICAL CONTACTS OR POWER SOURCES

Check the correct condition of the cables and connection pins of portable tools. Improvisedsplices are forbidden. Never tamper with tool safety systems.

When using portable electric tools for these operations, check that they are not faulty bychecking the condition of the cover, cable and connection pin.

RISK OF EXPOSURE TO NOISE

A noise level above 85 dB or noise peaks over 137 dB can damage hearing.

Use certified hearing protection.RISK OF FORCED POSTURES AND OVEREXERTION

Whenever possible, use auxiliary mechanical means to avoid handling loads manually.

When required to manually handle large, heavy or irregular loads, seek help from one ormore co-workers whenever possible.

In order to minimize ergonomic risks, carry out stretching/warming up exercises, take regularpauses or rest periods, and alternate tasks.

Adopt appropriate postures and take regular breaks.

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2. STOPPING THE WIND TURBINE AND HOISTING MATERIAL

Take the following steps before starting the tasks:

• Report to the substation and inform of the scheduled tasks

• Set up the warning and safety signs at the wind turbine door (GXX-000-31-00-00-04-0-310-0-F)• Stop the wind turbine (G8X-G9X-31-00-00-00-0-230-2-F)

• Disconnect the communication between the wind turbine and the remote control system (G8X-G9X-31-00-00-00-0-310-6-F)

• Cordon off the work area (GXX-000-31-00-00-04-0-310-0-F)

• Use the hoist to lift the necessary tools and parts for mounting the thermal blankets and cable guide trays(G8X-G9X-31-00-00-00-0-310-2-F).

3. LOCKING THE ROTOR

RISK OF ENTRAPMENT BY OR BETWEEN OBJECTS

Before carrying out the operations, first lock the rotor as defined in document G8X-G9X-09-02-00-00-0-31P-0-F “Main shaft system-Rotor lock system." Locking and Unlocking".

The wind speed limit beyond which the rotor cannot be locked will be defined in document G8X-G9X-09-02-00-00-0-31P-0-F “Main shaft system-Rotor lock system." Locking and Unlocking".

4. ENTERING THE ROTOR

Enter the rotor from the nacelle with the necessary parts and tools.

RISK OF FALLING TO ANOTHER LEVEL

To enter the rotor, follow the instructions of document G8X-G9X-33-00-00-00-0-310-0-F “Rotor. Access to the interior of the rotor".

When entering the rotor, ensure that there are no cracks in the welded structure of the conesupport and that the cone fiber panels are in perfect condition.

RISK OF EXPOSURE TO POWER SOURCES OR ELECTRICAL CONTACTS

Before entering the rotor, ground the blades as per document G8X-G9X-03-00-00-00-0-31P-1-F “Blade system. Grounding."

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Replacing starter motor MS325

The front side of starter motor MS325 has a small wheel for setting the cut-off current; there are different modelsbased on the range of settings permitted by that wheel.

The front part also has a label (FG023 or FG249, as applicable) to identify this component in the Gamesa electrical

diagrams.

In DFM V3.0 and V3.1 wind turbines:

1- Turn the FM005 and FM015 circuit breakers on the front part of the Top cabinet OFF, lock out and tag out sothey are not accidently re-assembled.

Check the absence of voltage (230Vac) between terminals X1:20A, X1:20B and X1:21A, X1:21B.

2- Access the hub cabinet and check the installation of the starter motor FG023 and if there is a hole to run thecables of the blankets.

If there are no free holes, make 4 holes in the bottom part of the rotor electric cabinet (Ø 12mm) and place thecompression glands (P393070 and P393071).

If the starter motor FG023 is installed, set it to 7A.

If the starter motor FG023 is installed but cannot be set to 7A:

• Identify the cables connected to starter motor FG023 and disconnect them.

• Dismount the starter motor and install new starter motor 50888.

FGxxx

SETTINGWHEEL

LABEL

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• Following the identification given above, reconnect the cables.

• Set the new starter motor to 7A and label it as FG023 with an adhesive label.

If the starter motor FG023 is not installed (see diagram):

• Mount a 120 mm piece of DIN rail (8415PF01) on the left cabinet door at the height of the terminal strip

(see image).• Secure the rail with 4 rivets, each with a diameter of φ4.8 (159663) and their washers (GP001469).

• Mount the new starter motor (50888) on this rail.

FG023 MOUNTING AREA

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• If they are not installed, find a location and mount 3 simple terminals GP004858. Label them as X1:7A, 7Band 7C.

• If they are not installed, find a location and mount 9 simple terminals GP004858. Label them as X2:3A, 3B,

3C, 4A, 4B, 4C, 5A, 5B and 5C• Install a 1.5mm2 red cable between terminal X1:7A and FG023:1

• Install a 1.5mm2 red cable between terminal X1:7B and FG023:3

• Install a 1.5mm2 red cable between terminal X1:7C and FG023:5

• Install a 1.5mm2 red cable between terminal FG023:2 and X2:3A

• Install a 1.5mm2 red cable between terminal FG023:4 and X2:3B

• Install a 1.5mm2 red cable between terminal FG023:6 and X2:3C

• Bridge terminals X2:3A and 4A with a 1.5mm2 red cable

• Bridge terminals X2:3B, 4B and 5A with a 1.5mm2 red cable

• Bridge terminals X2:3C, 4C and 5B with a 1.5mm2 red cable

Once the connections are made, lock out and tag out the circuit breakers FM005 and FM015, and turn them ONagain.

Note: The blanket temperature is controlled from the thermostat that incorporated in the blanket itself.

In DFM V3.2 - V3.3 and DTC V02.0 wind turbines

1- Turn the FM005 and FM015 circuit breakers located on the front part of the Top cabinet OFF; lock out and tagout so as to prevent them from being accidentally re-assembled.

Check the absence of voltage (230Vac) between terminals X4:2A, X4:2B and X4:6A, X4:6B.

2nd - Access the hub cabinet and check the installation of the starter motor FG249.

If the starter motor FG249 is installed, set it to 7A.

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If the starter motor FG249 is installed but cannot be set to 7A:

• Identify the cables connected to starter motor FG249 and disconnect them.

• Dismount the starter motor and install new starter motor 50888.

• Following the identification given above, reconnect the cables.


If the starter motor FG249 is not installed (see diagram):

• Find a location and install the new starter motor 50888.


• Find a location and install 3 simple terminals GP004858. Label them as X1:9, 10 and 11.

• Find a location and install 9 simple terminals GP004858. Label them as X4:7, 8, 9, 10, 11, 12, 13, 14 and 15.

• Install a 1.5mm2 red cable between terminal X1:9 and FG249:1



• Install a 1.5mm2 red cable between terminal FG249:2 and X4:9

• Install a 1.5mm2 red cable between terminal FG249:4 and X4:10

• Install a 1.5mm2 red cable between terminal XFG249:6 and X4:13

• Bridge terminals X4:7, 8 and 9 with a 1.5mm2 red cable

• Bridge terminals X4:10, 11 and 12 with a 1.5mm2 red cable• Bridge terminals X4:13, 14 and 15 with a 1.5mm2 red cable

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Once the connections are made, lock out and tag out the circuit breakers FM005 and FM015, and turn them ONagain.

Note: The blanket temperature is controlled from the thermostat that incorporated in the blanket itself.

7A gauging

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6. MOUNTING THE CABLE GUIDE TRAYS (day 1)

4 trays (GP055450) must be mounted in the nacelle to route the low temperature kit cables.

RISK OF CUTSThe trays can cause cuts because they have sharp edges or corners.

Wear protective gloves against mechanical injuries.


Before placing the trays beneath the front frame ensure that the circuit breaker of the powersupply source to the gear motors is disconnected, locked out and tagged out. Verify that it isimpossible to yaw the nacelle from the screen

Disconnect, lockout and tag out circuit breaker FG180 as indicated in procedure G8X-G9X-19-00-00-00-0-31P-0-Fto cut off the power supply of the gear motors. Verify that it is impossible to yaw the nacelle from the screen.


When standing on the nacelle floor fiber use a harness and lanyard with energy absorber deviceand wide mouth hook or a retractable belt fastened to an anchor device.

Two trays will be mounted on the horizontal cross profile underneath the front frame, each one to one side of the

yaw sensor.

2 more trays will be mounted on the second column (beginning from the front) on the left side. Both trays will besecured to the front part of the column; one (A) on the upper part of the column at 5 cm above the frame and theother (B) on the lower part of the column, centered vertically.

To secure each tray:

• make 3 through holes of φ5mm into the profiles onto which the trays will be mounted. To determine thedrilling position, first set the tray into place and then mark with a marker using the holes on the tray forfastening cables. Drill a hole on each side of the tray at 5 cm from the edge and another in the center.

RIVET

WASHER

TRAY

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• place the tray in its position

• secure the tray with 3 rivets, each with a diameter of φ4.8 (159663) and their washers (GP001469).

A

B

A

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7. DISMOUNTING THE TRANSFORMER SKIRT (day 2)

Fit a DIN580-M12-C15 eyebolt with nut ISO4032-M12-8 and washer ISO7089-12-200HV-DA onto the hole at theend of the new skirt GP001075.

Attach the eyebolt to the hoist with a 1 m sling (WLL: 1000 kg) with a 7/16” shackle (WLL: 1500 kg).

Bring the new skirt up to the nacelle and leave it in a spot where it will not interfere with any possible evacuation.

Disconnect the medium voltage switchgear and ground the transformer.


All operations involving electrical hazards must be performed by personnel authorized by theircompany to do so, based on the legislation in force, and equipped with the correspondingpersonal protective equipment.

Follow the instructions in G8X-G9X-17-00-00-00-0-31P-0-F, “High voltage switchgear,disconnection and connection," for handling the high-voltage switchgear.

Before entering the transformer area, follow the indications included in document G8X-G9X-000-18-00-00-00-0-31P-0-F “Safe access to transformer."


While carrying out work on the fiber of the floor, there is a risk of falling to another level. Beforebeginning these tasks, inspect the condition of the fiber and, if any cracks are observed,suspend the work and inform the person in charge of the operation.

Before standing on the fiber hatchway of the hoist and when standing or remaining on the floorfiber under the frame, use a harness and energy-absorbing fall arrest lanyard and wide mouthhook or retractable belt to a an anchor device.

Both workers must be secured to independent anchor devices.

In addition, the lack of lighting and the reduced spaced between the frame and the lower fiber

panel could cause impacts. Wear a head lamp.RISK OF ENTRAPMENT BY OR BETWEEN OBJECTS

When handling and moving objects and materials, use extreme caution not to place any parts ofthe body between the elements during its movement and placement.

Wear Protective gloves against mechanical injuries and protective goggles against mechanicalinjuries.

RISK OF CUTS

The sharp edges and corners of the skirt could cause cuts. Wear protective gloves againstmechanical injuries.

Lift the large door of the metal hatchway on the nacelle floor, under which there are 2 chains that open the fibergates when raising the smaller door of the metal hatchway.

Without lifting the smaller door, detach the 2 shackles that fasten the chain tensors to the profiles.

After detaching the 2 chains, the fiber doors will remain shut even if both doors of the metal hatchway on thenacelle floor are opened.

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Have a worker enter the transformer compartment between the transformer and the wall separating it from therest of the nacelle. Have another worker go underneath the floor, between the frame and the fiber panel.

Disconnect the 9 M10x25 screws fastening the skirt to the rear frame; the screws are on the lower part of the

transformer wall, protruding above the floor.

Once unfastened, have 2 workers lower the skirt, setting it down onto the fiber of the cover's lower panel.

Have the worker inside the transformer compartment enter the nacelle and, with the assistance of a secondworker, bring the transformer skirt into the nacelle.

Once the tasks are completed, close the metal hatchways without reconnecting the shackles.

LARGER DOOR

SMALL DOOR TENSIONI

SHACKLE

SMALLDOOR

TRANSFORMER SKIRT

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8. REPLACING THE TRANSFORMER AIR INLET (day 2)

Hoist the bags containing the necessary tools and kits with the hoist.

Given the need to de-energize the wind turbine again so that workers can access the grille underneath thetransformer, a 3x690 V three-phase power generator set will be necessary (or 3x400 V with external auxiliarytransformer to raise voltage to 3x690 V).Disconnect the medium voltage switchgear and ground the transformer.




Before entering the transformer area, follow the indications included in document G8X-G9X-000-

18-00-00-00-0-31P-0-F “Safe access to transformer."

RISK OF PERSONNEL FALLING ONTO THE SAME LEVEL AND A DIFFERENT LEVEL

While carrying out work on the fiber of the floor, there is a risk of falling to another level. Beforebeginning these tasks, inspect the condition of the fiber and, if any cracks are observed,suspend the work and inform the person in charge of the operation.

When standing on the fiber, it is mandatory to remain secured with a retractable fall arrestdevice to an anchor device on the nacelle.

Two workers may not be secured to the same fixed point.

In addition, the lack of lighting and the reduced spaced between the frame and the lower fiberpanel could cause impacts. Wear a head lamp.

RISK OF CUTSThe metal elements of the grille cover can cause cuts due to the presence of sharp edges orcorners with sharp perimeters. Wear protective gloves against mechanical injuries.


Take special precautions not to put any body parts between elements handled duringdismounting and positioning.

Before hoisting the grille that is mounted beneath the transformer, check that the hoisting toolsare in good condition and placement.

While tensing the chains, do not place any part of the body in areas where they can be trapped.

RISK OF SUSPENDED LOADS

Before starting any load hoisting operation, the area must be properly cordoned off to indicatethat access of unauthorized personnel is forbidden and to highlight the risk of falling suspendedloads.

The ropes must be long enough to ensure that the operator is never underneath the suspendedload.

It is prohibited to stand under suspended loads in the area cordoned off for the operation.

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RISK OF BURNS

During restraint and guiding operations, the friction from the ropes against the hands couldcause skin burns.

Wear protective gloves against mechanical injuries.

Preparing the power generator set:

• Disconnect the UPS from the ground by pressing the OFF button

• Open, lock out and tag out the FG8, FG2, FG5, FM077, FG010, FM002, FM004 (UPS ground protection),FM001, FM002, FM003, FM004 (sonic protection), FM005, FM006, FM011 and FM015.

• Keep safeguards FG1, FG61, FG62, FG63, FD004 and FD003 closed.

• Open the differential switch and all the thermal-magnetic protective devices on the unit.

RISK OF EXPOSURE TO ELECTRICAL CONTACT OR POWER SOURCESEnsure that the power generator set has differential and thermal-magnetic elements for each ofthe unit's outputs, and that it is grounded by cable and copper stake.

RISK OF FIRE

Gasoline is highly flammable.

Keep a CO2 fire extinguisher nearby when using the power generator set, to fight possible firesstarting in the unit.

RISK OF EXPOSURE TO CHEMICAL CONTAMINANTS

Gas-oil/gasoline is harmful. If inhaled, it could cause pulmonary damage. May cause skin andeye irritation.

Use in well-ventilated areas.

Mandatory use of nitrile-coated protective gloves against mechanical injuries.

Wear protective goggles against mechanical injuries and liquid splashes

• Ground the power generator set.

• Connect the power generator set to the three-phase socket in the Ground cabinet.

• Start up the power generator set.

• Close the differential switch and thermal-magnetic protective device on the socket that has been connectedto the Ground cabinet.

Carry out this operation with 3 workers in the nacelle and 2 in the wind turbine yard to operate the retention lines.

Open the metal hatchway on the nacelle floor; given that the chains connecting the metal hatchway to the fibergates are still loose, the fiber hatchways are still remain shut.

Have two workers enter into the space between the frame and the fiber, each positioned on either side of the grillecover that is beneath the transformer.

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Measure the distance from the rear edge of the cover with grille (U-profile) until the fiber edge of the lower panelof the nacelle and write the result on the cover with grille with a marker. The new cover with the gate (GP286749)cannot be longer than this distance.

Insert the hanger of tool GP221436 through the hatchway on the nacelle floor and set it onto the grille coverunderneath the transformer.

Remove 1 of the 4 M8x35 screws fastening the grille to the metal profiles.

Place the ½‘’-500kg WLL shackle (GP006199) through the holes where the screw passed through the metal profileand grille; also hook the shackle on one of the chains of the hanger.

Repeat this step for each of the 3 remaining M8x35 screws.

LOWER PANEL OFTHE NACELLE

DISTANCE

U-PROFILE

LOWER GRATINGCOVER

SHACKLE

HANGER

LOWER GRATINGCOVER

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Fit the support for the chain guide of tool GP221436 on the edge of the hoist hatchway, next to the transformerwall and secure it to the 2 lugs that are on either side of the hatchway. Once it is secured, open the side arms ofthe support and lock them with locking screws.

Place the guide for the chain of tool GP221436 on the support placed in the previous step.Run the hoist chain through the rollers on the guide as shown in the figure to align the hoist hook with the hanger.

To join the chain of the hoist to the eyebolt of the hanger, a ½‘’-500kg WLL shackle (GP006199) must be usedbecause the hoist hook does not fit into the eyebolt.

Attach 2 retention ropes onto the rear shackles on the hanger. Run the ropes through the grille and lower themuntil they reach the tower base.

Tighten the hoist chain.

RISK OF OBJECTS FALLING DURING HANDLING

Cordon off a safety perimeter in the wind turbine yard with a radius of 20 m around the tower.Use tool bags and multipurpose bags, as well as fastening systems to prevent the tools,components, etc., from falling.

TIE THE RETENTION LINE

LUG

FASTENINGSCREWSPARA SUPPORT GUIA

ARM

ARM LOCK SCREW

CHAINGUIDE

HANGER

LOW NGER GRATICOVER

CHAIN

ARM LOCK SCREW

CHAINGUIDE

ARM

PARA SUPPORT GUIA

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Before releasing the M10X30 screws that fasten the cover to the lower panel of the nacellefiber, the worker on the floor will verify the absence of personnel in the assembly platformand will communicate it to the nacelle personnel. Do not release the screws withoutauthorization from personnel located in the area.

Have each worker on the fiber underneath the frame stand on each side of the lower grille cover and release the10 M10x30 screws fastening it to the lower nacelle fiber panel. First remove the 4 rear screws and then the 6 sidescrews (3 on each side).

Have the workers underneath the frame move back until they are lying down on the sides of the hoist hatchway sothat they can reach the lower grille cover with their arms outstretched.

Have the worker operating the hoist loosen the chain slightly; if the cover does not begin to descend by its ownweight, have the workers on the fiber push it downward to help it dislodge from the surrounding frame.

Once the grille begin to descend with the hoist, have the 2 workers at the tower base operate the 2 retention linesto keep the cover from twisting, swaying and striking the tower. Do not pull on the retention lines forcefully tolower the load more quickly.

Once on the ground, detach the shackles and remove the cover.

Check whether the new cover with gate (GP286749) will fit into the hole of the old cover, comparing its length withthe distance labeled on the old cover while dismounting it. Also, on the 2 sides and on the rear part of the coverwith gate (GP286749) the fiber must not protrude past the metal profiles.

If the cover with gate is longer or if the fiber protrudes from the metal profiles on the sides or from behind, trimthe fiber excess with a Rotaflex until it fits in the existing hole.

RISK OF PARTICLE PROJECTION

Fiberglass is irritating; do not allow contact with eyes or skin or inhale the fibers.Snug-fitting protective gloves against mechanical injuries and overalls against solidparticles.

Before starting the work shift and whenever necessary, apply protective cream to theface and hands when working with fiberglass (Stoko Arretil is recommended). When thework shift ends, apply lotion to the skin of the face and hands to protect the skin subjectto work-related and environmental stress (Stoko Stokolan is recommended).

4 REARSCREWS

3 SIDESCREWS

3 SIDE

SCREWS

HOISTHATCHWAYS

FIXEDPANELS

LOWER GRATINGCOVER

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Wear protective goggles against mechanical injuries, particles and dust.

Mandatory use of respiratory mask with filter for particles.

To hang the hoisting hanger to the new cover with gate, 4 holes must be drilled into the metallic frame. The drills,of φ9, must be made on the U-profiles (long profiles on the front and rear part) from the inside.

Place the 4 ½‘’-500kg WLL shackles (GP006199) for securing the new cover with gate to the chains on the hanger.Fasten the shackles to the 4 recently-drilled holes.

Use the least number of links as possible, so the hanger can adhere to the grille gate.

Attach two retention lines to the front shackles (those closest to the tower) on the hanger.

Begin hoisting the cover with the hoist, have the 2 workers at the tower base operate the 2 retention lines to keepthe cover from twisting, swaying and striking the tower.

When the cover is approximately 10 cm from its final position, stop the hoist.

PANELS OFMOVINGSLATS

ACTUATOR

REARPART

FRONT PART

INNER FACE OFTHE U-PROFILE

80 MM20 MM

DRILLING AREAS

COVER FOR LV

HOISTING HOLE

SHACKLE

HANGER

COVER FOR LV

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Have the workers underneath the frame lying down next to the hoist hatchway reach to detach the retention ropesfrom the shackles.

Restart the hoist to bring the cover to its final position. Have the workers underneath the frame assist inpositioning/centering the cover by restraining the chains on the hanger so that the metal frame on the cover fits

into the metal frame on the lower fiber panel.Secure the cover by first fitting the 4 screws on the ends of the sides. The chain might need to be tensed a little toline up the holes. Do so by having the worker who has been operating the hoist pull it lightly by hand (not with themotor) or the worker fitting the screw pull the chain from the hanger lightly.

Fit the 4 screws ISO4017-M10x30-8.8 with washers ISO7089-10-200HV-DAC and nuts ISO10511-M10. Do NOTtighten completely so that the remaining screws can be fit.

Fit another 2 screws with the corresponding nuts and washers in the center positions on the sides. From thesepositions, the screw secures the grounding cable that was disconnected when dismounting the cover with grille.

Fit another 4 screws with the corresponding nuts and washers on the rear edge of the cover.

Fully tighten the 10 M10 screws that have just been fitted.

Detach the hanger from the hoist chain, gather the hoist chain, dismount the chain guide and then dismount thehanger from the cover.Once the tasks are completed, close the smaller door of the metal hatchway to remount the shackles that fastenthe chains with the tensor to the hatchway profiles.

Check that the fiber gates open completely when lifting the smaller door of the metal hatchway. Otherwise, adjustthe opening with the tensors.

Route all the power cables corresponding to the transformer gate and defined in point "Routing cables (day 4)”.

SCREWS ON THE ENDS OFTHE SIDE

GROUND CABLE

TENSIONI

SHACKLE

SMALLDOOR

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9. MOUNTING THE TRANSFORMER SKIRT (day 2)

Having concluded all the routing, the new transformer skirt for low temperatures can now be mounted. The newskirt was already brought up before.

The medium voltage switchgear has already been disconnected in the previous point of this document. Thetransformer must continue to be grounded during this operation (see G8X-G9X-000-18-00-00-00-0-31P-0-F).




Before entering the transformer area, follow the indications included in document G8X-G9X-000-18-00-00-00-0-31P-0-F “Safe access to transformer."

RISK OF PERSONNEL FALLING ONTO THE SAME LEVEL AND A DIFFERENT LEVEL

While carrying out work on the fiber of the floor, there is a risk of falling to another level.Before beginning these tasks, inspect the condition of the fiber and, if any cracks are observed,suspend the work and inform the person in charge of the operation.

Before standing on the fiber hatchway of the hoist and when standing or remaining on thefloor fiber under the frame, use a harness and energy-absorbing fall arrest lanyard and widemouth hook or retractable belt to a an anchor device.

Whenever on the fiber, workers must remain secured with a retractable belt and energyabsorber to a secure point (anchor for emergency descent device, eyebolts on the gearbox orgenerator). Both workers must be secured to independent anchor devices

Two workers may not be secured to the same fixed point.

In addition, the lack of lighting and the reduced spaced between the frame and the lower fiberpanel could cause impacts. Wear a head lamp.

RISK OF CUTS

The sharp edges and corners of the skirt could cause cuts. Wear protective gloves againstmechanical injuries.


Be careful not to place any body parts between elements handled during dismounting and

positioning.Wear Protective gloves against mechanical injuries and protective goggles against mechanicalinjuries.

Lift the large door of the metal hatchway on the nacelle floor, under which there are 2 chains that open the fibergates when raising the smaller door of the metal hatchway.

Detach the chains as explained in the point on dismounting the transformer skirt to open the two doors withoutopening the fiber gates.

Have a worker enter the transformer compartment between the transformer and the wall separating it from the

rest of the nacelle. Have another worker go underneath the floor, between the frame and the fiber panel.Between the worker inside the nacelle and the worker underneath the floor, lower the new skirt GP001075 ontothe fiber panel.

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Have the worker underneath the frame position the skirt so that the worker inside the transformer compartmentcan fit the fastening screws: 9 screws ISO4017-M10x25-8.8 with 9 washers ISO7093-10-200HV; the screws arethreaded in the threaded holes on the cross beam of the rear frame.

This is the final task scheduled for day 2. Remove the grounding connections from the transformer (see G8X-G9X-000-18-00-00-00-0-31P-0-F) and reconnect the medium voltage switchgear (see G8X-G9X-17-00-00-00-0-31P-0-F)

to energize the wind turbine and use the elevator.

TRANSFORMER SKIRT

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10. MOUNTING THE AIR HEATERS (day 3)

Hoist the bags containing the necessary tools and parts with the hoist.

RISK OF PERSONNEL FALLING TO ANOTHER LEVEL

When performing any operation on the tower platforms, make sure the ladder hatchway isclosed. NEVER work on it and, when working nearby, remain attached to an anchor point onthe tower.

If the work area is not accessible from the ground, use a ladder or work platform. It isforbidden to climb onto elements or components of the machine that have not been designedfor this purpose.

Before using the work platforms or ladders, verify that the rungs, etc. are in good condition.

Place the ladder or stool in a stable position.


When accessing the exterior of the nacelle, proceed as indicated in document G8X-G9X-13-01-

01-00-0-310-0-F “Roof - Access to the exterior." A wind limit of 15m/s is established for work outside the nacelle, without locking the rotor.

If weather conditions are adverse: snow, patches of ice on the nacelle, heavy rain, etc.,suspend work on the outside of the nacelle until they improve.


Fiberglass is an irritant.

Do not allow contact with eyes and skin. Do not breathe in fibers.Snug-fitting protective gloves against mechanical injuries and overalls against solid particles.



RISK OF OBJECTS FALLING DURING HANDLING

While working the outside of the nacelle, be careful with the different materials and tools toprevent them from falling, using tool multipurpose bags and attaching tools if necessary.Cordon off a safety perimeter in the wind turbine yard with a radius of 20 m from the tower.

Do not work at different levels inside the wind turbine at the same time if the workers are notseparated by watertight surfaces that prevent object and tools from falling onto those that areon the lower level. A sign must be placed on the access door to indicate that access ofunauthorized personnel is forbidden and to highlight the risk of falling suspended loads.


Disconnect, lockout and tag out circuit breaker FG180 as indicated in procedure G8X-G9X-19-00-00-00-0-31P-0-F to cut off the power supply of the gear motors. Verify that it is impossibleto yaw the nacelle from the screen.

A total of 6 air heaters must be installed, distributed in 3 areas: 1 on the left side of the nacelle next to the roof, 2on the front lower part of the cover and 3 air heaters under the yaw system.

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Begin mounting the air heater on the left side of the cover, next to the roof.

Secure the air heater to the metal profile incorporating the joint between the roof and the left side of the cover.Fasten the air heater with the same screws already on the profile, specifically screws numbers 7 and 8, countingfrom the highest point of the cover toward the rear part of the nacelle.

When mounting the supports, have a worker exit to the outside of the nacelle and secure the screws from the roof.Have the worker inside the nacelle loosen the nuts, fit the support and then remount the nuts.

Lastly, mount the air heater onto the support with 1 screw ISO4017-M12x25-8.8, 2 washers ISO7089-12-200HVand 1 nut ISO10511-M12-ZnNiPas.

Move the air heater to direct the air to the center of the generator.

The 2 air heaters at the lower front part of the cover will be mounted on the supports that the manufacturershipped in the same crate with the air heater.

Position the supports, leaving 200 mm from the edges of the support to the edges of the front fiber panel. Use amarker to mark the spots (4 per support) to drill for fitting the screws.

Make 8 holes in the fiber with a φ10mm drill bit.

HIGHEST POINT

7th and 8thSCREWS

200 MM

200 MM 200 MM

200 MM

LEFT AIRHEATER

RIGHT AIRHEATER

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Fasten each support with 4 screws ISO4017-M8x40-8.8, 4 nylon washers (GP055944), 8 washers ISO7089-8-DACand 4 nuts ISO10511-M8-8.

The screws are fitted from outside the nacelle and the nuts from the inside.

Have a worker enter the rotor to restrain the screw when tightening the nuts. Lock the rotor as explained at thebeginning of this document, leaving one blade vertically pointing downward. Access the rotor as explained above.

Lastly, mount each air heater onto the support with 1 screw ISO4017-M12x25-8.8-DAC (GP003570), 2 washers

ISO7089-12-200Hv-DAC (GP001520) and 1 nut ISO10511-M12-ZnNiPas (GP001480).Move the air heaters to the pinions of the front gear motors.

The 3 air heaters next to the clamps are fastened to the 2 profiles that cross through the passing hole of thenacelle tower.

EXTERNAL

ISO7089

ISO4017

SEALING

INTERIOR

ISO10511

ISO7089

AIR HEATER

SUPPORT

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To fasten the air heaters, 6 holes φ9 must be made in the profiles (2 per air heater). First drill the 3 holesaccording to this drawing:

The other 3 holes, which are marked with white dots in the previous drawing, are positioned using a supportGP089263 as a template.

Having drilled the holes, fasten each support (GP089263) with 2 screws [ISO4017-M8x30-8.8-DAC (P630679)], 4washers [ISO7089-8-200HV-DAC (P650248)] and 2 nuts [ISO10511-M8-8-ZnNi (GP002319)].Each air heater is fastened to the support with 1 screw ISO4017-M12x25-8.8-DAC (GP003570), 2 washersISO7089-12-200HC-DAC (GP001520) and 1 nut ISO10511-M12-ZnNiPas (GP001480).

Position the air heaters toward the rear part of the clamps, so that each one covers approximately 120º of the yawsystem.

370±5mm

450±5mm

3

2

1

REAR AREA

GP089263SUPPORT

FRONT AREA

450±5mm

55 MM55 MM

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11. MOUNTING THE FG027 IN TOP CABINET (day 3)

Circuit breaker FG027A (DFM) and FG027 (DTC) will be mounted in their corresponding terminal strip (X14D) tosafeguard the LTK system. In order to access the Top cabinet and drill into it, it is necessary to de-energize thewind turbine.

Use a battery-powered drill and appropriate auxiliary lighting for routing, such as a frontal headlamp or similar.

Disconnect the high-voltage switchgear (see G8X-G9X-17-00-00-00-0-31P-0-F).




Before any intervention on an electrical component, always confirm the absence of voltagewith a voltage detector. Use a measuring device with a measuring range appropriate for thepower supply voltage of the component that will be checked for the absence of voltage.

Wear insulating gloves against electrical injuries for a voltage of 690 Vac and an amber faceshield when checking for the absence of voltage.

RISK OF EXPOSURE TO ELECTRICAL CONTACT OR POWER SOURCES

Ensure that the power generator set has differential and thermal-magnetic elements for eachof the unit's outputs, and that it is grounded by cable and copper stake.

RISK OF FIRE

Gasoline is highly flammable.

Keep a CO2 fire extinguisher nearby when using the power generator set, to fight possible firesstarting in the unit.

RISK OF EXPOSURE TO CHEMICAL CONTAMINANTS

Gas-oil/gasoline is harmful. If inhaled, it could cause pulmonary damage. May cause skin and

eye irritation.Use in well-ventilated areas.

Mandatory use of nitrile-coated protective gloves against mechanical injuries.

Wear protective goggles against mechanical injuries and liquid splashes

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In DFM V3.0 and V3.1 wind turbines

• Access compartment F of the TOP cabinet.

• Locate and check the absence of voltage (690 V) at FF060 and ZF001.

• Check if there is a drill series for FG027 on the right side of the compartment. If there is one, install theFG027A there and label it. If the cabinet is not prepared, drill and place in the position indicated in the

adjacent configuration and in the photos.

• Check if there is a hole to install the 4 terminals in a DIN rail located on the lower part of the left side of thecabinet. If there is lack of space in the indicated DIN rail, install as detailed in the following point.

• On the right side, at the height of filter ZF001, install a 220 mm piece of DIN rail (8087PF01) onto the cabinet

frame rib. Secure the rail with 4 rivets, each with a diameter of φ4.8 (159663) and their washers (GP001469).• On this rail, install 3 WDU terminals of 16mm2 (GP018314) labeled as X12:10, 11 12 and one WDU-PE(GP018315) labeled as X12:12PE.

• Access compartment D of the Top cabinet and locate the circuit breaker FG004.

See diagram GD007690 included in Annex 1 for the wiring.

• Install a black 16 mm2 wire between terminals FG004:1 and FG027A:1. Crimp a 16 mm2-M8 preinsulatedtubular wire terminal ferrule (GP041688) onto each end of the wire.

• Install a brown 16 mm2 cable between terminals FG004:3 and FG027A:3. Crimp a 16 mm2-M8 preinsulatedtubular wire terminal ferrule (GP041688) onto each end of the wire.

• Install a gray 16 mm2 wire between terminals FG004:5 and FG027A:5. Crimp a 16 mm2-M8 preinsulatedtubular wire terminal ferrule (GP041688) onto each end of the wire.

• Apply a tightening torque of 18Nm to the screws of circuit breaker FG004 and of 18Nm to the FG027A circuitbreakers. Mark that torque has been applied with a permanent marker, removing any previous mark.

• Install a black 16 mm2 cable between terminals FG027A:2 and X12:10. Crimp one end of the wire to fit intoFG027A with a 16 mm2-M8 preinsulated tubular wire terminal ferrule (GP041688) and the other with a 16mm2 preinsulated wire terminal ferrule (GP003868).

• Install a brown 16 mm2 cable between terminals FG027A:4 and X12:11. Crimp one end of the wire to fit intoFG027A with a 16 mm2-M8 preinsulated tubular wire terminal ferrule (GP041688) and the other with a 16mm2 preinsulated wire terminal ferrule (GP003868).

• Install a gray 16 mm2 wire between terminals FG027A:6 and X12:12. Crimp one end of the wire to fit intoFG027A with a 16 mm2-M8 preinsulated tubular wire terminal ferrule (GP041688) and the other with a 16mm2 preinsulated wire terminal ferrule (GP003868).

• Apply a tightening torque of 18 Nm to the screws on the circuit breaker FG027A and mark the torque with apermanent marker.

• Cover the terminals of the circuit breaker FG027A with terminal covers low ABB T-Max T4 3P LTC (GP222017).

F

H

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• Install a yellow/green 16 mm2 cable between terminal X12:12PE and the grounding bar inside the cabinetcompartment. Crimp one end of the wire to fit into the terminal strip with a 16 mm2 preinsulated wire terminalferrule (GP003868) and the other with a 16 mm2-M8 preinsulated tubular wire terminal ferrule (GP041688).

In DFM V3.2 and V3.3 wind turbines• Access compartment D of the TOP cabinet.

• Locate and check for the absence of voltage (690 V) at the circuit breaker IS004.

RISK OF EXPOSURE TO CHEMICAL CONTAMINANTS (Loctite 243)

May cause an allergic skin reaction

Wear protective goggles against liquid splashes and nitrile-coated protective gloves againstmechanical injuries.

• Locate the circuit breaker FG002 at the upper part of the module and install a new circuit breaker T4HGP091232 to its left (position marked as FG027A). Fasten by fitting 4 screws ISO4017-M5x30 (GP011347)into the holes already made on the plate. Apply Loctite 243 (thread lock) to the screws. If the four holes arenot there, make 4 holes of φ4mm according to the attached diagram and thread with a M5.

• Label the new circuit breaker T4H as FG027A.

• Check the existence of terminal strip X14D:1, 2 and 3. If it is not there, install 3 16mm WDU terminals(GP018314) and one WDU-PE terminal (GP018315) in the DIN rail installed in the lower part of the cabinet,on transformer TT002. Label the terminals as X14D:1, 2, 3 and X14D:PE.


• Install a black 16 mm2 wire between terminals IS004:1 and FG027A:1. Crimp a 16 mm2-M8 preinsulatedtubular wire terminal ferrule (GP041688) onto each end of the wire.

• Install a brown 16 mm2 cable between terminals IS004:3 and FG027A:3. Crimp a 16 mm2-M8 preinsulated

tubular wire terminal ferrule (GP041688) onto each end of the wire.• Install a gray 16 mm2 wire between terminals IS004:5 and FG027A:5. Crimp a 16 mm2-M8 preinsulated

tubular wire terminal ferrule (GP041688) onto each end of the wire.

H

176 mm

35 mm

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• Apply a tightening torque of 18Nm to the screws of switch IS004 and of 18Nm to those on the FG027Acircuit breaker. Mark that torque has been applied with a permanent marker, removing any previous mark.

• Install a brown 16 mm2 cable between terminals FG027A:2 and X14D:1. Crimp one end of the wire to fit intoFG027A with a 16 mm2-M8 preinsulated tubular wire terminal ferrule (GP041688) and the other with a 16

mm

2

preinsulated wire terminal ferrule (GP003868).• Install a brown 16 mm2 cable between terminals FG027A:4 and X14D:2. Crimp one end of the wire to fit intoFG027A with a 16 mm2-M8 preinsulated tubular wire terminal ferrule (GP041688) and the other with a 16mm2 preinsulated wire terminal ferrule (GP003868).

• Install a brown 16 mm2 cable between the terminals FG027A:6 and X14D:3. Crimp one end of the wire to fitinto FG027A with a 16 mm2-M8 preinsulated tubular wire terminal ferrule (GP041688) and the other with a16 mm2 preinsulated wire terminal ferrule (GP003868).

• Apply a tightening torque of 18 Nm to the screws on the circuit breaker FG027A and mark the torque with apermanent marker.

• Cover the terminals of the circuit breaker FG027A with terminal covers low ABB T-Max T4 3P LTC(GP222017).

• Install a yellow/green 16 mm2

cable between terminal X14D:PE and the grounding bar inside the cabinetcompartment. Crimp one end of the cable to fit into the terminal strip, with a 16mm 2 preinsulated cable endtip (GP003868) and the other with a 16mm2-M8 (GP041688) cable terminal tip.

This is the final task scheduled for day 3.

Disconnect the power generator set and close the safeguards that had been opened previously (when connectingthe power generator set).

Reconnect the medium voltage switchgear (see G8X-G9X-17-00-00-00-0-31P-0-F) to energize the wind turbine anduse the elevator.

In DTC V02.0 wind turbines

• Access compartment C of the Top cabinet.

• Locate and check for the absence of voltage (690 V) at the circuit breaker FG004.

IS004

FG027A FG002

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• Locate the circuit breaker FG002 at the middle of the module and to its right, on the side plate of theseparation module (position marked as FG027), and install the new T2L 160 GP007643 circuit breaker.Fasten using four (M4) screws that are next to the T2L switch on the 4 holes on the plate. Apply Loctite 243(thread locker) to the screws and apply a tightening torque of 1.1 Nm to the screws of the switch. If the four

holes are not there, make 4 holes of φ3mm based on the diagram attached and thread to M4 screws. Leavea space of 42mm from the hole of the right to the door profile and 380mm from the lower hole to the lowerconduit as shown in the image.

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• Label the new circuit breaker T2L as FG027.

• Check the existence of terminal strip X14D:1, 2 and 3. If it does not exist, install 3 10mm WDU terminals(GP013196), and one WDU-PE terminals (GP013197) in the DIN rail installed in the lower part of FG027, ontop of transformer TT003. Label the terminals as X14D:1, 2, 3 and X14D:PE. If the rail does not exist, place

a DIN rail of 150mm of length (GP139752) at 125mm of the lower conduit in the corresponding holes andrivet using two rivets (159663) to install terminal strip X14D.

If there are some elements that have been previously installed on the rail (BT002, KA2, etc.) move them to the leftof the rail and place them in a free space on the right part of terminal strip X14D:1, 2, 3, PE. If there is not enoughspace to house the terminal strip, remove the terminal plugs to add space.


• Install a black cable of 10mm2

(GP286751) between terminals FG004:1 and FG027:1. Crimp a 10mm2

-M6preinsulated tubular wire terminal ferrule (GP021613) on both ends of the cable.

• Install a black 10mm2 (GP286751) cable between terminals FG004:3 and FG027:3. Crimp a 10mm2-M6preinsulated tubular wire terminal ferrule (GP021613) on both ends of the cable.

• Install a black 10mm2 (GP286751) cable between terminals FG004:5 and FG027:5. Crimp a 10mm2-M6preinsulated tubular wire terminal ferrule (GP021613) on both ends of the cable.

• Apply a tightening torque of 6 Nm to the screws on the switch FG004 and of 6 Nm to the screws on thecircuit breaker FG027. Mark that torque has been applied with a permanent marker, removing any previousmark.

• Install a 10mm2 gray cable (GP286756) between terminals FG027:2 and X14D:1. Crimp one end of the wireto fit into FG027A with a 10mm2-M6 (GP021613) preinsulated tubular wire terminal ferrule, and the other

with a 10mm2

preinsulated tubular wire terminal ferrule (GP073850).• Install a brown 10mm2 cable (GP286758) between terminals FG027:4 and X14D:2. Crimp one end of the

wire to fit into FG027A with a 10mm2-M6 (GP021613) preinsulated tubular wire terminal ferrule, and theother with a 10mm2 preinsulated tubular wire terminal ferrule (GP073850).

https://pdm.eolica.gamesa.es/Windchill/servlet/TypeBasedIncludeServlet?oid=OR%3Awt.part.WTPart%3A949050140&u8=1












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• Install a black 10mm2 (GP286751) between terminals FG027:6 and X14D:3. Crimp one end of the wire to fitinto FG027A with a 10mm2-M6 (GP021613) preinsulated tubular wire terminal ferrule, and the other with a10mm2 preinsulated tubular wire terminal ferrule (GP073850).

• Apply a tightening torque of 6 Nm to the screws on the circuit breaker FG027 and label the torque with a

permanent marker.• Cover the terminals of the circuit breaker FG027 with high terminal covers ABB T-Max T2 3P HTC(GP004908).

• Install a yellow/green 10mm2 cable (GP286760) between terminal X14D:PE and the grounding bar insidethe cabinet compartment. Crimp one end of the wire to fit into the terminal strip with a 10mm2 preinsulatedend terminal ferrule (GP073850) and the other with a 10mm2-M6 tubular terminal ferrule(GP021613).

This is the final task scheduled for day 3.

Disconnect the power generator set and close the safeguards that had been opened previously (when connectingthe power generator set).

Reconnect the medium voltage switchgear (see G8X-G9X-17-00-00-00-0-31P-0-F) to energize the wind turbine anduse the elevator.





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12. MOUNTING THE LTK CABINET (day 4)

The LTK cabinet (GP087353) will be mounted hanging from the front part of the left rail beam, between the first 2roof rafters, starting from the front.


Take special precautions not to put any body parts between elements handled duringdismounting and positioning.

Keep the cabinet fastened during the assembly using auxiliary means.

Wear Protective gloves against mechanical injuries and protective goggles against mechanicalinjuries.

For placing the cabinet, hoist must be undertaken with the hoist, and its movement must beundertaken using the Tractels. First check that the hoisting and movement tools are in goodcondition and have been fitted correctly.

Hoist the LTK cabinet to the nacelle. To do so:

• The cabinet has 2 eyebolts; fit a 7/16" 1500kg WLL shackle onto each one.

• Attach a 1m WLL 1000 kg sling to each shackle.

• Hook the free end of the slings onto the hoist.

• Hoist the LTK cabinet with the hoist and place it next to the gearbox.

• If the cabinet is received with external fans, buttons or other external accessories mounted, it is

recommended to dismount these to prevent damage while lifting.Mount tool GP035677 onto the front left corner of the bridge crane.

The tool comprises two parts that are coupled together with 4 M12 screws. Mount it so that the ring faces upwardin the highest position possible.

LEFT RAILBEAM

1st RAFTER

LTKCABINET

2nd RAFTER

TOOLGP035677

RING

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Pull out the chain from the hoist basket and position the basket horizontally so that the bridge crane can pass overthe gearbox.

Hang a small hoist (GP088532) from the ring on tool GP035677.

Run a 1m 1000kg WLL sling through each eyebolt on the LTK (without shackles) and attach them to the smallhoist.

Lift the LTK as high as possible (weight<100 kg) with the small hoist and leave it locked in this position.

Attach a sling around the LTK; the attachment point must be at the lower part of the LTK.

Mount a tractel (no.1 in the drawing) onto the generator eyebolt and fasten the bridge crane beam with the otherend; this tractel will be the restraint device for the bridge crane.

Fasten a sling around the first nacelle roof rafter and hang another Tractel from it (no. 2 in the drawing).

Attach tractel no.2 to the sling that has been tied around the LTK (lower fastening point).Tense tractel no.1 to keep the bridge crane from moving forward.

Tense tractel no.2 to position the LTK as horizontal as possible.

Release the cable/chain from tractel no.1 a few centimeters to move the bridge crane forward. This lowers the LTKa few centimeters. Recover LTK height by tensing tractel no.2 again.

Repeat these steps until the LTK is in front of the gearbox, then slowly release tractel no.2 so that the LTK hangsfrom the small hoist.

SLINGSLING

HOIST GP088532

TIED SLING, WITHFASTENING POINTS ATLOWER AREA

TRACTELNo. 1

TRACTELNo. 2

LTK

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Dismount tractel no.2.

Adjust the small hoist so that the LTK touches the lower edge of the rail beam; the door must face the center ofthe nacelle. While it is suspended, move the LTK cabinet by hand to fit the outer tabs into the beam edge.

Once the cabinet is secured by its two outer tabs, mount the inner tabs and fasten them with their correspondingscrews (the screws are pre-mounted by the supplier). Apply a tightening torque of 85 Nm.

Lastly, fit the brake screws with their corresponding lock nuts (shipped premounted from the supplier) onto theinner tabs. Apply a tightening torque of 11 Nm to the brake screws.

TRACTELNo. 1

TRACTELNo. 2

LTK

BRAKESCREW

FASTENINGSCREW

INNER TAB

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13. ROUTING CABLES (day 4)

In this step, the air heaters mounted in step 10 are connected to the LTK cabinet mounted in step 12; in step 15 itis explained how to connect the LTK cabinet to the Top cabinet so it receives voltage (in this step it isdisconnected).


When performing any operation on tower platforms, ensure that the ladder access hatchway isclosed. NEVER work standing on top of it and, when in close proximity to it, remain attached toa fixed, resistant point (rungs with threaded rod or ladder supports).

If the work area is not accessible from the ground, use a ladder or work platform. It isforbidden to climb onto elements or components of the machine that have not been designedfor this purpose.

Before using the work platforms or ladders, verify that the rungs, etc. are in good condition.

Place the ladder or stool in a stable position.

RISK OF BECOMING TRAPPED BETWEEN OBJECTS

Verify that an emergency push button is pressed to avoid yaw rotation.

There are various groups of cables to route between the following elements:

• LTK cabinet cables to TOP

• LTK cabinet cables to air heaters

• LTK cabinet cables to transformer gate

• LTK cabinet cables to rotary joint

The group of cables between the LTK cabinet and the TOP cabinet are:• GP088191 - CABLE WSBT407 G8X LT

• GP088188 - CABLE WSBT401 G8X LT

• GP088189 - CABLE WSBT406 G8X LT

• GP090512 - CABLE WABT400 G8X LT

The cables to run between the LTK cabinet and the air heaters are:

• GP088201 - CABLE WABT405B G8X LT

• GP088200 - CABLE WABT405A G8X LT



• GP088203 - CABLE WABT404A G8X LT• GP088205 - CABLE WABT404B G8X LT







The cables to run between the LTK cabinet and the transformer gate are:

• GP090510 - CABLE WABT410 G8X LT• GP090511 - CABLE WSBT410 G8X LT

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The cable between the LTK cabinet and the rotary joint is:

• GP088938 - CABLE WABT411 G8X LT

Route the cables starting from the LTK cabinet to the other elements. The cables exit through the back and run up

to the rail beam, where they split into different directions, depending on the case.Group the cables together as indicated below, forming 4 bundles held together with spiral wrap.

Use the following numbering system when guiding bundles along the rail beam and rafters:

Bring the red bundle along the rail beam conduit to rafter 3 and then down the rafter conduit to the rear frame.

BLUE

BUNDLE

WABT404A

WABT404B

WABT405A

RED BUNDLE

WABT410

WSBT410

WABT400

WSBT401

WSBT406

WSBT407

YELLOW BUNDLE

WABT406A

WABT406B

GREEN BUNDLE

WABT401A and WABT401B



WABT411

RAFTER 1 RAFTER 2

RAFTER 3RAFTER 4

FRONT PART REAR PART

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Separate cables WABT410 and WSBT410 from the bundle and route them along the left side of the rear frame tothe transformer grille gate.

Insert the rest of the red bundle into the corrugated tube going into the Top cabinet.

NOTE: if it is not possible to route through the indicated conduits, it may be routed through the beams, fasteningwith cable ties.

Bring the green bundle that comes from the rail beam along rafter 2 and crosses the front frame to the right sideof the nacelle. Run the bundle through the trays mounted on the rafter column and down the frame.

Separate cable WABT411 from the bundle and route it through the conduit on the right side toward the back.When the rotary joint is reached, route it along the same route as mesh cable WA78 to the rotary joint.

Guide the rest of the cables of the green bundle through the conduit on the right side, inserting them into theframe when reaching the frame hole to route them to the air heaters.

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The yellow bundle is routed along the rail beam until reaching rafter 3. From here it runs up the rafter supportand is routed to the air heater installed on the nacelle roof.

Route the blue bundle along the rail beam to rafter 1. From here, route it down the conduit on the column of

rafter 1 until reaching the height of the air heaters installed on the front panel.Separate cables WA404A and WA404B from the bundle and bring them to the air heater on the left side.

The other 2 cables cross transversally to the right side along the front beam under the front frame. Fasten thecable to the profiles and the 6 mm holes on the fiber using flanges.


Fiberglass is an irritant.

Do not allow contact with eyes and skin. Do not breathe in fibers.Snug-fitting protective gloves against mechanical injuries and overalls against solidparticles.



WABT405A

WABT405B

WABT404A

WABT404B

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14. REPLACING THE ELECTRICAL ROTARY JOINT (day 4)

Dismount the standard rotary joint (GP000332) as instructed in sections 3.1 and 3.2 of document G8X-G9X-04-04-18-00-0-34R-0-F (Replacing the electrical rotary joint).

See risk assessment ART-MTO-G8X-04-04-18-00-0-34R- 0-F in document G8X-G9X-04-04-18-00-0-34R-0-F.

Replace cable WA79 with WABT79 (GP020967). To do so, enter the rotor and disconnect all the wires fromcable WA79 in the rotor electrical cabinet. Remove all its fastening elements to prepare it for extraction toward thenacelle.


To enter the rotor, follow the instructions of document in document G8X-G9X-33-00-00-00-0-310-0-F “Rotor. Access to the interior of the rotor".

When entering the rotor, ensure that there are no cracks in the welded structure of the cone

support and that the cone fiber panels are in perfect condition.


Before entering the rotor, ground the blades as per document G8X-G9X-03-00-00-00-0-31P-1-F “Blade system. Grounding."

Attach a cable guide or fishing line to the end of cable WA79 inside the rotor.

When extracting the cable, have one worker pull from it from the gearbox while another worker inside the hubfacilitates the entry of the cable and the guide through the shaft.

When then end of the guide or fishing line comes out on the gearbox side, remove cable WA79 and tie cableWABT79.

Insert the new cable WABT79 from the gearbox side. Have one worker insert and push the cable from the nacelleside while the worker in the hub pulls gently on the guide until the cable comes out of the end of the shaft in thehub. To prevent the guide from breaking/detaching, NEVER PULL FORCEFULLY on it.

Continue pulling the cable until there is sufficient length on the hub side to connect it inside the hub cabinet. Theelectrical connections are explained later.

Mount the low temperature rotary joint (GP002191) as instructed in sections 3.3 and 3.4 of document G8X-G9X-04-04-18-00-0-34R-0-F (Replacing the electrical rotary joint).

Before mounting the guards, make the connections indicated below in this document.

REMOVE CABLE WA79

KEEP CABLE WA78

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15. CONNECTING CABLES (day 4)

Disconnect the medium voltage switchgear (see G8X-G9X-17-00-00-00-0-31P-0-F) to make these electricalconnections in the Top cabinet.

RISK OF EXPOSURE TO POWER SOURCES OR ELECTRICAL CONTACTS All operations involving electrical hazards must be performed by personnel authorized by theircompany to do so, based on the legislation currently in force, with prior permission, andequipped with the corresponding personal protective equipment.


Follow the instructions in document G8X-G9X-19-00-00-00-0-31P-0-F on Disconnection, Lockoutand Tag out of Electrical Safeguards and the 5 Golden Rules for working with electrical hazards.

Before handling any electrical component, use a voltage detector to check that there is novoltage.

Wear insulating gloves against electrical injuries for a voltage of 690 Vac and an amber face

shield when checking for the absence of voltage.Before working inside the Top cabinet, wait 10 minutes for the UPS to discharge.

Power supply cable WABT400 690 V to LTK

• DFM V3.0 and V3.1 (diagrams GD007690-GD045114):

• DFM V3.2 and V3.3 (diagram GD049379) and DTC V02.0 (diagram GD005042):

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Power supply cable WABT401A 690 V and WABT401B control power supply 230 V of air heater 1

The LTK cabinet is identical for all G8X versions. Therefore, there are no differences between diagrams GD007690-GD045114 for V3.0-V3.1 and GD049379 for V3.2-V3.3 and GD005042 for DTC V02.0 in this point.



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Check that the 6 starter motors FG401, FG402, FG403, FG404, FG405 and FG406 installed in the LTK cabinet tosafeguard the air heaters are set to 4.5 A.

Power supply cable WABT410 230 V and WSBT410 24 Vdc control power supply for the gate actuator.

The LTK cabinet is identical for all G8X versions. Therefore, there are no differences between diagrams GD007690-

GD045114 for V3.0-V3.1 and GD049379 for V3.2-V3.3 and GD005042 for DTC V02.0 in this point.

This LV adaptation only includes the installation of the transformer gate. Prevent confirmation alarms by modifyingthe following in the LTK cabinet (see drawing for terminal strip X5 above)

• Keep the jumpers made in terminal strip X5

• Make a jumper between terminals X5:5 and 6.

• Make a jumper between terminals X5:7 and 8.• Make a jumper between terminals X5:9 and 10.

• Make a jumper between terminals X5:11 and 12.

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Control power supply cable WABT407 24 Vdc for gate actuator confirmation


• DFM V3.2 and V3.3 (diagram GD049379):

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• DTC V02.0 (diagram GD005042):

Control power supply cable WSBT401 24 Vdc for the actuator activation


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• DTC V02.0 (diagram GD005042):

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Control power supply cable WSBT406 24 Vdc for LTK confirmations.



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Power supply cable WABT79 230 V rotary joint power supply (A7 box)-Hub


NOTE: if there is no standard DB9, open connection box DB9 and connect the red cable to terminal L and the blueto terminal H. See the following photo.

HUB

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16. UPDATING SOFTWARE AND CHECKS

The software update described below is only valid for wind turbines with versions R12B23 and R11B38 (DFM V3.0- V3.1) and 11D38_SP5 or 12D23_SP2 (DTC V02.0 and DFM V3.2-V3.3). Proceed as follows to carry out this update:

• Check and take note of all parameters modified in the machines since the last software update.

• Through the SW Toolkit using the “Parameter configurator," create a new loading XML from the templatecorresponding to the software version currently installed in the machine. Configure the machine in the sameway as the last software update, except that this time configure "LTK version 2" in the field "Temperature KitType."

• Load the new configuration in the PLC, sending the load file created with the SW Toolkit "Parameter Loader"tool.

• After loading the parameters, the PLC should be reset by cutting off its power supply, waiting a few minutes,and then reconnecting the power supply.

• Wait until the PLC has started up normally and entered RUN mode.

• Modify parameters:

o The parameters noted during the first step in this process.o The new parameters related with the adjustments for running with the LTK. According to the following

table.

Ingeteam PLC (DFM V3.0‐V3.1)

LTK parameter Code 1 Code 2 Original value (with LTK2) New value Comments

Text.min 3066 30 -30 -25

Tnac.min 2069 29 -20 -20 It should be set to -20

PU2 9431 55 1500 3000

PC2 9425 57 1000 2300

Phoenix PLC (DTC V02.0, DFM V3.2‐V3.3)

LTK parameter Code 1 Original value (with LTK2) New value Comments

Text.min 1278 -30 -25

Tnac.min 1292 -20 -20 It should be set to -20

PU2 1907 -15 -30

PC2 1909 -10 -23

Perform a check of the installed elements according to the following guidelines for each one:

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Setting of the protections

Check the calibration of the manual starter motors, see table below:

TOP CABINETCooling

Circuit breaker Model Setting

FG027 T2L160 32 A

Motor

protection

Auxiliary Cabinet Low

Temperature Kit

FM400 WT63 Fixed

FG401 MS325 4- 6.3A 4.5 A

FG402 MS325 4- 6.3A 4.5 A

FG403 MS325 4- 6.3A 4.5 A

FG404 MS325 4- 6.3A 4.5 AFG405 MS325 4- 6.3A 4.5 A

FG406 MS325 4- 6.3A 4.5 A

FG407 MS325 2.5 -4A 3A

FG408 MS325 0.63-1A 1A

Check the thermostat and timer calibration:

• BT401: Set to 5ºC.

• BT402: Set to 20ºC.

• BT404: Set to 7ºC.• KR405 and KR406: Set to 10 s

Set the circuit breakers to ON in the following order:

• LTK Cabinet Circuit breakers FD401, FG401, FG402, FG403, FG404, FG405, FG406, FG407, FG408, FM400,FM404, FM405, FM406, FM407 and FI400. Close the cabinet.

• HUB Cabinet FG023 or FG249 (depending on converter version DFM-DTC), close the cabinet.

• TOP Cabinet FG027, close the cabinet.

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Air heater test

Conduct testing at a temperature over 7 °C. Otherwise, lower the setting of thermostat BT404 to below ambienttemperature.

Check that the air heaters are in the hot air position.

From the screen Test Menu/Temperature Kit/Low Temperature Kit, press Run_1. Visually check that contactorKM401 and relay KR405 in the LTK cabinet have been activated. The latter should change its status within 10seconds (changing from green to orange). Visually check the activation of air heaters 1, 2 and 3. Stop the test.

Press button Run_2 and visually confirm activation of contactors KM401 and KM402, and relays KR405 and KR406.The latter two are timer relays that should change status within 10 seconds (changing from green to orange).

Visually confirm the activation of air heaters 1, 2, 3, 4, 5 and 6. Stop the test.

Cut off the power supply to the PLC by setting circuit breaker FM001 to OFF in the TOP cabinet.

In the LTK cabinet, visually confirm the deactivation of relay KR404 and adjust thermostat BT404, raising thesetting to above ambient temperature. Visually confirm activation of contactors KM401 and KM402, and the 6 airheaters after a few seconds.

Reset the thermostat to 7° C.

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Gate operation

The gate must be closed whenever the temperature in the nacelle is less than -5 °C.

The actuator must be calibrated at a temperature over -5 °C as follows:

• Turn the circuit braker FM406 in the LTK cabinet ON to supply the actuator with 220V. Adjust the Belimo

NM230 actuator as per the instructions in document GD068250.• At the top of the Test Menu/Temperature Kit/Low Temperature Kit screen, two statuses are displayed:

REQUEST (state requested) and STATE (current state).

• Press OPEN. Check on the screen that the gate STATUS Opening. Visually confirm that the gate opensfully.

• Press CLOSE. Check on the screen that the gate STATUS Closing. Visually confirm that the gate closesfully.

Having concluded the checks, remove the jumper between X2:11 and 12.

Thermal blanket operation

RISK OF BURNS

Energizing the LTK cabinet will consequently activate the thermal blankets of the accumulators. The thermalblankets are equipped with a self-regulating thermostat and are not controlled from any cabinet.

To check that they are working, with the LTK cabinet energized, bring your hands near each blanket and checkthat they are indeed hot, and if they are not, check voltage 220 V between terminals X4:9 and 10; X4:10 and 13;and X4:9 and 13 in the hub cabinet, or at the output of FG023/FG249.

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17. FINISHING THE WORK

The operations manager must check that all personnel have left the work area and that all equipment/tools usedand waste generated have been removed so that the machine is now ready for start-up.

The following steps must be taken to complete the operation:

• Unlock the rotor as per G8X-G9X-09-02-00-00-0-31P-0-F.

• Leave the area clean and collect waste material correctly separated by waste type in adequate containers.

• Ensure that no emergency push-button remains interlocked.

• Bring the tools, machinery, replaced elements and generated waste down from the nacelle (G8X-G9X-31-00-00-00-0-310-2-F)

• Remove the cordon (see GXX-000-31-00-00-04-0-310-0-F).

• Enable remote control communication (G8X-G9X-31-00-00-00-0-310-6-F).

• Start up the wind turbine from the ground electrical cabinet as per (G8X-G9X-31-00-00-00-0-230-2-F).

• Collect the warning and safety signs (see GXX-000-31-00-00-04-0-310-0-F).

• Deposit any waste generated during this operation into the corresponding containers located at the windfarm's substation.

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Annex 1: Wiring FG027A in the cabinet (DFM V3.0 and V3.1)

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Annex 2: Wiring FG027A in the cabinet (DFM V3.2 and V3.3)

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Annex 3: FG027 wiring in the cabinet DTC V02.0

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PART 3 - MATERIALS

NECESSARY MATERIAL

Installing FG027

DFM V3.X

159663 RIVET O.END D.4.8X14.8 DIN 7337A 4

GP001469 WAS.ISO 7093-1-5-200 HV-DAC500B 4

8087PF01 DIN RAIL (35X7.5 AL 8087PF01) 1

GP091232 BREAKER T4H250 FF TMD 50 3P 35A ABB 1

GP018314 TERMINAL BLOCK WDU 16 3

GP018315 TERMINAL BLOCK WPE 16 1

GP041688 16mm2-M8 preinsulated tubular wire terminal ferrule 10

GP003868 16 Mm2 terminal ferrule 4

GP222017 Low terminal caps for BREAKER T4H250. Ref ABB 1SDA054966R1 1 kit (2 pieces)

GP004859 ZB5 label 4

GP075888 20x8mm blank sticker 1

DTC V02.0

GP007643 T2L 160FF III 32A 1

GP004908 3 POLE HIGH TERMINALS COVER ABB 1 kit (2 pieces)

GP013196 TERMINAL BLOCK WDU10 WEIDMULLER 3

GP013197 EARTH TERMINAL BLOCK WPE10 WEIDMULLER 1GP021613 PRE-INSULATED RING TERMINAL, 10MM2-M6 10

GP073850 TERMINAL 10MM2 4

GP004859 ZB5 label 4

GP075888 20x8mm blank sticker 1

GP139752DIN RAIL 35X7.5X150mm

*ONLY IF THERE IS NOT A DIN RAIL FOR TERMINAL STRIP X14D1*

159663RIVET O.END D.4.8X14.8 DIN 7337A

*ONLY IF THERE IS NOT A DIN RAIL FOR TERMINAL STRIP X14D2*

LTK + TOP-LTK cables

GP088191 CABLE WSBT407 G8X LT 1


GP087353 G8X LTK CABINET V3 1


GP090512 CABLE WABT400 G8X LT 1

GP100917 60x60x3000 Rejiband 2

P393248 30x30 holder for cable flange 50

P390351 290x4.8mm black flange for cables 50

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Rotary joint with cables

GP020967 CABLE WABT79 G8X DTC BT 1

GP088938 CABLE WABT411 G8X LT 1

GP096823 ELECTRIC ROTATING JOINT G80 LTK 1Thermal blankets

GP044520 HEATING RUG FOR ACCUMULATOR 4

508886.3A-9A MS325 MOTOR PROT.CIRCUIT BREAKER

*ONLY IF A NEW STARTER MOTOR NEEDS TO BE MOUNTEDFG023/FG249

1*

GP004858ST2.5 TERMINAL BLOCK WITH SPRING CAGE


12*

GP004859

ZB5 Zack strip, unprinted


2*

8415PF01DIN rail (35X7.5 AL 8415PF01)


1*

159663RIVET O.END D.4.8X14.8 DIN 7337A


4*

GP001469WAS.ISO 7093-1-5-200 HV-DAC500B

*ONLY IF A NEW STARTER MOTOR NEEDS TO BE MOUNTED

FG023/FG249

4*

P393070 Gray PG13 PVC compression gland 4

P393071 Gray PVC PG13 press nut 4

GP113828 White Unex Label 1851-M 4

LT transformer grating

P630676 SCR.ISO 4017-M10x30-8.8-DAC500B 10

GP001471 WAS.ISO 7089-10-200 HV-DAC500B 20

GP003400 NUT ISO 10511-M10-04-DICHR. 10

GP286749 FA TRAFO BOTTOM SECTION WITH AIR DAMPER 1

GP090510 Cable WABT410 G8X LT 1

GP090511 Cable WSBT410 G8X LT 1

Transformer skirt

GP008190 WAS.ISO 7093-1-10-200HV DAC500B 9

GP043069 SCR.ISO 4017 M10X25-8.8-DAC500B 9

GP001075 LOWER PLATE FOR TRANSFORMER ISOLATION 1

Mounting the 6 air heaters

GP055944 SEALING SAFETY WASHER M8 FOR HEX. NUT 8

GP000993 Air heater SyP EC-5N 5kW G80 DFM-RCC LT 6

P630275 SCR.ISO 4017-M8x40-8.8-DAC500B 8

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GP002319 NUT ISO 10511-M8-8-ZnNiPas 14

GP088201 CABLE WABT405B G8X LT 1

GP088200 CABLE WABT405A G8X LT 1

P630679 SCR.ISO 4017-M8x30-8.8-DAC500B 6GP088225 CABLE WABT403B G8X LT 1

P650248 WAS.ISO 7089-8-200HV-DAC500B 28

GP001480 NUT ISO 10511-M12-Zn-Ni-PAS,CHR+S 6

GP089263 SUPPORT PLATE FOR YAW HEATERS 3


GP003570 SCR.ISO 4017-M12x25-8.8-DAC500B 6

GP001520 WAS.ISO 7089-12-200 HV-DAC500B 12







GP000859 AIR HEATER ROOF SUPPORT (G80-G80RCC) 1



Cable routing trays

GP001469 WAS.ISO 7093-1-5-200 HV-DAC500B 12

GP055450 HYDRAULIC CABLE TRAY 50X50X900 4

159663 RIVET O.END D.4.8X14.8 DIN 7337A 12

Inside the TOP cabinet

DFM V3.X

GP222480 CABLE 1X16 MM2 BROWN V3 and V3.1: 3 m

V3.2 and V3.3: 5m

GP222502 CABLE 1X16MM2 GRAY V3 and V3.1: 3 m V3.2 and V3.3: 2m

GP222503 CABLE 1X16MM2 YELLOW-GREEN V3 and V3.1: 3 m

V3.2 and V3.3: 2m

GP222501 CABLE 1X16 MM2 BLACK V3 and V3.1: 3 m

V3.2 and V3.3: 2m

DTC V02.0

GP286751 CABLE 1X10MM2 BLACK 6m

GP286756 CABLE 1X10MM2 GRAY 1 m

GP286758 CABLE 1X10MM2 BROWN 1 m

GP286760 CABLE 1X10MM2 YELLOW-GREEN 2m

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Others

P390350 Cable Tie 160x2.5 mm black (fastening cables in the nacelle) 50

P390352 Cable Tie 290x7.6 mm black (fastening cables in the nacelle) 100

GP001017 Cable Tie 530x9 mm black (fastening cables in the nacelle) 40GP000413 HELICAL TAPE 15,0 CH 9006.1-wide (fastening cables in the nacelle) 40 m

094582 TAPE 50-50, GRAY (fastening cables in the nacelle) 1

GP000412 Spiral wrap 9.0 CH 9004.1-thin (fastening cables in the nacelle) 15 m

P390056 TERMINAL 1.5 mm2 20

GP043132 CABLE H07V-K 1X1.5MM2 RED

V3 and V3.1: 6m

V3.2 and V3.3: 12m

DTC V02.0: 12 m

Note:

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PART 4 - TOOLS AND KITS

NECESSARY TOOLS AND EQUIPMENT

GP061695 KIT OF STANDARD TOOLS FOR SITE 1

GP035677 CYL. TRANSFER WITH CRANE STRUCT. 1

GP055256 TRACTEL 2.5 M 500 KG 2

GP088532 Hoist/small manual tractel 1

GP006199 Shackles ½”/ WLL 500 kg 5

GP013677 Eyebolt (DIN580-M12) 1

GP003573 Nut (ISO4032-M12-8) 1

GP002606 Washer (ISO7089-12) 1

GP221436 Transformer grille hoisting tool 1M4 screw taps 1

M5 screw taps 1

Rotaflex 1

Silicone gun 1

Riveter 1

Drill bit set (3mm, 4mm, 5mm, 9mm, 10mm and 12mm) 1

Electric drill and battery-powered drill 1

Retention ropes (100 m) 2

Crimping tools (for fitting terminal ferrules) 1

Slings (1 m - WLL: 1000 kg) 6

Portable three-phase generator (3x690 V + 220 V) 1

Torque wrench for tightening torques of 5-25 Nm 1

Bags for hoisting materials and tools 1

Head lamp 1

Note:

The present document, its content, its appendices and/or amendments (the “Document”) hasbeen drawn up by GAMESA CORPORACIÓN TECNOLÓGICA, S.A. ("Gamesa") for informationpurposes only, and contains private and confidential information regarding Gamesa and itssubsidiaries (the "Company"), directed exclusively to its addressee. Therefore it must not bedisclosed published or distributed partially or totally without the prior written consent of

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