turbo docs p-01267_repair mhi st rotor unit 5-1

8/17/2019 Turbo Docs P-01267_Repair MHI ST Rotor Unit 5-1

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PT. Sulzer Turbo Services Indonesia

PRO-01FR-36Rev.00 This material is the exclusive property of PT. Sulzer Turbo Services Indonesia.

TABLE OF CONTENTS:

SCOPE OF WORKS

AS RECEIVED INSPECTION REPORT

LP ROTOR – INCOMING VISUAL INSPECTION REPORT

LP ROTOR – RUN OUT INSPECTION REPORT

LP ROTOR – BEARING JOURNAL INSPECTION REPORT

LP ROTOR – GLAND SEAL DIAMETER INSPECTION REPORT

LP ROTOR – HARDNESS INSPECTION REPORT

LP ROTOR – SURFACE ROUGHNESS INSPECTION REPORT

LP ROTOR – MAGNETIC PARTICLE TESTING REPORT

FINAL INSPECTION REPORT

LP ROTOR – BEARING JOURNAL INSPECTION REPORT

LP ROTOR – HARDNESS INSPECTION REPORT

LP ROTOR – SURFACE ROUGHNESS INSPECTION REPORT

LP ROTOR – RUN OUT INSPECTION REPORT

LP ROTOR – PROBE AREAS ELECTRICAL RUN OUT INSPECTION REPORT

LP ROTOR – BALANCE REPORT TWO PLANES

LP ROTOR – RESIDUAL UNBALANCE INSPECTION REPORT

LP ROTOR – MAGNETIC PARTICLE TESTING REPORT

LP ROTOR – DEMAGNETIZATION REPORT

PHOTOGRAPHS


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PRO-01FR-100 Rev.01 This material is the exclusive property of PT. Sulzer Turbo Services Indonesia

SCOPE OF WORKS:

1. RECEIVE & INVENTORY.

2. PERFORM INCOMING INSPECTION.

3. CLEANING BY BLASTING THE ROTOR.

4. PERFORM INCOMING NDT INSPECTION.

5. WELD REPAIR BOTH JOURNAL ROTOR (GEN. SIDE & GOV. SIDE)

6. STRAIGHTENING LP ROTOR.

7. FINAL INSPECTION & NDT.

8. PERFORM LOW SPEED BALANCING ROTOR AS PER STANDAR SPECIFICATION.

9. FINAL QC INSPECTION INCLUDE DEMAGNETIZATION10. PRESERVE & PACKAGING ROTOR.

11. SHIPMENT.

12. PROVIDE REPORT.


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PRO-01FR-44 REV.04

AS RECEIVEDINSPECTION REPORT

CUSTOMER : PJB – UP MUARA KARANGMFG./MODEL : MITSUBISHI / 200 MWEQUIP./NO. : LP ROTOR / UNIT #5

P.O. NO. : LOI NO. 160.LOI/612/UPHB/2014TSID PROJECT : P-01267

Rotating Equipment Services

Purwakarta Service Center



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PRODUCTION Form PT. Sulzer Turbo Services Indonesia

INCOMINGVISUAL INSPECTION REPORT

MFG/MODEL : MITSUBISHI / 200 MW

S/N & EQUIP. NO. : TBA / UNIT #5

CUSTOMER : PJB – UP MUARA KARANG

TSID PROJECT : P-01267

REPORT NO. : BI-AR-01

INSPECTED BY: UMR DATE : MAY 21, 2014INSTRUCTIONS:

1. PHOTOGRAPH COMPONENT CONDITION AS RECEIVED. TAKE INDIVIDUAL PHOTOGRAPHS OF ANY AREA WHICH EXHIBITSABNORMAL WEAR OR DAMAGE.

2. RECORD ALL F.O.D., EROSION, HANDLING DAMAGE, RUST BUILD UP OR ANY OTHER OBVIOUS DEFECTS.3. VISUALLY INSPECT AND RECORD GENERAL CONDITION.4. MARK EACH COMPONENT WITH THE JOB NUMBER USING METAL TAGS OR AN APPROVED MARKED.5. TAKE SAMPLES OF ANY DEPOSITS.

This material is the exclusive property of PT. Sulzer Turbo Services IndonesiaPRO-01FR-33 Rev.04 Page 1 of 1

As received visual inspection the LP ROTOR are as follow :

1. Coupling Gen Side exhibited medium scratches on bolt holes and axial faces, medium nick on flange, lighpitting, light scratch on male spigot

2. Exhibited light to medium scratches, medium pitting, medium rubs on seal area.

3. Bearing Journal Gen Side exhibited heavy rubs & pitting corrosion,deep rubs 0.5 – 0.28. medium rubs &discrbration on oil deflector area, light scratch & medium pitting on probe area.

4. Gland seal Gen Side exhibited medium rubs.

5. - Stage #8 Gov & Gen side exhibited medium erosion on leading edge blades & tie wire, light to mediumpitting on disck, medium scaling.

- Stage #7 Gov & Gen side exhibited light erosion on leading edge blades, medium erosion on tie wire

- Stg #6,5,4,3,2 Gov & Gen side exhibited light pitting on blades, light rubs on shroud , medium pitting ondisk,light rubs on interstage spill strip exhibited , light rubs.

- Stg # 1 Gov & Gen side exhibited medium pitting corrosion on blades, interstage spill strip in fair conditions,balance weight area in fair condition.

6. Gland seal Gove Side exhibited light to medium rubs.

7. Bearing Journal Gov Side exhibited heavy rubs with 0,8 deep, heavy rubs on seal area, light scratches &pitting on probe area.

8. Coupling area Gov Side exhibted medium rubs on seal area , medium nick & dent on flange, , bolt holesexhibited medium rubs, medium nick & dent bolt holes area, light scratches & pitting on axial face, light rubson male spigot.

APPROVED BY: ASP.

74 6

1

32

5

8

GEN SIDEGOV SIDE


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PRODUCTION Form

This material is the exclusive property of PT. Sulzer Turbo Services IndonesiaPRO-01FR-56 Rev.04

LP ROTORRUNOUT INSPECTION REPORT

MFG/MODEL

S/N & EQUIP. NO.

CUSTOMER

TSID PROJECT

REPORT NO.

INSPECTED BY: YD

STATUS: AS RECEIVED FINAL SURFACES: RADIAL AXIAL UNITS: 1

NOTE:

1. ALL PHASE ANGLE RECORDED : CCW AS VIEWED FROM "GOV SIDE".

2. ZERO DEGREE POINTS IS: STAMP N0 "1" ON DISK.

3. ROTOR/SHAFT/PART IS SUPPORTED BY: LATHE MACHINE.

POS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

0º 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

45º -1 -0.5 -0.5 0 0 0 -0.5 -0.5 0 1 1 0 0 -0.5 -1 0 -2 -0.5 0

90º -1 -0.5 -0.5 0 0 0 0.5 0 0.5 1 1.5 -1 1 0.5 -1 0 -3 -2 0

135º -1 -1 -0.5 0 0 0 -0.5 0 1 3 2 -1 1 1.5 -1 0.5 0 -1.5 0

180º -1 -1 0 0 -0.5 -1.5 -0.5 0.5 -0.5 2 2 -1 2 -0.5 -1 0 -0.5 -0.5 0

225 -0.5 -1 0 0 0 -1.5 -0.5 -0.5 0 1.5 2 -2 -2 3.5 -2 -1 -1 -1.5 0

270º -1 -0.5 0 0 -0.5 -1.5 -0.5 -0.5 0 1 1 -2 -4 4 -1 0 0.5 2 0

315º -1 -0.5 0 0 0 -1.5 0 -0.5 0 1 1 -2 -1 3.5 -1 0 0.5 1.5 0

TOTAL 1 1 0.5 0 0.5 -1.5 0.5 0.5 1.5 3 2 2 5 4.5 2 1.5 3.5 3.5 0


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PRODUCTION Form


LP ROTORBEARING JOURNAL DIAMETER INSPECTION REPORT

MFG/MODEL

S/N & EQUIP. NO.

CUSTOMER

TSID PROJECT

REPORT NO.

INSPECTED BY: EKA

STATUS: AS RECEIVED FINAL SURFACES: INSIDE DIAMETER OUTSIDE DIAMETER U

NOTE:

1. ALL PHASE ANGLE RECORDED : 0 / 90º

2. ZERO DEGREE POINTS IS: STAMP “1” ON DISK

GEN. SIDE

1 2 3 4

POS 1 2 3 4 5 6

0 º Ø379.20 Ø379.08 Ø379.17 Ø379.19 Ø379.19 Ø379.18 Ø3

90º Ø379.19 Ø379.09 Ø379.15 Ø379.19 Ø379.19 Ø379.17 Ø37


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PRODUCTION Form


LP ROTORGLAND SEAL DIAMETER INSPECTION REPORT

MFG/MODEL

S/N & EQUIP. NO.

CUSTOMER

TSID PROJECT

REPORT NO.

INSPECTED BY: EKA


NOTE:



GEN. SIDE

2 3 4 5 6 7

POS 1 2 3 4 5 6 7

0 º Ø418.00 Ø508.03 Ø508.06 Ø508.05 Ø508.12 Ø508.12 Ø508.12 Ø4

90º Ø418.00 Ø508.03 Ø508.05 Ø508.06 Ø508.12 Ø508.12 Ø508.12 Ø4

1 8


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PRODUCTION Form


LP ROTORBEARING JOURNAL HARDNESS INSPECTION REPORT

MFG/MODEL

S/N & EQUIP. NO.

CUSTOMER

TSID PROJECT

REPORT NO.

INSPECTED BY: YN.

STATUS: AS RECEIVED FINAL

NOTE:

1. THE PICKUP DATA SHOULD BE DIFFERENCE MAXIMUM 3 HRC BEFORE CALCULATING AVERAGE VALUE

2. TAKE ON THE SURFACE OF CLOSE RUNNING CLEARANCE

GEN. SIDE

1 2 3 4

NO 1 2 3 4 5 6

HARDNESS 25.9 29.9 27.5 29.1 27.5 28.8


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PRODUCTION Form


LP ROTORSURFACE ROUGHNESS INSPECTION REPORT

MFG/MODEL

S/N & EQUIP. NO.

CUSTOMER

TSID PROJECT

REPORT NO.

INSPECTED BY: EKA.


1 2

NO 1 2 3 4

SURFACE

ROUGHNESS (Ra)0.57 ~ 0.92 0.82 ~ 1.19 0.72 ~1.08 0.80 ~ 1.01

GEN. SIDE


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MAGNETIC PARTICLE TESTINGREPORT





INSPECTED BY : HR REPORT NO. : NDT. 01 / 036M / IV – ‘14MT LEVEL : II DATE : APRIL 12, 2014


QTY PART NO. ITEM DESCRIPTION TEST PERFORMED:

1 UNIT = LP ROTOR AS RECEIVED REPAIRFINAL

RESIDUAL FIELD CHECK GAUSS

DEMAGNETIZATION

PROCEDURE NO. : PRO-01WI-41

TEST AREA : BEARING JOURNAL AREA ( GEN. SIDE & GOV. SIDE ) WITNESS ON TEST/DEFECTIVE AREAS BY:

MAGNETIZER: METHOD: PARTICLE TYPE: RESIDUAL MAGNETISM :

MOBILE UNIT CONTINUOUS ARDROX 8800 GAUSS METER AT SURFACE:HEAD SHOT/CLAMP KEROSENE COUPLING ENDCOIL/CABLE WRAP RESIDUAL (SOLVENT MIX) CENTERCONDUCTOR

MAGNAGLO 14AM HRUST END

PROD MEDIA:

AMP.: AC/DC WET BATH (FLUORESCENT) (SPRAY CAN) DEMAGNETIZED BELOW 2.0 GAUSS

YOKE OTHERSAC DC DRY POWDER (VISIBLE) PARTS WITH DISCONTINUITIES MARKED

PERMANENT SPRAY CAN (FLUORESCENT) RUST PRESERVATION

INSPECTIONS RESULTS:

NO CRACK INDICATION ON ABOVE INSPECTED AREA, EXCEPT HEAVY RUBS. SEE THE ATTACHMENT

I CERTIFY THAT THE ABOVE LISTED ITEMS WERE INSPECTEDIN ACCORDANCE WITH APPLICABLE SULZER TSID STANDARD

HRINSPECTOR SIGNATURE

ENGINEERING/NDT LEVEL III/QC COMMENTS:

APPROVED BY : ES


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INSPECTED BY : HR REPORT NO. : NDT. 01 / 036M / IV – ‘14MT LEVEL : II DATE : APRIL 12, 2014


BEARING JOURNAL ( GOV. Side )

Fig.1 Steam turbine rotor after sand blasting Fig. 2 No crack indication on bearing journal Gov. side

Fig.3 Heavy rubs on bearing journal area Fig. 4 Heavy rubs on bearing journal area

Fig. 5 Typical deep rubs on bearing journal Fig. 6 Typical of den t on oil seal area


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PRODUCTION Form


LP ROTORBEARING JOURNAL DIAMETER INSPECTION REPORT

MFG/MODEL

S/N & EQUIP. NO.

CUSTOMER

TSID PROJECT

REPORT NO.

INSPECTED BY: DNY


NOTE:



GEN. SIDE

1 2 3 4

POS 1 2 3 4 5 6

0 º Ø379.25 Ø379.24 Ø379.25 Ø379.25 Ø379.25 Ø379.24 Ø3

90º Ø379.23 Ø379.23 Ø379.24 Ø379.25 Ø379.24 Ø379.24 Ø37


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PRODUCTION Form


LP ROTORBEARING JOURNAL HARDNESS INSPECTION REPORT

MFG/MODEL

S/N & EQUIP. NO.

CUSTOMER

TSID PROJECT

REPORT NO.

INSPECTED BY: KARNO.


NOTE:

1. TAKE ON THE SURFACE OF CLOSE RUNNING CLEARANCE

GEN. SIDE

1 2 3 4

POSWELDING AREA HAZ AREA BASE METAL AREA HAZ AREA

1 2 3 4 5 6 7

HARDNESS 24.4 ~ 28.5 23.2 ~ 26.5 24.0 ~ 26.9 24.7 ~ 26.4 25.1 ~ 27.0 29.1 ~ 30.1 23.6 ~ 25.8 23.2 ~ 26.5

5 6


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PRODUCTION Form


LP ROTORSURFACE ROUGHNESS INSPECTION REPORT

MFG/MODEL

S/N & EQUIP. NO.

CUSTOMER

TSID PROJECT

REPORT NO.

INSPECTED BY: EKA.


1 2

NO 1 2 3 4

SURFACE

ROUGHNESS (Ra)0.17 ~ 0.20 0.12 ~ 0.19 0.17 ~ 0.18 0.22 ~ 0.23

GEN. SIDE


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PRODUCTION Form



MFG/MODEL

S/N & EQUIP. NO.

CUSTOMER

TSID PROJECT

REPORT NO.

INSPECTED BY: UMR.

STATUS: AS RECEIVED OTHERS/…………. FINAL SURFACES: RADIAL AXIAL UNITS: 1/

NOTE:

1. ALL PHASE ANGLE RECORDED : CCW AS VIEWED FROM GOV. SIDE.

2. ZERO DEGREE POINTS IS: STAMNP “1” ON DISK

3. ROTOR/SHAFT/PART IS SUPPORTED BY: V-BLOCKS

1

2

3 4 56 7 8

9

10 11

A1

A2

C

GEN. SIDE


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PRODUCTION Form



MFG/MODEL

S/N & EQUIP. NO.

CUSTOMER

TSID PROJECT

REPORT NO.

INSPECTED BY: UMR.

STATUS: AS RECEIVED FINAL SURFACES: RADIAL AXIAL UNITS: 1

NOTE:

1. ALL PHASE ANGLE RECORDED : CCW AS VIEWED FROM "GOV SIDE".

2. ZERO DEGREE POINTS IS: STAMP N0 "1" ON DISK.

3. ROTOR/SHAFT/PART IS SUPPORTED BY: V-BLOCKS

POS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

0º 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 045º 0 -05 -0.5 1 0.5 -0.5 0 0 -0.5 0 -1 0 0 0 0 0 0 0 0 90º -0.5 0.5 -1 -1.5 0 -0.5 0 1 -2 -1 0 0.5 0 0 0 0 0 0 0

135º -1 1 -1.5 0 0.5 -0.5 0 0.5 -0.5 0 1 0.5 0 0 0 -0.5 0 0 0 180º -1 1.5 -0.5 0 0.5 -0.5 1 0.5 -1 -2 2 0 0 0 0 -0.5 0 -0.5 0 225 -1.5 1 -0.5 0.5 0.5 -0.5 0.5 0.5 0 -2 1 0 0 0 0 0 0 -0.5 0 270º -1 1 0 0 0.5 -0.5 0 0.5 0 -2 2 0 1 0.5 0 0 -0.5 0 0 315º 0 1 0 0 0.5 0 0 0.5 0 -2 1 0 0 0.5 0 0 -0.5 0 0

TOTAL 1.5 2 1.5 2.5 0.5 0.5 1 1 2 2 3 0.5 1 0.5 0 0.5 0.5 0.5 0


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PRODUCTION Form


LP ROTORPROBE AREAS ELECTRICAL RUNOUT INSPECTION REPORT

MFG/MODEL

S/N & EQUIP. NO.

CUSTOMER

TSID PROJECT

REPORT NO.

INSPECTED BY: SGH

STATUS: AS RECEIVED FINAL SURFACES: RADIAL AXIAL UNITS:

ERO LOCATION : RADIAL GS

RESULT: ELC. R/O = 22 µ m

MAX. ALLOWABLE ELECTRICAL

RUNOT:

RADIAL = 25 µ m

COMMENTS:

- ACCEPTABLE


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PRODUCTION Form


LP ROTORPROBE AREAS ELECTRICAL RUNOUT INSPECTION REPORT

MFG/MODEL

S/N & EQUIP. NO.

CUSTOMER

TSID PROJECT

REPORT NO.

INSPECTED BY: SGH.

STATUS: AS RECEIVED FINAL SURFACES: RADIAL AXIAL UNITS:

ERO LOCATION : RADIAL TS

RESULT: ELC. R/O = 24 µ m

MAX. ALLOWABLE ELECTRICAL

RUNOT:

RADIAL = 25 µ m

COMMENTS:

- ACCEPTABLE


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LP ROTORBALANCE REPORT

(TWO PLANES)





REPORT NO. : BIFNL-06

INSPECTED BY: YD DATE : JUNE 07, 2014 BALANCE PROCEDURE:

FULL ASSEMBLY BAL. CHECK BAL. INDIVIDUAL BAL. PROGRESSIVE BAL.

TYPE OF ROTOR:STEAM TURBINE. COMPRESSOR PUMP. OTHER / GENERATOR

WHEEL/DISK NUMBER: . SHAFT ONLY

TYPE MACHINE USED: H 20 BU H 40 BU H 6 B ABRO

CORR. METHOD: ADDITIONAL REMOVAL PERMANENT TEMPORARY OTHERS

BALANCE SPEED: 200 RPM INITIAL BALANCE MACHINE READING:

1329 GRAMS, AT RADIUS 420 MM, AT 96 DEGREES, ON GEN/S SIDE.

1385 GRAMS, AT RADIUS 420 MM, AT 100 DEGREES, ON GOV/S SIDE.

FINAL BALANCE MACHINE READING:

51 GRAMS, AT RADIUS 420 MM, AT 45 DEGREES, ON GEN/S SIDE.

114 GRAMS, AT RADIUS 420 MM, AT 245 DEGREES, ON GOV/S SIDE.

ALLOWABLE RESIDUAL UNBALANCE TOLERANCE (ACC. TO ANSI/API STANDARD):

177 GRAMS, AT RADIUS 420 MM, ON GEN/S SIDE.

177 GRAMS, AT RADIUS 420 MM, ON GOV/S SIDE.

BALANCE MACHINE SETUP:

a: 830 . mm b: 3120 . mm c: 770 .mm

r1: 420 .mm r2: 420 . mm

“ZERO” DEGREE POINT IS: MARKING “1” HOLE BALANCE WEIGHT

(BALANCING ROTATION = OPERATION ROTATION)

KEY WEIGHTS USE (IN GRAMS): N/A

OTHER REMARKS: FINAL BALANCING ROTOR ASSY

COMMENTS:

ACCEPTABLE

APPROVED BY: ASP.


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PRODUCTION Form


LP ROTORRESIDUAL UNBALANCE INSPECTION REPORT

MFG/MODEL

S/N & EQUIP. NO.

CUSTOMER

TSID PROJECT

REPORT NO.

INSPECTED BY: YD

STATUS: INITIAL FINAL PLANE:1 COUPLING EXCITER

♦ ROTOR/PART DESCRIPTION: STEAM TURBINE ROTOR

♦ MAXIMUM CONTINUOUS SPEED ( N ): 3000 RPM.

♦ JOURNAL STATIC WEIGHT LOAD ( W ): 19250 Kg.

♦ UNBALANCE RADIUS: 420 mm. TRIAL WEIGHT:650 Gr

ALLOWABLE RESIDUAL UNBALANCE TOLERANCE: 74 340 gr-mm.

Note: If not specified, Residual Unbalance Tolerance Allowable is:

6350 W/N (gr-mm.). Acc. To ANSI / API Standard.No. AMP PHASE

1 629 Gr. 5 Degree

2 689 Gr. 97 Degree

3 475 Gr. 183 Degree


5 Gr. Degree

6 Gr. Degree

♦ TRIAL UNBALANCE : 420 x 650 = 273 000 Gr-mm.

♦ Y = MAX. READING - MIN. READING = 109 2

♦ X =MAX. READING + MIN. READING

= 659 2

RESIDUAL UNBALANCE :

273000 x 109 = 45 155 gr-mm. (PASS)

659

200


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PRODUCTION Form


LP ROTORRESIDUAL UNBALANCE INSPECTION REPORT

MFG/MODEL

S/N & EQUIP. NO.

CUSTOMER

TSID PROJECT

REPORT NO.

INSPECTED BY: YD

STATUS: INITIAL FINAL PLANE:2 COUPLING EXCITER

♦ ROTOR/PART DESCRIPTION: STEAM TURBINE ROTOR

♦ MAXIMUM CONTINUOUS SPEED ( N ): 3000 RPM.

♦ JOURNAL STATIC WEIGHT LOAD ( W ): 19250 Kg.

♦ UNBALANCE RADIUS: 420 mm. TRIAL WEIGHT: 650 Gr

ALLOWABLE RESIDUAL UNBALANCE TOLERANCE: 74 340 gr-mm.

Note: If not specified, Residual Unbalance Tolerance Allowable is:

6350 W/N (gr-mm.). Acc. To ANSI / API Standard.No. AMP PHASE

1 655 Gr. 7 Degree

2 695 Gr. 93 Degree



5 Gr. Degree

6 Gr. Degree

♦ TRIAL UNBALANCE : 420 x 650 = 273 000 Gr-mm.

♦ Y = MAX. READING - MIN. READING = 45 2

♦ X =MAX. READING + MIN. READING

= 650 2

RESIDUAL UNBALANCE :

273000 x 45 = 18900 gr-mm. (PASS)

650

200


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INSPECTED BY : CH/ MN/ AM REPORT NO. : NDT. 01 / 015M / VI – ‘14MT LEVEL : II DATE : JUNE 03, 2014



1 UNIT = LP ROTOR AS RECEIVED REPAIRFINAL

RESIDUAL FIELD CHECK GAUSS

DEMAGNETIZATION

PROCEDURE NO. : PRO-01WI-41

TEST AREA : BEARING JOURNAL AREA ( GOV SIDE – GEN SIDE ) WITNESS ON TEST/DEFECTIVE AREAS BY:

MAGNETIZER: METHOD: PARTICLE TYPE: RESIDUAL MAGNETISM :

MOBILE UNIT CONTINUOUS ARDROX 8800 GAUSS METER AT SURFACE:HEAD SHOT/CLAMP KEROSENE COUPLING ENDCOIL/CABLE WRAP RESIDUAL (SOLVENT MIX) CENTERCONDUCTOR

MAGNAGLO 14AM HRUST END

PROD MEDIA:

AMP.: AC/DC WET BATH (FLUORESCENT) (SPRAY CAN) DEMAGNETIZED BELOW 2.0 GAUSS

YOKE OTHERSAC DC DRY POWDER (VISIBLE) PARTS WITH DISCONTINUITIES MARKED

PERMANENT SPRAY CAN (FLUORESCENT) RUST PRESERVATION

INSPECTIONS RESULTS:

NO CRACK INDICATION ON ABOVE INSPECTED AREA, SEE THE ATTACHMENT :


CHINSPECTOR SIGNATURE


ACCEPTABLE

APPROVED BY : ES


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INSPECTED BY : CH/ MN/ AM REPORT NO. : NDT. 01 / 015M / VI – ‘14MT LEVEL : II DATE : JUNE 03, 2014


Fig.1 Position MT inspection on the Rotor Fig. 2 MT inspection on the Rotor

Fig.3 No Crack indication on bearing journal Gen Side

Fig. 4 No Crack indication on bearing journal Gen Side

Fig. 5 No Crack indication on bearing journal Gov Side

Fig. 6 No Crack indication on bearing journal Gov Side


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DEMAGNETIZATIONREPORT





INSPECTED BY : ES REPORT NO. : NDT.01 / 026D/ VI-‘14UT LEVEL : III DATE : JUNE 06, 2014



AS RECEIVED

1 UNIT = LP ROTOR REPAIR

FINAL

TEST AREA :ALL VISIBLE SURFACE PROCEDURE NO. : PRO-01WI-41

DEMAGNETIZER: AMPERE RESIDUAL MAGNETISM READING WITH

MOBILE UNIT / CABLE WRAP 1000 – 1500 AMP

GAUSS METER AT SURFACE:

MAGNAFLUX AC 0 COUPLING END / DE

YOKE 6 0 CENTER

0 THRUST END/ NDE

INSPECTION RESULT :

DEMAGNETIZATION BELOW 2 GAUSS, SEE PHOTOGRAPHS IN THE ATTACHMENT:


HROPERATOR SIGNATURE


ACCEPTABLE

APPROVED BY : ES


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DEMAGNETIZATIONREPORT





INSPECTED BY : ES REPORT NO. : NDT.01 / 026D/ VI-‘14UT LEVEL : III DATE : JUNE 06, 2014


Fig.1 Demagnetization on Gov. Side LP rotor Fig.2 Residual magnetism on Gov. SideCoupling : 1 gauss

Fig.3 Residual magnetism on Journal Gov.Side :1.5 gauss

Fig.4 Residual magnetism on gland seal Gov.Side :1 gauss

Fig.5 Demagnetization on Gen. Side LP rotor Fig.6 Residual magnetism on gland seal Gen.Side :1 gauss


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PRO-01FR-44 REV.04

PHOTOGRAPHS

CUSTOMER : PJB – UP MUARA KARANGMFG./MODEL : MITSUBISHI / 200 MW

EQUIP./NO. : LP ROTOR / UNIT #5P.O. NO. : LOI NO. 160.LOI/612/UPHB/2014TSID PROJECT : P-01267

Rotating Equipment Services

Purwakarta Service Center



32/34

PRODUCTION Forms PT. Sulzer Turbo Services Indonesia

PHOTOGRAPHS






Fig 01. Incoming condition of rotor Fig 02. Incoming condition bearing journal rotor

Fig 03. Check depth of rubs journal rotor Fig 04. Blasting rotor preparation

Fig 05. Incoming visual inspection Fig 06. Incoming magnetic paticle test inspection


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PRODUCTION Forms PT. Sulzer Turbo Services Indonesia

PHOTOGRAPHS






Fig 07. Under cutting both journals for weld prep Fig 08. Welding repair both journals

Fig 09. Rough cutting both journals after weldingrepair Fig 10. Ultrasonic test after rought cutting

Fig 11. Stress relieve process Fig 12. Final machining both journals to target size


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turbo docs p-01267_repair mhi st rotor unit 5-1

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