new holland l565 lx565 lx665 repair manual

8/17/2019 New Holland L565 Lx565 Lx665 Repair Manual

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SECTION 1

GENERAL INFORMATIONCONTENTS

INTRODUCTION 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SAFETY INFORMATION

Precautionary Statements 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety Precaution Information 1-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety Decals 1-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General Safety Information 1-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HARDWARE TORQUE SPECIFICATIONS CHART 1-15. . . . . . . . . . . . . . .

HYDRAULIC TUBE AND FITTING INSTALLATION 1-17. . . . . . . . . . . . . . .

HYDRAULIC TUBE AND FITTING TORQUE SPECIFICATIONS 1-17. . .

PROPERLY SUPPORTING A RAISED MACHINE 1-18. . . . . . . . . . . . . . . .

CAB AND BOOM TILT PROCEDURE 1-19. . . . . . . . . . . . . . . . . . . . . . . . . . .

CRANING THE SKID-STEER LOADER 1-25. . . . . . . . . . . . . . . . . . . . . . . . . .

DRILLING HOLES IN OVERHEAD DASH 1-28. . . . . . . . . . . . . . . . . . . . . . . .

ADAPTING ATTACHMENTS REQUIRING 12V ELECTRICAL

POWER 1-28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYDRAULIC SYSTEM COMPATIBILITY 1-30. . . . . . . . . . . . . . . . . . . . . . . . .

ACCESSORY RELAY AND ENGINE FUSE BLOCK 1-31. . . . . . . . . . . . . . .

SPECIFICATIONS 1-32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .INDEX 1-37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


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SECTION 1 - GENERAL INFORMATION

1-2

INTRODUCTIONThis service manual provides the technicalinformation needed to properly service andmaintain the Models L565, LX565, and LX665skid-steer loaders. Use it in conjunction with the

operator’s manual which is supplied with theloader. Keep both manuals available for readyreference.

The L_ _ _ designates a factory standard builtunit.

The LX_ _ _ designates a factory deluxe builtunit. Options factory installed include work lights,taillights, and auxiliary boom hydraulics.

The L565, LX565, and LX665 have manysimilarities with the major differences beingengine horsepower and lifting capacity.

Whenever working on New Holland equipment,left and right sides of themachineare determinedby standing behind the unit, looking in thedirection of travel.

The easiest and least time-consuming removal,disassembly, and reassembly procedures aredetailed in the manual. Modifying theseprocedures is not recommended.

New Holland skid-steer loaders are designedwith emphasis on safety for operator protection.However, careless and negligent operation canstill result in serious injury to persons or damageto property. Be sure to read and follow all safetyinstructions in this manual.

Your New Holland dealer is interested in yourobtaining the most from your investment and willbe glad to answer any questions you may haveabout your loader. When major service is

required, your dealer’s staff of trained servicetechnicians is ready to serve you.

When in need of parts, always order genuineNew Holland service parts from your NewHolland dealer. Be prepared to give your dealerthe model and serial number of the engine andloader (the location of these numbers isdescribed later in this section). Record the serialnumbers here.

Loader Model

Loader Serial Number

Engine Model

Engine Serial Number

CAUTION: THIS SYMBOL IS USEDTHROUGHOUT THIS BOOK WHENEVER

YOUR OWN PERSONAL SAFETY ISINVOLVED. TAKE TIME TO BE CAREFUL!

ABOUT IMPROVEMENTSNew Holland is continuallystriving to improve its products. We must, therefore, reserve theright to makeimprovements or changes when it becomes practical and possible to do so, without incurring anyobligation to make changes or additions to the equipment sold previously.

ALL SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.


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1-3

PRECAUTIONARY STATEMENTS

PERSONAL SAFETY

Throughout this manual and on machine decals, you will find precautionary statements (“CAUTION”,“WARNING”, and “DANGER”) followed by specific instructions. These precautions are intended for thepersonal safety of you and those working with you. Please take the time to read them.

CAUTION: THE WORD “CAUTION” IS USED WHERE A SAFE BEHAVIORAL PRACTICE AC-CORDING TO OPERATING AND MAINTENANCE INSTRUCTIONS AND COMMON SAFETY PRACTICES WILL PROTECT THE OPERATOR AND OTHERS FROM ACCIDENT INVOLVEMENT.

WARNING: THEWORD “WARNING” DENOTES A POTENTIAL OR HIDDEN HAZARD WHICH HASA POTENTIAL FOR SERIOUS INJURY. IT IS USED TO WARN OPERATORS AND OTHERS TO EX-ERCISE EVERY APPROPRIATE MEANS TO AVOID A SURPRISE INVOLVEMENT WITH MACHIN-ERY.

DANGER: THE WORD “DANGER” DENOTES A FORBIDDEN PRACTICE IN CONNECTION WITHA SERIOUS HAZARD.

FAILURE TO FOLLOW THE “CAUTION”, “WARNING”, AND “DANGER” INSTRUCTIONS MAY RESULT IN SERIOUS BODILY INJURY OR DEATH.

MACHINE SAFETY Additional precautionary statements (“ATTENTION” and “IMPORTANT”) are followed by specific in-structions. These statements are intended for machine safety.

ATTENTION: The word “ATTENTION” is used to warn the operator of potential machine damage if acertain procedure is not followed.

IMPORTANT: The word “IMPORTANT” is used to inform the reader of something he needs to know to prevent minor machine damage if a certain procedure is not followed.


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SAFETY PRECAUTION INFORMATIONUNSAFE OPERATING PRACTICES AND IMPROPER USE OF THE SKID-STEER LOADER AND

ITS ATTACHMENTS ON THE PART OF THE OPERATOR CAN RESULT IN INJURIES. OBSERVETHE FOLLOWING SAFETY PRECAUTIONS AT ALL TIMES:

1. FOR SERVICING, THE LOADER SHOULD BE ON LEVEL TERRAIN, ENGINE STOPPED WITHTHE WHEELS BLOCKED OR THE ENTIRE LOADER SOLIDLY SUPPORTED WITH THEWHEELS OFF THE GROUND BEFORE SERVICING ANY COMPONENTOF THEDRIVETRAIN.

2. FOR SERVICING UNDER THE OPERATOR’S SEAT, RAISE THE SEAT AND PAN ASSEMBLY TO THE RAISED LATCHED POSITION AND SECURELY LATCH.

3. DO NOT OPERATE THE LOADER UNLESS THE SEAT IS LATCHED IN THE OPERATEPOSITION.

4. DO NOT SERVICE THE LOADER WITH A RAISED BOOM UNLESS THE BOOM IS RESTINGON THE BOOM LOCK PINS.

5. DO NOT SERVICE THE LOADER WITH THE ENGINE RUNNING UNLESS THE LOADER ISPROPERLY AND SECURELY SUPPORTED WITH ALL FOUR WHEELS OFF THE GROUND.

6. USE CAUTION WHEN SERVICING THE UNIT AROUND MOVING PARTS.

7. DO NOT TILT THE BOOM AND CAB WITHOUT PROPER INSTRUCTION.

8. DO NOT TILT THE BOOM AND CAB WITHOUT USING THE PROPER CAB TILTING TOOL.

9. REINSTALL ALL SHIELDS REMOVED FOR SERVICE.

10. NEVER LOOSEN ANY HYDRAULICCONNECTIONSBEFORE RELIEVING THE PRESSURE INTHE HYDRAULIC SYSTEM.

11. WEAR EYE PROTECTION SUCH AS GOGGLES, ETC.

12. WEAR EAR PROTECTION SUCH AS EARPLUGS, ETC. WHEN YOU FEEL THE NOISE LEVELIS UNCOMFORTABLE.

13. IF ANY SERVICING OR ADJUSTMENTS REQUIRE THE BATTERY TO BE DISCONNECTED,DISCONNECT THE (-) NEGATIVE GROUND CABLE.

14. WHEN SERVICING ELECTRICAL COMPONENTS, DISCONNECT THE (-) NEGATIVEGROUND CABLE.

15. IF THEELECTRONICINSTRUMENT CLUSTER (EIC) REQUIRESREMOVAL FROM THEDASHAREA OR THE SKID-STEER LOADER, DISCONNECT THE (-) NEGATIVE GROUND BATTERY CABLE. THIS WILL SHUT OFF POWER TO THE EIC AND PREVENT DAMAGE TO THE EICBOARD OR BLOWING THE 5-AMP FUSES IF THE BOARD IS ACCIDENTALLY GROUNDED.

16. IF WELDING IS REQUIRED ON THE SKID-STEER LOADER, DISCONNECT THE (-) NEGATIVEGROUND CABLE. FAILURE TO DISCONNECT THE BATTERY MAY RESULT IN DAMAGE TOTHE EIC (ELECTRONIC INSTRUMENT CLUSTER) MONITORING SYSTEM AND OTHERELECTRICAL COMPONENTS.

17. IF WELDING IS REQUIRED ON AN ATTACHMENT, REMOVE THE ATTACHMENT FROM THESKID-STEER LOADER.


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18. GIVE COMPLETE AND UNDIVIDED ATTENTION TO THE JOB AT HAND SO THAT COMPLETECONTROL OF THE LOADER IS MAINTAINED AT ALL TIMES.

19. DRIVE SLOWLY OVER ROUGH GROUND AND ON SLOPES; KEEP ALERT FOR HOLES,DITCHES AND OTHER IRREGULARITIES THAT MAY CAUSE THE LOADER TO OVERTURN.

20. AVOID STEEP HILLSIDE OPERATION WHICH COULD CAUSE THE LOADER TO OVERTURN.

21. NEVER TRANSPORT A LOADED BUCKET AT FULL HEIGHT. OPERATE THE LOADER WITHTHE LOAD AS LOW AS POSSIBLE UNTIL IT BECOMES NECESSARY TO RAISE THE BOOMTO DISCHARGE THE LOAD INTO A TRUCK, CONTAINER, ETC.

22. REDUCE SPEED WHEN TURNING SO THERE IS NO DANGER OF THE LOADEROVERTURNING.

23. NEVER DRIVE UPOR BACKUP A HILLOR INCLINE WITH A RAISEDBOOMOR THE LOADERCOULD OVERTURN.

24. ALWAYS LOOK BEHIND YOU BEFORE BACKING UP THE LOADER.

25. MAINTAIN PROPER TRANSMISSION OIL LEVEL TO PREVENT LOSS OF HYDROSTATICBRAKING.

26. DO NOT ALLOW PASSENGERS TO RIDE ON THE LOADER AT ANY TIME.

27. DO NOT ALLOW CHILDREN TO OPERATE THE LOADER OR RIDE ON THE LOADER AT ANY TIME.

28. DO NOT ALLOW ANYONE TO OPERATE THE LOADER WITHOUT PROPER INSTRUCTION.

OSHA REQUIRES THAT ALL OPERATORS BE INSTRUCTED ON THE PROPER OPERATIONOF THE MACHINE BEFORE THEY OPERATE THE UNIT.

29. DO NOT OPERATE THE LOADER IN ANY POSITION OTHER THAN WHILE IN THE

OPERATOR’S SEAT WITH THE SEAT BELT SECURELY FASTENED.

30. BEFORE STARTING THE ENGINE, BE SURE THAT ALL OPERATING CONTROLS ARE INNEUTRAL AND THE PARKING BRAKE IS ENGAGED.

31. NEVER OPERATE THE LOADER ENGINE IN A CLOSED BUILDING WITHOUT ADEQUATE VENTILATION.

32. REFUEL THE LOADER OUTDOORS WITH THE ENGINE SHUT OFF. REPLACE THE FUELCAP SECURELY. USE AN APPROVED FUEL CONTAINER. DO NOT SMOKE WHENHANDLING FUEL. AVOID SPILLING FUEL.

33. AFTER OPERATING THE ENGINE, NEVER TOUCH THE MUFFLER, EXHAUST PIPE, ENGINE

OR RADIATOR UNTIL THEY HAVE HAD TIME TO COOL.34. DRESS APPROPRIATELY - WEAR RELATIVELY TIGHT-FITTING CLOTHING WHEN

OPERATING THE LOADER. LOOSE OR TORN CLOTHING CAN CATCH IN MOVING PARTSOR CONTROLS.

35. BEFORE SERVICING THE LOADER, OR ANY OF ITS ATTACHED EQUIPMENT, BE SURETHAT THE ATTACHMENTS ARE LOWERED TO THE GROUND OR THAT THE BOOM ARMSARE SUPPORTED BY THE BOOM LOCK PINS.

36. DO NOT WORK UNDER OVERHANGS, ELECTRIC WIRES, OR WHERE THERE IS DANGEROF A SLIDE.


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37. WEAR AN APPROVED SAFETY HAT WHEN OPERATING THE MACHINE AND WHILE IN ANY WORK AREA.

38. WHEN DRIVING THE LOADER ON A ROAD OR HIGHWAY, USE WARNING LIGHTS ORWARNING DEVICES AS MAY BE REQUIRED BY LOCAL OR STATE GOVERNMENTREGULATIONS. HEADLIGHTS, WARNING LIGHTS AND SMV SIGNS ARE AVAILABLETHROUGH YOUR NEW HOLLAND DEALER.

39. KEEP THE LOADER CLEAN. DO NOT ALLOW TRASH, DEBRIS OR OTHER ARTICLES TOACCUMULATE IN THE CAB, FLOOR OR FOOT CONTROL PEDAL AREA THAT MAY HINDERSAFE MACHINE OPERATION.

40. NEVER OPERATE THE LOADER WITH ANY OF THE SHIELDING REMOVED.

41. NEVER OPERATE THE LOADER WITHOUT WINDOWS AND/OR SCREENS IN PLACE.

42. NEVER EXTEND ANY PART OF THE BODY OUTSIDE OF THE OPERATOR’S AREA.

43. ALWAYS PROPERLY TIE DOWN THE SKID-STEER LOADER TO A TRUCK OR TRAILERBEFORE TRANSPORT.

44. MAKE SURE ALL BYSTANDERS ARE AT A SAFE DISTANCE AWAY FROM THE LOADERBEFORE STARTING THE ENGINE.

45. DO NOT ALLOW ANYONE NEAR THE LOADER WHILE THE ENGINE IS RUNNING AND THELOADER IS OPERATIONAL.

46. WHEN USING THE SKID-STEER LOADER TO CRANE OBJECTS, DO NOT ALLOW ANYONETO RIDE ON OBJECTS BEING CRANED.

47. DO NOT USE THE SKID-STEER LOADER AS A WORK PLATFORM FOR SUPPORTINGMATERIALS.

48. DO NOT LIFT PERSONNEL OR ALLOW PERSONNEL TO WORK WHILE STANDING IN THE

BUCKET OR ON OTHER ATTACHMENTS. THIS IS NOT A MAN-LIFT.

OSHA REQUIREMENTS NOW MAKE IT THE EMPLOYER’S RESPONSIBILITY TO FULLY INSTRUCT EACH OPERATOR IN THE PROPER AND SAFE OPERATION OF ALL OPERATIVEEQUIPMENT. BOTH EMPLOYER AND EMPLOYEE SHOULD THOROUGHLY FAMILIARIZETHEMSELVES WITH THE FOLLOWING SECTIONS.


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CAUTION!

SOME PICTURES IN THIS MANUAL SHOW SAFETY SHIELDS REMOVED OR OPEN TO SHOWPARTS BEING SERVICED OR FOR CLARITY. ALL SHIELDS SHOULD BE CLOSED OR

REPLACED PRIOR TO OPERATING THE MACHINE.

DANGER!

FASTEN SEAT BELT

BEFORE STARTING ENGINE!

THIS LOADER IS A VERY STABLE UNIT BUT IT CAN BE UPSET IF STOPPED SUDDENLY WHENTHE BUCKET IS RAISED AND LOADED.

THEREFORE, DO NOT START THE ENGINE BEFORE SECURELY FASTENING THE SEAT BELT,

AND CARRY THE LOAD LOW.


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SAFETY DECALSThe following safety decals have been placed onyour machine in the areas indicated. They areintended for the personal safety of you and thoseworking with you. Please take this manual, walk

around your machine and note the content and

location of these warning signs. Review thesedecals with your machine operators.

Keep the decals legible. If they are not, obtainreplacements from your New Holland dealer.

1. DANGER: DO NOT ALLOWPASSENGERS TO RIDE ON THE LOADERAT ANY TIME. DO NOT GET UNDERBOOM UNLESS SUPPORTED BY THE

BOOM LOCK PINS.

Part #86521685

2. CAUTION: DO NOT ALLOW ANYONE TO

OPERATE THE LOADER WITHOUTPROPER INSTRUCTION.

Part #86521688


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3. DANGER: BEFORE EXITING THELOADER, LOWER THE LIFT ARMS ANDATTACHMENT TO THE GROUND ORREST LIFT ARMS ON THE BOOM STOPS.STOP ENGINE AND ENGAGE THEPARKING BRAKE.

Part #86521683

4. WARNING: DO NOT OVERLOAD! NEVERLIFT MORE THAN THE MAXIMUM SAELOAD RATING OF THE LOADER. NEVERTRANSPORT A LOADED BUCKET ATFULL HEIGHT. OPERATE THE LOADERWITH THE LOAD AS LOW AS POSSIBLE.

Part #86521716L565, LX565 - 682 kg/1500 lbs.

(Mfg. Rating)

Part #86521717LX665 - 770 kg/1700 lbs.

(Mfg. Rating)

5. WARNING: NEVER OPERATE THELOADER WITHOUT THE SEAT BELTSECURELY FASTENED.

Part #86521686


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6. WARNING: KEEP CLEAR OF MOVINGPARTS. KEEP BYSTANDERS CLEAR OFTHE LOADER AT ALL TIMES UNLESSTHE BOOM IS DOWN ON THE GROUNDOR THE BOOM IS RESTING ON THEBOOM LOCK PINS AND ENGINE IS OFF.NEVER EXTEND ANY PART OF THE

BODY OUTSIDE OF THE OPERATOR’SAREA.

Part #86521673

7. WARNING: KEEP CLEAR! ROTATINGFAN - STOP ENGINE.

Part #9828825

8. WARNING: DO NOT ALLOW ANYONE

NEAR THE LOADER WHILE THE ENGINEIS RUNNING AND THE LOADER ISOPERATIONAL.

Part #86509972


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9. CAUTION: DO NOT SPRAY ETHER INTOAIR INTAKE. EXPLOSION AND INJURY COULD RESULT.

Part #796286

10. DANGER: USE ONLY THE NEWHOLLAND CAB JACK KIT TO TILT THECAB. READ INSTRUCTIONS BEFORETILTING CAB. DO NOT REMOVE CAB

HARDWARE UNTIL CAB JACK ISINSTALLED. FAILURE TO DO SO MAY CAUSE CAB TO FALL CAUSINGSERIOUS INJURY OR DEATH.

Part #86521713

11. DANGER: (LOCATED ON THE CABTILTING JACK) NEW HOLLAND

SKID-STEER LOADER CAB TILTINGTOOL. READ CAB TILTINGINSTRUCTIONS AND USE WITH PROPERMOUNTING BRACKETS BEFORETILTING CAB.

Part #86508506


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GENERAL SAFETY INFORMATIONHANDLE FLUIDS SAFELY

When you work around fuel or other flammablematerial, do not smoke or work near heaters orother fire hazards.

Do not store flammable material in opencontainers.

Store flammable fluids away from fire hazards.

Do not incinerate or puncture pressurizedcontainers.

Make sure machine is clean of dirt, grease, oil,and debris.

Do not store oily rags; they can ignite and burn

spontaneously.Keep a first aid kit and fire extinguisher handy.

Keep emergency numbers for doctors,ambulance service, hospital, and fire departmentnear your telephone.

USE CARE AROUND HIGH-PRESSUREFLUID LINES

Escaping fluid under pressure can penetrate the

skin causing serious injury.

Avoid the hazard by relieving pressure beforedisconnecting hydraulic or other lines.

Tighten all line connections before applyingpressure.

Check for leaks with a piece of cardboard.

Protect hands and body from high-pressurefluids.

If an accident occurs, see a doctor immediately. Any fluid injected into the skin must be surgicallyremoved within a few hours or gangrene mayresult. Doctors unfamiliar with this type of injury

should reference a knowledgeable medicalsource.

AVOID HEATING NEAR PRESSURIZEDFLUID LINES

Flammable spray can be generated by heatingnear pressurized fluid lines, resulting in severeburns to yourself and bystanders.

Do not heat by welding, soldering, or using atorch near pressurized fluid lines.

Pressurized lines can be accidentally cut ordamaged when heat goes beyond the immediateflame area.

USE CARE IN HANDLING ANDSERVICING BATTERIES

Prevent Battery Explosions

Keep sparks, lighted matches, and open flameaway from the top of the battery. Battery gas canexplode.

Never check battery charge by placing a metalobject across the posts. Use a voltmeter orhydrometer.

Do not charge a frozen battery; it may explode.Warm the battery to 60° F (16° C).

WARNING: IF ANY SERVICING ORADJUSTMENTS REQUIRE THE BATTERY TOBE DISCONNECTED, OR WELDING ISREQUIRED ON THE SKID-STEER LOADER,DISCONNECT THE (-) NEGATIVE GROUNDCABLE. FAILURE TO DISCONNECT THEBATTERY MAY RESULT IN DAMAGE TO THEEIC (ELECTRONIC INSTRUMENT CLUSTER)MONITORING SYSTEM AND OTHERELECTRICAL COMPONENTS.

WARNING: IF WELDING ON ANATTACHMENT IS REQUIRED, FIRSTREMOVE THE ATTACHMENT FROM THELOADER BOOM ATTACHING PLATE.


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WARNING: STARTING AN ENGINE WITH ABOOSTER BATTERY REQUIRES EXTREMECARE AS BATTERIES PRODUCEEXPLOSIVE GASES. THE SLIGHTESTSPARK CAN CAUSE AN EXPLOSION.

FOLLOW THESE SAFETY TIPS:

1. ALWAYS SHIELD YOUR EYES WHENCHARGING OR WORKING NEAR ABATTERY. ALWAYS PROVIDE GOOD

VENTILATION.

2. COVER THE BATTERY WITH A PIECE OFCARPET OR OTHER HEAVY MATERIAL.DO NOT REMOVE THE BATTERY VENTCAPS.

3. CONNECT ONE CABLE TO THE (+)POSITIVE TERMINAL OF THE WEAK

BATTERY. CONNECT THE OTHER ENDOF THE CABLE TO THE (+) POSITIVETERMINAL OF THE STRONGERBATTERY.

4. CONNECT THE SECOND CABLE TO THE(-) NEGATIVE TERMINAL OF THESTRONGER BATTERY.

5. CONNECT THE REMAINING (-)NEGATIVE CABLE END TO THE ENGINEBLOCK OR STARTER GROUNDTERMINAL.

6. REVERSE THIS PROCEDURE WHENDISCONNECTING THE BOOSTER.

USE SAFE SERVICE PROCEDURES

Wear Protective Clothing

Wear close-fitting clothing.

Wear safety glasses or face shield as required.

Wear other safety equipment appropriate to the job.

Wear earplugs or earmuffs as required.

SERVICE MACHINE SAFELY

Use caution when working around moving parts.

If servicing requires the boom to be in the raisedposition, remove any attachment from the boommounting plate and support the boom on theboom lock pins. If servicing requires thecompleteloader to be in thesupported position, support theunit with adequate jack stands or blocking with allfour wheels off the ground.

BEFORE SERVICING THE LOADER OR ANYOF ITS ATTACHED EQUIPMENT, BE SURETHAT THE ATTACHMENTS ARE LOWEREDTO THE GROUND OR THE BOOM ARMS ARESUPPORTED BY THE BOOM LOCK PINS.

USE PROPER TOOLS

Use tools appropriate for the job.

If tilting of the cab is required, use the proper toolsand follow the procedure for tilting the cab inSection 1 of this manual.

REVIEW SAFETY EQUIPMENT, SIGNSAND SHIELDS

Replace missing or damaged safety decals.

Reinstall all shielding removed for servicing.

Replace any damaged or missing shielding.

CONTROLSOperate unit and check machine functions forproper operation.

Check seat belt for proper operation, wear, anddamage - Replace as needed.

Check operator restraint system and EIC forproper operation.

Check boom and bucket spool locks for properoperation.

Check mechanical boom locks for properoperation.

Check parking brake for proper operation andadjustment.


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The skid-steer loader model and serial numbertag is located on the right front interior of theoperator’s cab at 1.

The engine model and serial number is located

on the left side of the block at 1.

For the tightening torques for reassembly, usethe following hardware torque chart unless thetorque is specified in the instructions.

2534-05

1

Figure 1-1

4800-11

11

Figure 1-2


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NOTE: Torque values shown with * are inch pounds.

IDENTIFICATIONCAP SCREWS AND CARRIAGE BOLTS

LOCKNUTS

1 213 (289) 275 (373) 547 (742) 708 (960) 773 (1048) 1000 (1356) 386 (523) 545 (739) 1

7/8 142 (193) 183 (248) 365 (495) 473 (641) 515 (698) 667 (904) 258 (350) 364 (494) 7/83/4 146 (198) 189 (256) 226 (306) 293 (397) 319 (432) 413 (560) 160 (217) 226 (306) 3/4

5/8 83 (112) 107 (145) 128 (174) 165 (224) 180 (244) 233 (316) 90 (122) 127 (172) 5/8

9/16 60 (81) 77 (104) 92 (125) 120 (163) 130 (176) 169 (229) 65 (88) 92 (125) 9/16

1/2 42 (57) 54 (73) 64 (87) 83 (113) 91 (123) 117 (159) 45 (61) 64 (88) 1/2

7/16 27 (37) 35 (47) 42 (57) 54 (73) 59 (80) 77 (104) 30 (41) 42 (57) 7/16

3/8 17 (23) 22 (30) 26 (35) 34 (46) 37 (50) 48 (65) 19 (26) 26 (35) 3/8

5/16 115* (13) 149* (17) 178* (20) 229* (26) 250* (28) 324* (37) 125* (14) 176* (20) 5/16

1/4 55* (6.2) 72* (8.1) 86* (9.7) 112* (13) 121* (14) 157* (18) 61* (6.9) 86* (9.8) 1/4

MINIMUM HARDWARE TIGHTENING TORQUES

IN FOOT POUNDS (NEWTON-METERS) FOR NORMAL ASSEMBLY APPLICATIONS

INCH HARDWARE AND LOCKNUTS

NOMINAL UNPLATED PLATED UNPLATED PLATED UNPLATED PLATED GR.B GR.C NOMINALSIZE or W/ZnCr or W/ZnCr or W/ZnCr w/GR5 w/GR8 SIZE

PLATED PLATED PLATED BOLT BOLTSILVER GOLD SILVER GOLD SILVER GOLD

SAE GRADE 2 SAE GRADE 5 SAE GRADE 8 LOCKNUTS

SAE GRADE 2 SAE GRADE 5 SAE GRADE 8

REGULAR NUTS SAE GRADE 5HEX NUTS SAE GRADE 8HEX NUTS

GRADE B ONE CIRCUMFERENTIAL NOTCH

GRADE C TWO CIRCUMFERENTIAL NOTCHES

GRADE IDENTIFICATION

GRADE A NO MARKS

GRADE B THREE MARKS

GRADE C SIX MARKSMARKS NEED NOT BE LOCATED


AT CORNERS

GRADE A NO MARKS

GRADE B LETTER B

GRADE C LETTER C


GRADE A NO NOTCHES


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M4 15* (1.7) 19* (2.2) 23* (2.6) 30* (3.4) 33* (3.7) 42* (4.8) 16* (1.8)

M6 51* (5.8) 67* (7.6) 79* (8.9) 102* (12) 115* (13) 150* (17) 56* (6.3)

M8 124* (14) 159* (18) 195* (22) 248* (28) 274* (31) 354* (40) 133* (15)

M10 21 (28) 27 (36) 32 (43) 41 (56) 45 (61) 58 (79) 22 (30)

M12 36 (49) 46 (63) 55 (75) 72 (97) 79 (107) 102 (138) 39 (53)

M16 89 (121) 117 (158) 137 (186) 177 (240) 196 (266) 254 (344) 97 (131)

M20 175 (237) 226 (307) 277 (375) 358 (485) 383 (519) 495 (671) 195 (265)

M24 303 (411) 392 (531) 478 (648) 619 (839) 662 (897) 855 (1160) 338 (458)

NOTE: Torque values shown with * are inch pounds.

IDENTIFICATIONHEX CAP SCREW AND CARRIAGE BOLTS

CLASSES 5.6 AND UP

MANUFACTURER’S IDENTIFICATION

PROPERTY CLASS

HEX NUTS AND LOCKNUTS

CLASSES 05 AND UP

MANUFACTURER’S IDENTIFICATION

MINIMUM HARDWARE TIGHTENING TORQUES

IN FOOT POUNDS (NEWTON-METERS) FOR NORMAL ASSEMBLY APPLICATIONS

METRIC HARDWARE AND LOCKNUTS

SIZE UNPLATED PLATED UNPLATED PLATED UNPLATED PLATED W/CL8.8W/ZnCr W/ZnCr W/ZnCr BOLT

CLASS 5.8 CLASS 8.8 CLASS 10.9

PROPERTY CLASS

LOCKNUTCL.8NOMINAL

CLOCK MARKING


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INSTALLATION OF ADJUSTABLEFITTINGS IN STRAIGHT THREADO RING BOSSES

1. Lubricate the O ring by coating it with a lightoil or petroleum. Install the O ring in thegroove adjacent to the metal backup washerwhich is assembled at the extreme end of thegroove, 4.

2. Install the fitting into the SAE straight threadboss until the metal backup washer contactsthe face of the boss, 5.

NOTE: Do not over tighten and distort themetal backup washer.

3. Position the fitting by turning out(counterclockwise) up to a maximum of oneturn. Holding the pad of the fitting with a

wrench, tighten the locknut and washeragainst the face of the boss, 6.

STANDARD TORQUE DATA FOR HYDRAULIC TUBES AND FITTINGS

FOOTPOUNDS

6

10

15

25

35

60

70

80

95

120

250

10

15

20

30

40

70

80

90

115

140

300

FOOTPOUNDS

8

14

20

34

47

81

95

108

129

163

339

9

12

21

35

53

77

90

110

140

160

225

12

15

24

40

53

82

100

120

150

175

240

16

20

33

54

79

111

136

163

204

237

325

12

16

29

47

72

104

122

149

190

217

305

NEWTONMETERS

6.4

7.9

9.5

12.7

15.9

19.1

22.2

25.4

31.8

38.1

50.8

mm4

5

6

8

10

12

14

16

20

24

32

1/4

5/16

3/8

1/2

5/8

3/4

7/8

1

1-1/4

1-1/2

2

7/16-20

1/2-20

9/16-18

3/4-18

7/8-14

1-1/16-12

1-3/16-12

1-5/16-12

1-5/8-12

1-7/8-12

2-1/2-12

14

20

27

41

54

95

109

122

158

190

407

TUBE NUTSFOR 37° FLARED FITTINGS

O RING BOSS PLUGSADJUSTABLE FITTING

LOCKNUTS, SWIVELJIC - 37° SEATS

TORQUE TORQUE

SIZETUBING

ODTHREAD

SIZENEWTONMETERS

Min. Max.Min. Max.Min. Max.Min. Max.In.

These torques are not recommended for tubes of 12.7 mm (1/2²) OD and larger with wall thicknessof 0.889 mm (0.035²) or less. The torque isspecified for 0.889 mm (0.035²) wall tubes oneach application individually.

Before installing and torquing 37° flared fittings,clean the face of the flare and threads with a

clean solvent or Loctite cleaner and applyhydraulic sealant Loctite no. 569 to the 37° flareand the threads.

Install fitting and torque to specified torque,loosen fitting and retorque to specifications.


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1-18

PROPERLY SUPPORT A RAISEDMACHINE

If servicing neutral adjustment, final driveadjustment or repairs requiring the machine to beraised, securely support the machine withadequate jack stands or blocks as shown.

Support the machine at 1 to the front of the finaldrive cases and to the rear at 2, making sure thesupports are on the flat area of the final drivecases.

PROPERLY SUPPORT BOOM ON BOOMLOCK PINS

Before servicing the machine or any of itsattached equipment, be sure that theattachments are lowered to the ground or theboom arms are supported by the boom lock pins,1.

If the boom is to be raised on the boom lock pins,remove any attachment. Opening a hydraulic linecould cause a mounted attachment to dump overunexpectedly.

MAJOR UNIT OVERHAUL

For a major hydrostatic component or enginerepair, the skid-steer loader cab and boomassembly can be tilted forward for easier accessto the components area. Figure 1-5 shows theloader properly supported and the cab tiltedforward.

WARNING: NEVER ATTEMPT TO TILT THESKID-STEER LOADER CAB WITHOUT USINGTHE PROPER TOOL AND INSTRUCTIONS.SEE MORE DETAIL LATER IN THIS SECTIONOF THE MANUAL AND/OR CONTACT YOURNEW HOLLAND DEALER.

Figure 1-3

Figure 1-4

Figure 1-5


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1-19

CAB AND BOOM TILT PROCEDURE

The cab and boom assembly can be tiltedforward for easier access to the major skid-steerloader hydrostatic transmission or enginecomponents. To tilt the cab, the proper cab tiltingtool must be used to ensure safety and to prevent

damage to the loader frame, cab, and boomstructure. Contact your New Holland dealer formajor service or repairs of the skid-steer loader.Using the proper cab tilting tool and followingthese steps, the cab and boom can be tiltedforward.

1. Remove any attachment, bucket, etc. fromthe boom quick-attach plate.

2. Raise the boom and lower onto boom lockpins, 1.

a. Raise boom above boom lock pins.

b. Engage boom lock pins.

c. Stop engine, ignition key off position.

d. Turn ignition key to the on position.

e. Lower boom onto boom lock pins.

f. Turn the ignition key to the “OFF” position.

3. Jack up the loader and block it securely withall four wheels off the ground, as shown.Position the front blocks, 1, to the front of thefinal drive housings and the rear blocks, 2, tothe rear of the flat area of the final drivehousings.

WARNING: NEVER ATTEMPT TO TILTTHE SKID-STEER LOADER CAB OVERUNLESS THE LOADER IS SECURELY SUPPORTED.

Figure 1-6

Figure 1-7

Figure 1-8


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1-20

4. Open the rear door, 1. Raise the top engineshield, 2, and latch in the raised position.

5. Remove engine side covers, 3.

6. Disconnect the battery negative (-) cable, 1.

7. Remove fenders, 1, right and left sides.

8. Remove foam material, 2, from both sides.

9. Remove the rear fender supports, 3, rightand left sides.

Figure 1-9

Figure 1-10

Figure 1-11


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1-21

10. Raise the seat and lock in the up position, 1.Make sure the seat pan assembly is latchedsecurely.

CAUTION: DO NOT WORK UNDER THESEAT AND PAN UNLESS IT IS PROPERLY LATCHED IN THE RAISED POSITION.

11. Remove the front step shield, 1.

12. Remove the cotter pins from the parkingbrake linkage at 1, unhook link rod, 2, andraise the parking brake lever, 3, to theengaged position.

4825-11r

1

Figure 1-12

Figure 1-13

1

Figure 1-14


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1-22

13. Install the lower cabjack support, 1. Hook thesupport over the end of the front left finaldrive housing and attach with a 1/2² x 8² capscrew, twospacers, one each side of housingat 2, and 1/2² nut.

14. Install the upper cab jack support, 1. The

spacer channel, 2, is used for the L565,LX565, and LX665 models. Pivot theretainingplate, 3, up behind theboom toplinkand secure with 1/2² x 1-1/4² carriage boltand 1/2² wing nut. Install retaining bolt, 4,1/2² x 2-1/2² cap screw through side of cabwith a large 1/2² flat washer, 1/2² wing nut tothe inside of cab and tighten.

Figure 1-15

Figure 1-16


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1-23

15. Install the jack assembly, 1, between theupper and lower supports using two pins andretaining clips.

16. Loosen the front cab mounting bolts, 2, onlyenough to allow the bolt to rotate in post.Remove the rear front cab bolts, 3.

CAUTION: NEVER REMOVE THE FRONTCAB BOLTS, 2, AS THESE ARE THEPIVOT BOLTS DURING THE CAB TILTINGPROCEDURE. REMOVAL OF THESEBOLTS COULD CAUSE THE CAB TOFALL AND MAY CAUSE INJURY ANDMACHINE DAMAGE.

17. Remove the four rear cab post bolts, 4. Note

the number and position of washers forreassembly.

CAUTION: NEVER LOOSEN OR REMOVEANY CAB RETAINING HARDWAREBEFORE THE JACK ASSEMBLY ISINSTALLED.

18. Jack cab and boom assembly over with theloader properly supported off the ground.Support the boom at 1 to prevent tipping of the loader when heavy components, engine,hydrostatic pumps, etc. are removed fromthe lower frame. Jack travel or length of hydraulic hoses will limit the travel of the cabassembly when tilting. Be sure all wireharnesses, hydraulic hoses, and throttlecable clear any obstructions during cabtilting.

WARNING: NEVER ATTEMPT TO TILTTHE SKID-STEER LOADER CABWITHOUT PROPER INSTRUCTIONS ANDWITHOUT USING THE PROPER TOOL.

CAUTION: NEVER ATTEMPT TOOPERATE OR MOVE THE SKID-STEERLOADER WITHOUT FIRST INSTALLINGAND PROPERLY TIGHTENING ALL CABRETAINING HARDWARE.

Figure 1-17

Figure 1-18


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1-24

To jack the cab and boom assembly back intoposition:

1. Pull the hydrostat control handles forwardand hold in this position with rubber tie strapsfrom the handle to the front cab post.

2. Jack the cab and boom back into position.3. Keep the wire harness, 1, and throttle cable,

2, in position to prevent damage from settingthe cab on them.

4. Pull the wire harness through the loop, 3.

CAUTION: KEEP THE WIRE HARNESSFROM BEING DAMAGED. A DAMAGEDWIRE HARNESS COULD RESULT IN

DAMAGE TO THE LOADER ELECTRICALCOMPONENTS.

5. Remove rubber tie straps from thehydrostatic control handles.

6. Reinstall all cab support bolts front and rear.

Torque the rear bolts, 1, to 108 N·m (80 ft.lbs.). Make sure the washers are the same

number and position as removed.

7. Reinstall the parking brake linkage, 2.

8. Position the throttle cable, 3, inside frame.

9. Reinstall the rear fender supports, 4. Do nottighten hardware at this time.

Figure 1-19

Figure 1-20


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1-25

10. Torque the front bolts, 1, to 217 N·m(160 ft. lbs.).

11. Reinstall the foam, 2; fenders, 3; and frontstep shield, 4.

12. Tighten the rear fender supports, 5, at this

time.

13. Remove jack and supports.

14. Reconnect the battery cable.

WARNING: NEVER ATTEMPT TO OPERATEOR MOVE THE SKID-STEER LOADERWITHOUT FIRST INSTALLING ANDPROPERLY TIGHTENING ALL CAB

RETAINING HARDWARE.

CRANING THE SKID-STEER LOADER

If the skid-steer loader is inoperative and locatedin an area where it cannot be loaded onto a truckor trailer, the unit may be craned to load the unit.

To crane the loader, only usechainor cable with arated capacity to handle the weight of the modelskid-steer loader being craned. Refer to“Specifications” in this manual for the operatingweight of the model loader being craned. Use

three chains minimum of 3.66 m (12¢) long toprevent sharp angles and damage to the loader

cab, boom, and lifting chains.

Figure 1-21

Figure 1-22


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1-26

Remove any attachment except a standardbucket from the loader boom attaching plate.

CAUTION: DO NOT LIFT ANY ATTACHMENTS

ON THE LOADER MOUNTING PLATE THATWEIGH 272 kg (600 LBS.) OR MORE. LIFTSUCH ATTACHMENTS SEPARATELY.

The lifting points at the rear of the loader, 1.

The front is located in the center of the mainframe, 1.

Figure 1-23

Figure 1-24

Figure 1-25


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1-27

The lifting chains or cables must be minimum of 3.66 m (12¢). The lifting hook point must beminimum of 1.9 m (75²) above the cab, 1, toprevent the chains or cables from damaging theloader frame or cab.

WARNING: ALWAYS USE PROPERLY RATEDLIFTING DEVICES TO PREVENT PERSONALINJURY OR DAMAGE TO THE LOADER.

When craning (lifting or lowering) a skid-steerloader, observe these “CAUTIONS.”

CAUTION:

1. NO RIDERS (INCLUDING THEOPERATOR) IN OR ON THE MACHINEWHILE LIFTING OR LOWERING.

2. DO NOT LIFT ANY ATTACHMENTS ON

THE LOADER MOUNTING PLATE THATWEIGH 272 kg (600 LBS.) OR MORE. LIFTSUCH ATTACHMENTS SEPARATELY.

3. ALWAYS USE A CHAIN OR CABLECAPABLE OF SAFELY HOISTING THEWEIGHT OF THE SKID-STEER LOADER.

4. BEFORE HOISTING THE SKID-STEERLOADER, ALWAYS INSPECT THELIFTING CHAIN OR CABLE AND THELIFTING POINTS ON THE LOADER MAINFRAME TO INSURE THEY ARE IN GOOD

CONDITION. IF WORN OR DAMAGED, DONOT USE.

5. DO NOT LIFT THE LOADER WITH ANY FRAME-MOUNTED ATTACHMENTSSUCH AS A BACKHOE OR REARSTABILIZERS.

Figure 1-26

6. DO NOT ATTACH LIFTING DEVICES TOTHE LOADER BOOM OR ATTACHMENTSON THE LOADER.

7. MAKE SURE THE LOADER BOOM IS INTHE COMPLETELY LOWEREDPOSITION.

8. MAKE SURE THAT ANY ATTACHMENTTO BE LIFTED ON THE LOADER ISSECURELY FASTENED TO THE LOADERMOUNTING PLATE WITH THEOVER-CENTER HANDLES AND PINSFULLY ENGAGED. PIVOT THEATTACHMENT FULLY BACK.

9. MAKE SURE THAT THE ENGINE IS OFF

AND THE PARKING BRAKE IS ENGAGEDBEFORE LIFTING.

10. KEEP BYSTANDERS AWAY FROM THEMACHINE A SAFE DISTANCE WHILELIFTING.


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1-28

DRILLING HOLES IN OVERHEAD DASH

Always install the rearview mirrors as shown inthe mirror instruction sheet. Otherwise, you mustunhook the negative battery cable and removethe EIC board and ignition switch panels from theoverhead dash. If holes and attaching screws are

installed into the dash area, 1, make sure thescrews will not contact the EIC board, the ignitionswitch, or wiring, as electrical system damagewill occur. Remove the mounting hardware, 2,and check where to drill first.

IMPORTANT: Failure to unhook the negative battery cable before removal of the EIC board or switch may result in an accidental grounding,causing component damage.

IMPORTANT: Retaining hardware contacting theEIC board or switch may cause an electrical

short, damaging the loader electrical system.

ADAPTING ATTACHMENTS REQUIRING12V ELECTRICAL POWER

There are important rules that must be followedwhen adapting attachments that require 12 voltelectrical power. Proper wiring of electricaldevices and power and ground connections isvery important to prevent other electricalcomponent damage. Attaching electricalconnections to locations other thanrecommended may allow electric current to feed

back through the EIC board, creating false EICboard readings and warnings, or causing EICboard damage or failure.

1. ALWAYS FOLLOW the instructions for NewHolland kit installation to ensure properfunction and operation.

2. NEVER CONNECT an electrical device toany wires, fuses, switches or grounds insidethe cab area. This includes any terminals of the ignition switch, fuse panel, or groundterminal.

3. NEVER INSTALL an electrical device, musicradio, two-way radio, or unapproved NewHolland attachment into the cab area.

4. ONLY USE the 12-volt accessory poweroutlet for attachments requiring less than 10amps. The accessory outlet is connected tothe engine fuse/relay panel and protectedwith a 15 amp fuse.

Figure 1-27

Figure 1-28


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1-29

5. ALWAYS CONNECT new electricalattachments to the engine fuse/relay panel,1, and connect the grounds to the engine bellhousing. USE ONLY vacant connections andfuses not in use for specified attachments.

6. PLEASE REFER to Service Bulletin 11/95-I4

for more detailed information about higheramperage requirements and makingelectrical connections.

Wires and connections are available providingelectrical attachments were not previously

installed.

Figure 1-29

Engine Fuse Panel

Ref. Color Destination Fuse Battery Voltage Status

1 R/B To turn signal relay 10-amp All times Available

2 R/GY To accessory relay 25-amp All times Available

3 R/LTGN To EIC board pin #14 P2 connector 5-amp All times Occupied

4 LTGN/R To seat switch(es) 5-amp All times Occupied

5 R/W To key switch (battery terminal) 15-amp All times Occupied

6 R From preheat circuit breaker 20-amp All times Occupied

7 R From start relay All times Occupied

8 R/O To heater power relay 20-amp All times Available

9 R/T Spare 7.5-amp All times Available

10 DKGN/R To high flow, horn, power outlet 15-amp Key “ON” position Available

11 O/LTGN From accessory relay Key “ON” position Occupied

12 O/W To back-up alarm switch 5-amp Key “ON” position Available

13 O/LTGN From road/work light fuse (cab panel) Key “ON” position Occupied

1

234

5

7

8

6

11

13

12

10

9


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1-30

HYDRAULIC SYSTEM COMPATIBILITY

There are six general questions that must beanswered before adapting attachments thatrequire hydraulic oil power.

1. What is the hydraulic pressure

requirement, minimum and maximum?Are they higher than the maximumpressure of the model?

Model Maximum Pressure

L565, Lx565, Lx665 2500 to 2600 PSI(170-176 bar)

2. What is the hydraulic oil flowrequirement? Is it more than the highesttotal flow rate of the skid-steer loadermodel?

Figure 1-30

Model Standard Hydraulics High Flow Hydraulics

L565Lx565

14.5 GPM (54.9 l/min.)@2900 RPM@1000 PSI (68 bar)


Lx665 17.1 GPM (64.9 l/min.)@2900 RPM@1000 PSI (68 bar)


NOTE: When using the High-Flow

system, 3/4” quick couplers must be usedor high system backpressure may result.

3. Will the attachment accept oil flow in bothdirections?

If “YES”, nothing is required.

If “NO”, install a check valve or cross into theattachment return line to prevent reverse oil flowto the attachment.

Examples: Backhoes and trees spades with aseparate control valve do not accept oil flow in

both directions.

4. Must the attachment “Free Wheel” tostop?

If “YES”, a crossover relief connection must beinstalled on the attachment side to allow theattachment to free wheel to a stop after theskid-steer loader hydraulics are turned off.

If “NO”, nothing is required.

Example: Snow blowers must free wheel to a

stop.5. Will the attachment accept hydraulicsystem backpressure?If “YES”, nothing is required.If “NO”, the attachment will not function properlyon a New Holland skid-steer loader. Normalbackpressure for New Holland skid-steer loadersis between 200 to 250 PSI.Examples: Post drivers; some breakers; andsome hand held hydraulic tools do not acceptsystem backpressure.

NOTE: L565, Lx565, LX665 model loadersmust have a minimum of 22.7 l/min. (6GPM) returning through the mainhydraulic system at all times to chargethe hydrostatic system.

If allthe skid-steer loaderoilflow is not required tooperate an attachment (e.g., Shaver PostDriver), a flow divider can be installed into thehydraulic oil circuit on the attachment. The flowdivider sends the required oil flow to theattachment andthe remainder back to thenormalskid-steer loader hydraulic circuits.


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1-31

6. Does the attachment have a separatecase drain oil line?


If “YES”, install a separate case drain line toreturn theattachment case drain oildirectly to the

hydraulic oil reservoir.Example: Cold planners have a separate casedrain oil line.

NOTE: Most attachment case drains will notaccept backpressure and must drain directlyinto the reservoir.

NOTE: Skid-steer loaders equipped with HighFlow Hydraulics have a separate case draincoupler and return line attached to the rightboom arm.

7. Does the attachment require circuit relief

in the bucket circuit?


If “YES”, install a bucket circuit relief valve onfront of the control valve.

Example: Some mini-backhoes attach like abucket, and require bucket circuit relief.

ACCESSORY RELAY AND ENGINEFUSE BLOCK

Later model loaders include an accessory relay,

1, and a second fuse block, 2, to the side of thestandard fuse block, 3. The relay and fuse blockare included in some accessory kits. The serialnumber breaks for the factory installed secondfuse block are as follows.

EARLIER MODELS - without accessory relayand second fuse block

Model Serial Number RangeL565 850751 to 999999 and. . . . . . . . . . . . .

0001 to 31153Lx565 847451 to 999999 and. . . . . . . . . . . .

0001 to 38841Lx665 847851 to 999999 and. . . . . . . . . . . .0001 to 64384

LATER MODELS - with accessory relay andsecond fuse block installed from factory

Model Serial Number RangeL565 31154 to 850750. . . . . . . . . . . . .Lx565 38842 to 847450. . . . . . . . . . . .Lx665 64385 to 847850. . . . . . . . . . . .

19984973

1

2

3

Figure 1-31


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1-32

SPECIFICATIONS

MODEL L565-Lx565 Lx665

ENGINE MANUFACTURER NEW HOLLAND NEW HOLLAND. . . . . . . . . . . . . . .

MODEL N844 Diesel N844T Diesel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CYLINDERS 4 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ASPIRATION NATURAL TURBOCHARGED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CYCLE 4 STROKE 4 STROKE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

BORE AND STROKE 84 90 mm (3.31² 3.54²) 84 90 mm (3.31² 3.54²). . . . . . . . . .

DISPLACEMENT 1995 cu. cm (121.7 cu. in.) 1995 cu. cm (121.7 cu. in.). . . . . . . . . . . . . . .

COMPRESSION RATIO 22 to 1 22 to 1. . . . . . . . . . . . . . . . . . . . . . . . . .

SPEEDS-FAST (no load) 3070 to 3150 RPM 3070 to 3150 RPM. . . . . . . . . . . . . . . . . . . .

-IDLE (no load) 900 to 1000 RPM 900 to 1000 RPM. . . . . . . . . . . . . . . . . . . . .HORSEPOWER

(SAE GROSS) 42.5 @2900 RPM 52.0 @2900 RPM. . . . . . . . . . . . . . . . . . . . . .(SAE NET) 40.0 @2900 RPM 50.0 @2900 RPM. . . . . . . . . . . . . . . . . . . . . . . . .

TORQUE - (mfg. rating) Gross 126 N·m (93 ft. lbs.) 153 N·m (113 ft. lbs.). . . . . . . . . . . .

VALVE CLEARANCE-Intake (cold). 0.2 mm (0.008 in.) 0.2 mm (0.0008 in.). . . . . . . . . . . . . . . . . . . . . .-Exhaust (cold). 0.2 mm (0.008 in.) 0.2 mm (0.0008 in.). . . . . . . . . . . . . . . . . . . .

FIRING ORDER 1-3-4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FUEL CONSUMPTION(approximate at continuous full load) L565/Lx565 - 9.5 LPH (2.5 GPH). . . . . . . . . . . . . . . . . . . . . . .

Lx665 - 12.1 LPH (3.2 GPH)

IGNITION TYPE Compression. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

GRADEABILITY (Intermittent duty) 30 Degrees All Directions. . . . . . . . . . . . . . . . . . . . . . . . .

AIR CLEANER - Dry type dual elementPrimary element NH #86504145. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Safety element NH #86504143. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FUEL SYSTEMType of fuel Diesel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Cleaning system Inline filter replaceable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

NH#9611973

Inline water trap NH#86504140CAPACITIES

Cooling system 10.3 L (10.8 qt.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Fuel tank 52.9 L (14 gal.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Hydraulic reservoir 22.7 L (6 gal.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Chain case (final drive - per side) 7.6 L (8 qt.). . . . . . . . . . . . . . . . . . . . . . .Gearbox (per box) 0.95 L (1 qt.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


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ENGINE - EARLY MODEL & SERIAL NUMBER RANGEL565 - 850751 to 999999 and 0001 to 31279LX565 - 847451 to 999999 and 0001 to 40190LX565 High Flow - 847451 to 999999 and 0001 to 40215Lx665 - 847851 to 999999 and 0001 to 66996Lx665 High Flow - 847851 to 999999 and 0001 to 67011

Oil type API SG/CF SAE 10W-30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Filter part # NH #86546618. . . . . . . . . . . . . . . . . . . . . . . . . .Engine crankcase capacity w/filter 6.6 L (7qt.). . . . . .Dipstick length 381 mm (15²). . . . . . . . . . . . . . . . . . . . . . .

ENGINE - LATER MODEL & SERIAL NUMBER RANGEL565 - 31280 to 850750Lx565 - 40191 to 847450Lx565 High Flow - 40216 to 847450Lx665 - 66997 to 847850Lx665 High Flow - 67012 to 847850

Oil type API SG/CF SAE 10W-30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Filter part # NH #86546618. . . . . . . . . . . . . . . . . . . . . . . . . .Engine crankcase capacity w/filter 7.6 L (8 qt.). . . . . .

Dipstick length 367 mm (14.4²). . . . . . . . . . . . . . . . . . . . . . .ELECTRICAL SYSTEM

Battery SAE PC31 - 12V 625 amps @ 0°F. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .(--18°C)

Alternator capacity 40 amps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Starter switch Key start and relay. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Ignition system protection Fuse 15 amps. . . . . . . . . . . . . . . . . . . . . . . . . . . . .Headlights (work)See S/N Break* NH #9847313. . . . . . . . . . . . . . . . . . . . . .Taillights (work) See S/N Break* NH #9847313. . . . . . . . . . . . . . . . . . . . . .

*Headlight and Taillight Serial Number BreakModel Serial Number Range. . . . . . . . .L565 850751 to 999999 and 0001 to 31153. . . . . . . . . .

Lx565 847451 to 999999 and 0001 to 38841. . . . . . . . .Lx665 847851 to 999999 and 0001 to 64384. . . . . . . . .Headlights (work) See S/N Break** NH86533429. . . . . . . . . . . . . . . . . . . . .Taillights (work) See S/N Break** NH86533429. . . . . . . . . . . . . . . . . . . . . . .

**Headlight and Taillight Serial Number BreakModel Serial Number Range. . . . . . . . .L565 31154 to 850750. . . . . . . . . .Lx565 38842 to 847450. . . . . . . . .Lx665 64385 to 847850. . . . . . . . .Taillights (road) 86505510. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Amber flasher NH #529068. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HYDRAULIC SYSTEM

Pump - Type Gear pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Output (Standard Flow - L565/Lx565) 15.2 GPM (57.5 LPM). . . . . . . . . .@3050 RPM-@1000 PSI

(Optional High Flow - L565/Lx565) 25.7 GPM (97.3 LPM). . . . . .@3050 RPM-@2300 PSI

(Standard Flow - Lx665) 17.4 GPM (65.9 LPM). . . . . . . . . . . . . . .@3050 RPM-@1000 PSI

(Optional High Flow - Lx665) 27.7 GPM (104.9 LPM). . . . . . . . . . .@3050 RPM-@2300 PSI

Reservoir 22.7 L (6.5 gal.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Hydraulic Fluid SAE 10W-30 - API SG/CF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


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1-34

Control Valve 3 Spool Open Center. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Main system relief 170 - 176.8 bar (2500 - 2600 PSI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Circuit relief - boom 238 bar (3500 PSI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Filter Spin-on canister NH #9842392. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

BOOM CYLINDERSDouble-acting 35.1 mm (2.5²) dia. bore. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

470.0 mm (18.5²) stroke

Cycle time Raise Lower. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .L565/Lx565 - 3.5 seconds 3.5 secondsLx665 - 2.7 seconds 2.3 seconds

BUCKET CYLINDERSDouble-acting 31.8 mm (2.25²) dia. bore. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

450.8 mm (17.88²) strokeCycle time Dump Curl. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

L565/Lx565 - 2.8 seconds 2.2 secondsLx665 - 1.75 seconds 1.54 seconds

HYDROSTATIC TRANSMISSIONSPump Variable displacement piston type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Motor Fixed displacement piston type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Charge Pressure 7.5 bar (110 PSI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Relief Pressure (Transmission) 238 bar (3500 PSI). . . . . . . . . . . . . . . . . . . . . . . . .Oil Type SAE 10W-30 API SG/CF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TRAVEL SPEEDS - 10.00 16.5 TiresForward 12.07 KPH (7.5 MPH). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Reverse 12.07 PPH (7.5 MPH). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TIRE SIZES AND INFLATION

Tire Tire Pressure7.00 15 - CHEVRON TREAD 414 kPa (60 PSI). . . . . . . . . . . . . . . . . . . . . . . . . . . .7.50 15 - HST-HOLLOW SEGMENTED TIRES N/A. . . . . . . . . . .

10.00

16.5 - R4 CLEAT TREAD 345 kPa (50 PSI). . . . . . . . . . . . . . . . . . . . . . . . .10.00 16.5 HD 2000 345 kPa (50 PSI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.00 16.5 - HST-HOLLOW SEGMENTED N/A. . . . . . . . . . . . . . .31 15.5 15 - G1 Flotation 276 kPA (40 PSI). . . . . . . . . . . . . . . . . . . . . . . . . . . . .

BASIC WEIGHT - With 157 cm (66²) Dirt & Foundry bucket, 79 kg (175-lb.) operator,full fuel tank, battery, and 10.00 16.5 tires

L565 2443 kg (5385 lbs.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Lx565 2452 kg (5395 lbs.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Lx665 2456 kg (5405 lbs.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OPERATING CAPACITYSAE Operating load capacity per SAE J732, J818, J742 Standard.

L565 680 kg (1500 lbs.) (mfg. rating). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .770.4 kg (1695 lbs.) (SAE rating)*

Lx565 680 kg (1500 lbs.) (mfg. rating). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .770.4 kg (1695 lbs.) (SAE rating)*

Lx665 771 kg (1700 lbs.) (mfg. rating). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .774.9 kg (1705 lbs.) (SAE rating)*

*SAE operating load rating per J818 specifications.


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1-35

Figure 1-32

DIMENSIONS - L565, Lx565 AND Lx665 WITH 66² DIRT AND FOUNDRY BUCKET AND10 x 16.5 TIRES - CM (IN.)

1 - OVERALL WIDTH w/BUCKET 168.7 cm (66²). . . . . . . . . . . . . . . . . . . . . . . . . .

2 - TURNING RADIUS - FRONT 189.2 cm (74²). . . . . . . . . . . . . . . . . . . . . . . . . . .

3 - TURNING RADIUS - REAR 152.4 cm (60²). . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 - WHEEL TREAD w/10 x 16.5 TIRES 138.5 cm (56²). . . . . . . . . . . . . . . . . . . . .

5 - OVERALL WIDTH w/10 x 16.5 TIRES 166.7 cm (65.6²

). . . . . . . . . . . . . . . . . . .OVERALL WIDTH w/7 x 15 TIRES 152.4 cm (60²). . . . . . . . . . . . . . . . . . . . . .


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1-36

Figure 1-33

DIMENSIONS - L565, Lx565 AND Lx665 WITH 66² DIRT AND FOUNDRY BUCKET AND10 x 16.5 TIRES - CM (IN.)

1 - MAXIMUM OPERATING HEIGHT 355.7 cm (140.0²). . . . . . . . . . . . . . . . . . . . . .

2 - HEIGHT TO HINGE PIN 293.4 cm (115.5²). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 - DUMP HEIGHT 229.6 cm (90.4²). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 - DUMP ANGLE (MAX.) 46 DEGREES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 - ROLLBACK FULLY RAISED 74 DEGREES. . . . . . . . . . . . . . . . . . . . . . . . . . .

6 - BOOM REACH TO PIVOT PIN (At max. reach) 37.0 cm (14-9/16²). . . . . . . . . . .

7 - DUMP REACH @ MAXIMUM HEIGHT 71.1 cm (28.0²). . . . . . . . . . . . . . . . . .

8 - OVERALL HEIGHT 189.9 cm (74.75²). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9 - ANGLE OF DEPARTURE 23 DEGREES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10- GROUND CLEARANCE

(CHAIN CASE) 19.6 cm (7.7²). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .(BELLY PAN) 23.6 cm (9.3²). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11- WHEELBASE 107.9 cm (42.5²). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12- OVERALL LENGTH WITHOUT BUCKET 257.8 cm (101.5²). . . . . . . . . . . . . . . .

13- OVERALL LENGTH w/BUCKET 322.0 cm (126.75²). . . . . . . . . . . . . . . . . . . . . . . .

14- ROLL BACK ANGLE (BOOM DOWN) 36 DEGREES. . . . . . . . . . . . . . . . . . .


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1-37

INDEX About improvements 1-2. . . . . . . . . . . . . . . . . . .

Accessory relay and engine fuse block 1-31. .

Adapting attachments requiring

12V electrical power 1-28. . . . . . . . . . . . . . . . . .

Cab and boom tilt procedure 1-19. . . . . . . . . . .

Craning the skid-steer loader 1-25. . . . . . . . . .

Drilling holes in overhead dash 1-28. . . . . . . . .

General information 1-1. . . . . . . . . . . . . . . . . . .

General safety information 1-12. . . . . . . . . . . .

General safety information - avoid heating

near pressurized fluid lines 1-12. . . . . . . . . . . .General safety information - controls 1-13. . . .

General safety information - handle fluidssafely 1-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General safety information - review safetyequipment, signs and shields 1-13. . . . . . . . . .

General safety information - servicemachine safely 1-13. . . . . . . . . . . . . . . . . . . . . . .

General safety information - use care

around high-pressure fluid lines 1-12. . . . . . . .

General safety information - use care inhandling and servicing batteries 1-12. . . . . . . .

General safety information - use propertools 1-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General safety information - use safeservice procedures 1-13. . . . . . . . . . . . . . . . . . .

Hydraulic system compatibility 1-30. . . . . . . . .

Introduction 1-2. . . . . . . . . . . . . . . . . . . . . . . . . .

Installation of adjustable fittings instraight thread O ring bosses 1-17. . . . . . . . . .

Machine safety 1-3. . . . . . . . . . . . . . . . . . . . . . .

Minimum hardware tightening torque 1-15. . .

Major unit overhaul 1-18. . . . . . . . . . . . . . . . . . .

Properly support a raised machine 1-18. . . . .

Properly support boom onboom lock pins 1-18. . . . . . . . . . . . . . . . . . . . . . .

Personal safety 1-3. . . . . . . . . . . . . . . . . . . . . . .

Precautionary statements 1-3. . . . . . . . . . . . . .

Safety decals 1-8. . . . . . . . . . . . . . . . . . . . . . . . .

Safety precaution information 1-4. . . . . . . . . . .

Specifications 1-32. . . . . . . . . . . . . . . . . . . . . . .

Standard torque data for hydraulictubes and fittings 1-17. . . . . . . . . . . . . . . . . . . . .


38/8252-1

SECTION 2ENGINE

CONTENTS

GENERAL ENGINE INFORMATION 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ENGINE MODEL AND SERIAL NUMBER LOCATION 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SAFETY PRECAUTIONS 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

GENERAL ENGINE DATA 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TROUBLESHOOTING 2-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SPECIFICATIONS 2-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TORQUE SPECIFICATIONS 2-20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ENGINE REMOVAL 2-22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ENGINE DISMANTLING SEQUENCE. 2-28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DISASSEMBLY, INSPECTION, FITS, AND CLEARANCES OF COMPONENT ASSEMBLIES 2-36

REINSTALLATION OF ENGINE INTO LOADER FRAME 2-77. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COOLING SYSTEM 2-80. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FUEL SYSTEM 2-84. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TURBOCHARGER 2-104. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ELECTRICAL SYSTEMS - ALTERNATOR AND STARTER 2-119. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

STARTER MOTOR TROUBLESHOOTING 2-133. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MAXIMUM CIRCUIT RESISTANCE 2-154. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SPECIAL TOOLS 2-155. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LABOR GUIDE 2-156. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INDEX 2-161. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


39/825

SECTION 2 - ENGINE

2-2

GENERAL ENGINE INFORMATIONNEW HOLLAND ENGINES, N844 used in theMODELS L565 and LX565 SKID-STEERLOADERS and N844T TURBOCHARGERENGINE used in the MODEL LX665SKID-STEER LOADER:

GENERAL DESCRIPTION

The N844, N844T Series are four-cylinderstroke, liquid-cooled, compression ignitionengines, designed for durability, low weight andcompactness. The engines are IDI (In DirectInjection). The linerless cylinder block,three-piece helical gear train, andflange-mounted fuel injection pump on theengine cam, reduce frictional power loss andengine weight. The special direct-injection orswirl chamber, along with the small bore

multi-cylinder design, offers good fuelconsumption, low noise, and excellentstart-ability.

COMPONENT ASSEMBLY DESCRIPTION

Cylinder Block

The cylinder block is made from high-grade castiron with copper and chrome additives and isintegral with the crankcase. The crankcasefeatures five main bearings of the tunnel block

design, with crankcase walls extending wellbelow the crankshaft centerline for strength andrigidity. The cylinder’s bores are plateau honedfor oil retention and extended ring life. Thenon-machined surfaces are sealed to ensurecleanliness.

Crankshaft

The crankshaft is a chrome-molybdenum steelforging, fully machined, static, and dynamicallybalanced with integral counterweights. Allbearing surfaces are induction hardened. The

axial location is by thrust washers at the numberfive main bearing. The five main journals run inreplaceable steel-backed cast copper/lead alloybearings. The front of the crankshaft is keyed.

19992590

Figure 2-1

19992591

Figure 2-2


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SECTION 2 - ENGINE

2-3

Pistons and Connecting Rods

Pistons are cast from high silicon aluminum alloyand are heat-treated for low weight with highstrength and good thermal conductivity. Thepiston is fitted with three rings; two cast iron,chrome-faced compression rings and one steel,

chrome-faced controlled oil ring. The fullyfloating gudgeon pin (wrist pin) is made of chrome molybdenum steel alloy hardened bycarburizing and retained by the conventionalretaining ring method. The connecting rods aremachined from high-strength forged steel. Thebig end bearings are renewable steel-backed,copper/lead alloy overlay with tin plating. Thesmall end bearings are a press fit plain bushing of tin-backed lead/bronze.

Camshaft

The camshaft is made of forged steel and isinduction hardened. Three or four additionallobes at the front operate the fuel injection pump.

At the rear, a fuel lift pump eccentric is machined.The camshaft is supported by roller and needlebearings and lubricated by splash feed. Thenoseof the camshaft supports the cam gear, governorweight cage, and governor slider assembly.

Cylinder Head

The cylinder head is made of high grade copperchrome cast iron, and incorporates replaceable

heat-resistant alloy steel valve seats. Inlet andexhaust valves are made of high gradeheat-resistant alloy steel with tuftrided stems andinduction hardened heads. Each stem is fittedwith a chromemolybdenum steel cap for long life.

The valves are operated by cold drawn seamlesstube push rods with hardened steel ball andforged cup ends. Flat-based tappets are madefrom case carburized chrome molybdenum steeloperating in machined bores in the cylinderblock. The rocker shaft is an induction hardenedhollow steel tube. Valve clearances are adjusted

by hardened ball-ended screws and locknuts.

Rocker Cover and Inlet Manifold

The cover is made of cast aluminum with an airintake, oil filler, and crankcase breather. It islocated in position by rocker pillar studs andsecured by cap nuts.

Gear TrainThe gear train consists of three helical gears --the crankshaft gear located by a woodruff key,the idler gear houses the lube oil pump, and thecam gear incorporates the governor weight cage.

Fuel System

A flange-mounted, Bosch-type fuel injectionpump is mounted in the cylinder block andoperated by lobes machined on the engine cam.

Lubricating System A trochoid lobe oil pump located in the center of the idler gear sends lubricating oil to the main oilgalley via a relief valve through a spin-on bypassoil filter to the main oil gallery. The rockers arepressure fed via an externally mounted oil pipefrom the main oil gallery to the cylinder head.

Cooling System

A belt-driven centrifugal water pump circulatescoolant via the internal water passages. Thecoolant is radiator cooled and temperature

controlled by a conventional thermostat.


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SECTION 2 - ENGINE

2-4

ENGINE MODEL AND SERIAL NUMBERLOCATION

The engine model number is located on the rightside of the engine block at 1. The engine serialnumber is located at 2.

Throughout this manual, whenever the left- orright-hand side of the engine is referred to, it isthat side of the engine when viewed from theflywheel end.

This publication is produced by New HollandNorth America, Inc. Every endeavor is made toensure the information contained in this manualis correct at the date of publication, but due tocontinuous development, New Holland reservesthe right to alter specifications without notice.

COLD ENGINE STARTING PROCEDURE

Check the engine code programmed into the EICboard. The correct engine code must be used toprovide the right amount of preheat time(seconds) needed for the engine.

If a gas engine code is used, no preheat time isprovided.

Allow the EIC board to preheat the engine. Theamount of preheat time is controlled by the EICboard, depending on engine temperature. Thewarmer the engine (weather also), the less the

preheat time.Procedure:

1. Sit in the seat to power up the EIC board.

2. Fasten the seat belt when the board lights goout.

3. Turn on the ignition switch and monitor thepreheat time in seconds. The seconds couldbe as high as 18 and will count down to zero.Try to start the engine when the beepersounds one time.

4. If the engine does not start, turn off theignition switch, turn the switch back on, andallow preheat timer to count down again.

5. Start the engine.

If the engine does not start, check for burned outglow plugs. One or more glow plugs not heatingwill make the engine harder to start, or if all glowplugs are burned out, the engine may not start.Replace the glow plugs.

Figure 2-3


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SECTION 2 - ENGINE

2-5

TURBOCHARGER LUBRICATION

The turbocharger used on the Lx665 dieselengine may not receive adequate lubrication oncool/cold weather (below 5°C, 40°F) start-up,leading to turbocharger bearing failure.

The following procedure must be used to ensureadequate lubrication oil is supplied to theturbocharger bearings before high-speed engineoperation:

1. Set the engine throttle at 1/3 speed.

2. Turn the ignition switch and allow theautomatic glow plug timer to preheat theengine until the EIC “beep” is heard.

3. Start the engine, but DO NOT OPERATE ABOVE 1,500 RPM for three minutes toallow for adequate oil flow at the

turbocharger. After full load operation, allow the engine to run atlow idle for one minute before engine shutdown.


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SECTION 2 - ENGINE

2-6

SAFETY PRECAUTIONS

THESE SAFETY PRECAUTIONS ARE MOSTIMPORTANT:

Do not change the specification of theengine.

Do not smoke when you put fuel in the tank.

Clean away any fuel which has spilled andmove material which has fuel contaminationto a safe place.

Do not put fuel in the tank during engineoperation.

Never clean, lubricate or adjust the engineduring operation unless otherwise specifiedin this manual. Use extreme caution whenworking around moving parts to preventinjury.

Do not make any adjustments you do notunderstand.

Ensurethe engineis not in a position to causea concentration of toxic emissions.

Persons in the area must be kept clear duringengine and equipment or vehicle operation.

Do not permit loose clothing or long hair nearparts which move.

Keep away from parts which turn duringoperation. Note that fans cannot be seenclearly while the engine is running.

Do not run the engine with any safety guardsremoved.

Do not remove the radiator cap while theengine is hot and the coolant is under

pressure, as dangerous hot coolant can bedischarged.

Do not use salt water in the fresh watercooling system or any other coolant whichcan cause corrosion.

Keep sparks or fire away from batteries(especially while charging) or combustioncan occur. The battery fluid can burn and isalso dangerous to the skin and especially theeyes.

Disconnect the battery terminals before youmake a repair to the electrical system.

Only one person must be in control of theengine.

Ensure the engine is only operated from thecontrol panel or operator’s position.

If your skin comes into contact with high-pressure fuel, get medical assistanceimmediately.

Diesel fuel and used engine oils can causeskin damage to some persons. Useprotection on the hands (gloves or specialskin protection solutions).

Do not move equipment unless the brakesare in good condition.

Be sure that the transmission drive control isin “Neutral” position before the engine isstarted.

Do not use ether to start these engines.


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SECTION 2 - ENGINE

2-7

GENERAL ENGINE DATA

LOADER MODEL L565, Lx565 Lx665

Engine Model N844 N844T. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Type Vertical in-line 4-stroke naturally aspirated. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Basic Thread and SizeBore 84 mm (3.31²) 84 mm (3.31²). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Stroke 90 mm (3.54²) 90 mm (3.54²). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Combustion System IDI (Indirect Injection/Special Swirl). . . . . . . . . . . . . . . . . . . . . .

Compression Ratio 22:1 22:1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Swept Volume Liter (inch3) 1,995 (121.7) 1,995 (121.7). . . . . . . . . . . . . . . . . . . . . . . . . .

Firing Order 1-3-4-2 1-3-4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rotation Counterclockwise viewed from flywheel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Low Idle 900-1000 RPM 900-1000 RPM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

High Idle (Full Throttle) 3130-3180 RPM 3130-3180 RPM. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Injection Pump Flange-mounted, Bosch-type plunger and. . . . . . . . . . . . . . . . . . . . . . . . . . .barrel

Injectors Bosch-type throttle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Injector SettingKilograms/sq. cm (kgf/cm2) 147-157 147-157. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Pounds per sq. inch (PSI) 2132-2277 2132-2277. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Turbo NO YES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Governor Mechanical all speed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cooling System Liquid with water pump and radiator. . . . . . . . . . . . . . . . . . . . . . . . . .

Industrial Cooling System Capacity(less radiator) Liters 3.3 3.6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Thermostat OperatingTemperature degrees 180° /203° F (82° /95° C) 160° /180° F (71° /82° C). . . . . . . . . . . . . . . . . . . . . . .

Oil Pressure Relief 35-50 PSI 50-64 PSI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.5 - 3.5 kgf/cm2 3.5 - 4.5 kgf/cm2

Oil Pressure Switch 4.3 PSI 4.3 PSI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical SystemStarter 12V 12V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Alternator 12V 12V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Battery (625 CCA) 12V 12V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Weight, Bare Engine (Industrial) 191 kg (421 lbs.) 206 kg (454 lbs.). . . . . . . . . . . . . . . . . . . .Height 767 mm (30.2²) 789 mm (31.1²). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Length 686 mm (27.0²) 666 mm (26.2²). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Width 428 mm (16.8²) 482 mm (19.0²). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


45/825

SECTION 2 - ENGINE

2-8

Recommended Engine FluidsCoolant Clean soft water. Maximum antifreeze concentration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

50% (ethanediol base-ethylene glycol with corrosioninhibitor to BS 6850:1985 or ASTM D3306-74 or

AS 2108-1977)

Fuel Cetane number-45 minimum, Viscosity -2.5/4.5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

centistokes at 104° F (40° C). Density-0.835/0.855 .kg/liter, Sulfur-0.5% of mass maximum. Distillation85% at 662° F (350° C). (Aviation fuel JP4 is notrecommended; however, JP5 and JET-A areacceptable, providing 5% spindle oil is added).

Lubricating System - Early ModelL565 - 8507751 to 999999 and 0001 to 31279Lx565 - 847451 to 999999 and 0001 to 40190Lx565 High Flow - 847451 to 999999 and 0001 to 40215Lx665 - 847851 to 999999 and 0001 to 66996Lx665 High Flow - 847851 to 999999 and 0001 to 67011

System Pressure feed with Trochoid pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Oil Type API SG/CF SAE 10W-30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(SAE 5W30 for extended cold weather operation)Filter Part # NH #86546618. . . . . . . . . . . . . . . . . . . . . . . . . . .Engine Crankcase Capacity w/Filter 6.6 L (7 qt.). . . . . .Dipstick Length 381 mm (15²). . . . . . . . . . . . . . . . . . . . . . . .

Lubricating System - Later ModelL565 - 31280 to 850750Lx565 - 40191 to 847450Lx565 High Flow - 40216 to 847450Lx665 - 66997 to 847850Lx665 High Flow - 67012 to 847850

System Pressure feed with Trochoid pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Oil Type API SG/CF SAE 10W-30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

(SAE 5W30 for extended cold weather operation)Filter Part # NH #86546618. . . . . . . . . . . . . . . . . . . . . . . . . . .Engine Crankcase Capacity w/Filter 7.6 L (8 qt.). . . . . .Dipstick Length 367 mm (14.4²). . . . . . . . . . . . . . . . . . . . . . . .


46/825

SECTION 2 - ENGINE

2-9

TROUBLESHOOTING

ENGINE WILL CRANK BUT DOES NOT START

CAUSE CORRECTION

Faulty key switch Correct the connection and/or replace switchBlown 5-amp electronic ignition fuse (cabfuse panel)

Replace fuse

Fuel solenoid not operating Check solenoid for battery voltage and correct

Insufficient charging or complete dischargingof the battery

Charge or replace battery

Lack of fuel Fill fuel tank

Air mixed in the fuel system Bleed the air

Clogged fuel filter Replace

Irregular and faulty fuel supply (electric fuelpump)

Check power supply; check fuse in fusepanel; check for corroded internalcomponents (replace pump and in-line filter if corroded)

Irregular and faulty fuel supply (injectionpump trouble)

Repair in an authorized service shop

Glow plug not heating Failure of the glow plug; replace

Improper viscosity of the lubricating oil Inspect and replace

Clogged air cleaner Clean or replaceNo compression Repair in a service shop

ENGINE WILL NOT CRANK OR START

CAUSE CORRECTION

Seat belt not fastened Buckle seat belt

Faulty key switch Correct the connection and/or replace switch

Insufficient charging or complete dischargingof the battery

Charge or replace battery

Blown 5-amp electronic battery fuse (enginefuse panel)

Replace fuse

Blown 15-amp key main fuse (engine fusepanel)

Replace fuse

Open in W/O (white-orange) wire between

the seat/seat belt connector and start inter-

lock relay

Check and repair as required

Faulty start interlock relay Check and repair as required


47/825

SECTION 2 - ENGINE

2-10

IRREGULAR RUNNING OF THE ENGINE

CAUSE CORRECTION

Air mixed in the fuel system Bleed the air from the system

Uneven fuel injection (faulty fuel injection

pump)

Repair at authorized shop


Defective governor Check and correct

Engine itself defective Repair in a service shop

ENGINE STOPS DURING OPERATION

CAUSE CORRECTION

EIC (Electronic Instrument Cluster) shows fault

with hydrostatic charge pressure

Check and repair hydrostatic charge

pressure

EIC (Electronic Instrument Cluster) shows faultwith engine crankcase oil pressure

Check oil level and/or repair enginecrankcase oil pressure

Lack of fuel in the tank Fill fuel tank and bleed air


Air mixed in the fuel system Bleed the air

Faulty function of the engine Repair in a service shop

OVERHEAT OF THE ENGINE

CAUSE CORRECTION

Lack of cooling water Supply water, inspect for leakage and correct

Loose or slipping fan belt Remove oil, dust, etc. and tighten

Damaged fan belt Replace

Clogged radiator Flush the radiator

Clogged radiator fin Clean

Dust or scale clogged in the cooling waterpassage Flush the system

Faulty function of the thermostat Inspect or replace thermostat

Lack of lubricating oil Add oil

Overloading Decrease the load


48/825

SECTION 2 - ENGINE

2-11

FAULTY CHARGING

CAUSE CORRECTION

Loose fan belt Correct belt tension

Faulty wiring Inspect and correct

Faulty battery Repair

Worn out alternator brush Replace

STARTER MOTOR DOES NOT RUN

CAUSE CORRECTION

Loose or disconnected wiring Inspect and tighten

Blown 5-amp electronic battery fuse (enginefuse panel)

Replace fuse

Blown 15-amp key main fuse (engine fusepanel)

Replace fuse

Low voltage of the battery Charge the battery

Damaged starter motor Repair in a service shop

OIL PRESSURE LAMP NOT TURNED ON(Key Switch “On” with Engine Not Started)

CAUSE CORRECTION

Broken lamp bulb Replace bulb

Broken wire between battery to the lamp Correct it

OIL PRESSURE LAMP NOT TURNED OFF

CAUSE CORRECTION

Lack of engine oil Fill oil to the specified level

Fault in the pressure switch Replace the switch

Oil leakage from the lubricating system Inspect and retighten

Clogged oil filter Replace with new one

Short-circuit between EIC panel and oilpressure switch

Repair


49/825

SECTION 2 - ENGINE

2-12

EXCESSIVE SMOKE/ENGINE MISS

CONDITION CAUSE CORRECTION

Good power, but misses orsmokes at top engine speed

Top engine speed too high

Timing off

Adjust top engine speed tofactory limit

Check and adjust engine timing(refer to Tech Com Video#9701)

White or blue exhaust smokeduring all operating conditions

Excess engine oil

Engine oil viscosity too low

Faulty/late injection timing

Check and correct the level

Check and replace oil

Correct timing

Blue smoke on cold enginestartup

Low combustion temperature

Normal warm-up

Check fuel injection timing, ad-

just inlet and exhaust valves,

and test the cylinder

compression

May be difficult to stop blue

smoke on startup com

new holland l565 lx565 lx665 repair manual

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