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SECTION 00 - INTRODUCTION

STEERING CYLINDER

3.9

HYDRAULIC SYSTEM

PRESSURE ADJUSTMENT

Working attachment

Primary safety pressure ......................................................................................................... 250 bar (3625 psi)

Secondary safety pressure - dumping cylinder bottom side .................................................. 280 bar (4059 psi)

Secondary safety pressure - dumping cylinder rod side ........................................................ 250 bar (3625 psi)

Secondary safety pressure - boom cylinder bottom side ....................................................... 280 bar (4059 psi)

W50BTC

W60BTC

W70BTC

W80BTC

Quantity

Ø rod

mm (in)

32 (1.25)

40 (1.57)

Ø piston

mm (in)

70 (2.75)

80 (3.14)

Stroke

mm (in)

300 (11.81)

Содержание W50BTC

Страница 1: ...www newhollandconstruction com Issued 01May 08 87734623A NA W50BTC W60BTC W70BTC W80BTC TIER 3 COMPACT WHEEL LOADER SERVICE MANUAL ...

Страница 2: ... W70BTC W80BTC TIER 3 COMPACT WHEEL LOADER SERVICE MANUAL Bur Issued 01May 08 Printed in U S A Book Form Number 87734623A NA Copyright 2008 CNH America LLC All Rights Reserved Find manuals at https best manuals com ...

Страница 3: ...curring any obligation to install them on units previously sold All data given in this publication is subject to production variations Dimensions and weights are only approximate Illustrations do not necessarily show products in standard condition For exact information about any particular product please consult your Dealer Any use of editorial or pictorial content is strictly prohibited without e...

Страница 4: ...0BTC W60BTC W70BTC W80BTC Repair Manual for Wheel loaders Z W50BTC W60BTC W70BTC W80BTC Repair Manual for Engine The Repair Manuals for Wheel loaders and En gine contain the necessary technical information to carry out service and repair on machine and on engine necessary tools to carry out those opera tions and information on service standard on pro cedures for connection disconnection disassembl...

Страница 5: ...The complete ob servance of one simple rule would prevent many thousands of serious injuries each year This rule is never attempt to clean lubricate or adjust a machine while it is in motion S WARNING Before carrying out any maintenance operation adjustment and or repair on machines equipped with attachments controlled hydraulically or mechanically make sure that the attachment is low ered and saf...

Страница 6: ...60BTC W70BTC W80BTC 42 5 7 WHEEL SHAFT W60BTC W70BTC W80BTC 48 5 8 BRAKE AND WHEEL SHAFT W60BTC W70BTC W80BTC HIGH SPEED 52 5 9 DIFFERENTIAL SUPPORT 60 5 10 DIFFERENTIAL ASSY 68 5 11 PINION 75 6 TROUBLESHOOTING 81 7 SPECIAL TOOLS 84 SECTION 27 REAR AXLES 1 REMOVAL AND INSTALLATION 1 2 DIMENSIONS 3 3 TECHNICAL SPECIFICATIONS 7 4 OIL CHANGE 14 5 DISASSEMBLY AND ASSEMBLY 18 5 1 MOTOR TB150 18 5 2 MOT...

Страница 7: ... PRESSURE CHECK 13 7 2 ACCUMULATOR PRESSURE CHECK 14 7 3 PEDAL ANGLE ADJUSTMENT 15 7 4 INCHING VALVE ADJUSTMENT 16 8 TROUBLESHOOTING 17 SECTION 35 HYDRAULIC SYSTEM 1 HYDRAULIC DIAGRAMS 1 1 1 HYDRAULIC DIAGRAM FOR W50BTC 1 1 2 HYDRAULIC DIAGRAM FOR W50BTC WITH OPTIONAL OUTFITS 3 1 3 HYDRAULIC DIAGRAM FOR W60BTC 5 1 4 HYDRAULIC DIAGRAM FOR W60BTC WITH OPTIONAL OUTFITS 7 1 5 HYDRAULIC DIAGRAM FOR W70...

Страница 8: ...ICULATED JOINT 1 1 1 COMPONENTS 1 1 2 DISASSEMBLY AND ASSEMBLY 2 SECTION 41 STEERING SYSTEM 1 OPERATION 1 1 1 EMERGENCY STEERING 3 1 2 PRESSURE ADJUSTMENT 4 2 POWER STEERING 5 2 1 TECHNICAL SPECIFICATIONS 6 2 2 COMPONENTS 7 2 3 DISASSEMBLY AND ASSEMBLY 8 2 4 TROUBLESHOOTING 24 2 5 SPECIAL TOOLS 25 3 STEERING CYLINDER 26 3 1 REMOVAL AND INSTALLATION 27 3 2 DISASSEMBLY 29 4 TROUBLESHOOTING 34 SECTIO...

Страница 9: ...QUICK TOOL COUPLER 6 4 1 COMPONENTS 7 4 2 QUICK TOOL COUPLER CYLINDERS 8 5 BUCKET 9 5 1 ASSEMBLY 9 5 2 DISASSEMBLY 10 5 3 BUCKET TEETH REPLACEMENT 11 6 FORKS 13 6 1 DISASSEMBLY AND ASSEMBLY 14 6 2 CHECKS 15 7 CYLINDERS 17 7 1 BOOM CYLINDER 17 7 2 DUMPING CYLINDER 21 8 CONTROL VALVE 25 9 LOAD HOLDING VALVE 28 9 1 TECHNICAL SPECIFICATIONS 28 10 TROUBLESHOOTING 29 Find manuals at https best manuals c...

Страница 10: ...1 SAFETY INSTRUCTIONS 1 2 GENERAL SAFETY INSTRUCTIONS 2 3 TECHNICAL SPECIFICATIONS 12 SECTION 00 INTRODUCTION Find manuals at https best manuals com ...

Страница 11: ...SECTION 00 INTRODUCTION ...

Страница 12: ...ance with the warning preceded by the above mentioned key words WARNING and DANGER can cause serious accidents or even the death of the persons involved Moreover in the present Manual have been given some instructions with texts in italics preceded by the words NOTE and CAUTION with following meanings for machine protection NOTES it emphasizes and underlines to the opera tor the correct technique ...

Страница 13: ...uring machine maintenance unless he is a qualified operator helping with the maintenance work If it is necessary to move the equipment to carry out repairs or maintenance do not lift or lower the equip ment from any other position than the operator s seat Never carry out any operation on the machine when the engine is running except when specifically indi cated Stop the engine and ensure that all ...

Страница 14: ... for the job Z safety helmet Z safety shoes Z heavy gloves Z reflective clothing Z wet weather clothing If the environment conditions make it necessary the following personal safety equipment should be at hand Z respirators or dustproof masks Z ear plugs or acoustic ears protections Z goggles with lateral shield or masks for eyes pro tection Do not wear rings wristwatches jewels unbuttoned or flap...

Страница 15: ... in neutral position Immobilize the machine by means of the parking brake Stop the engine and remove the starter switch key Release the hydraulic pressure by operating the control levers in all directions Place some wedges under the wheels so as to pre vent the machine from moving Make sure that the door and the engine guard are correctly fastened and lock the operator s compart ment door Check th...

Страница 16: ...ools get caught in the fan blades or in the transmission belt this can cause amputa tions violent tears and generate condition of serious danger for this reason avoid touching or to come close to all rotary or moving parts A violent jet of the coolant from the radiator can cause damages and scalds If you are to check the coolant level you have to shut off the engine previously and to let cool down...

Страница 17: ... with in few hours to avoid serious infections Flammable splashes may originate because of the heat near pipes with fluids under pressure with the result of serious scalds for the persons hit Do not weld or use torches near pipes containing fluids or other flammable materials Pipes under pressure can accidentally be pierced when the heat expands beyond the area immediate ly heated Arrange for fire...

Страница 18: ...etely A hose with a frayed outer sheath will allow the water penetration Concealed corrosion of the wire rein forcement will subsequently occur along the hose length with resultant hose failure Ballooning of the hose indicates an internal leakage due to structural failure This condition rapidly deteri orates and total hose failure soon occurs Kinked crushed stretched or deformed hoses gen erally s...

Страница 19: ...Z INTERNAL avoid vomiting Drink water to rinse your mouth Consult a doctor Z EYES rinse abundantly with water for 15 minutes and consult a doctor Z When the electrolyte of a battery is frozen it can explode if you attempt to charge the battery or if you try to start the engine using a booster battery Always keep the battery charged to prevent the electrolyte freezing Provide good ventilation when ...

Страница 20: ...efilling of hy draulic oil or fuel Fuel or oil splashes can cause slipping and therefore accidents clean immediately and accurately the ar eas eventually smeared Always tighten the safety plugs of fuel tank and hy draulic oil tank firmly Never use fuel to clean the machine parts eventually smeared with oil or dust Use a non inflammable product for cleaning parts Always perform fuel or oil refillin...

Страница 21: ...the tyres Inflate tyres by means of a pistol complete with extension and pressure switch of control 2 9 CLEANING Clean the exterior of all components before carrying out any form of repair Dirt and dust can reduce the efficient working life of a component and lead to costly replacement Solvents should be checked that they are suitable for the cleaning of components and also that they do not risk t...

Страница 22: ...system oil Z coolant mixture condensation rests and pure anti freeze Z fuel Z oil and fuel filter elements Z air filter elements Z battery Also polluting rags paper sawdust and gloves must be disposed in compliance with the same proce dures Do not use food or beverage containers that may mislead someone into drinking from them Do not pour waste onto the ground down a drain or into any water source...

Страница 23: ...NENTS 1 Wheel loader bucket 2 Dumping cylinder 3 Lifting cylinder 4 Fuel tank 5 Cab 6 Hydraulic oil tank 7 Air filter 8 Diesel engine 9 Hydraulic pumps 10 Battery 11 Rear axle 12 Transmission 13 Steering cylinder 14 Front axle 15 Working attachment 16 Quick tool coupler ...

Страница 24: ... 2182 85 90 2250 88 60 2350 92 51 2350 92 51 J Track mm in 1480 58 26 1526 60 07 1526 60 07 1570 61 81 K Clearance from ground to axle mm in 330 13 330 13 330 13 330 13 L Rear overhang mm in 1203 47 36 1267 49 88 1267 49 88 1267 49 88 W Clearance from ground to drive shaft mm in 400 15 74 415 16 33 415 16 33 415 16 33 Operating weight with standard bucket kg lb 4615 10153 4920 10824 5430 11946 577...

Страница 25: ... in 1335 52 55 1315 51 77 1340 52 75 1390 54 72 F Outreach at maximum height mm in 600 23 62 580 22 83 610 24 01 587 23 11 G Outreach of coupler pin of bucket with forks mm in 1630 64 17 1630 64 17 1650 64 96 1700 66 92 H Coupler pin switch and centre of gravity mm in 340 13 38 340 13 38 340 13 38 340 13 38 Payload on level ground kg lb 1640 3608 1780 3916 2120 4664 2215 4873 Payload on rough grou...

Страница 26: ...erweight kg in 393 865 415 913 676 1487 786 1729 W50BTC W60BTC W70BTC W80BTC External noise level LWA 99 dB A 100 dB A Internal noise level LpA 75 dB A W50BTC W60BTC W70BTC W80BTC Iveco model F5C E9454 B A003 F5C E9454 C A001 F5C E9454 E A004 F5C E9454 G A001 Operation 4 stroke diesel engine Number of cylinders 4 Bore mm in 99 3 89 Stroke mm in 104 4 09 Total displacement cm3 in3 3202 195 36 Maxim...

Страница 27: ...8 50 Cylinder head 1st phase M12 65 47 94 Cylinder head 2nd phase M12 90 66 38 Cylinder head 3rd phase M12 60 44 25 Rocker shaft assy 25 18 43 Head cover 25 18 43 Valve adjusting nut 20 14 75 Suction manifold 25 18 43 Exhaust manifold 15 11 06 Heat exchanger 25 18 43 Drive shaft pulley 350 258 14 Flywheel 30 22 12 Injectors screw 25 18 43 Injectors nut 30 22 12 Fuel filter 25 18 43 Oil filter 25 1...

Страница 28: ... when closing Brake accumulator charge pressure switch Infeed pressure 80 bar 1160 psi Function bidirectional 3 8 STEERING SYSTEM System pressure 175 bar 2537 psi POWER STEERING Tightening torques W50BTC W60BTC W70BTC W80BTC Model OSPC200LS OSPC315LS Displacement cm3 rev in3 rev 200 12 20 315 19 22 Rated oil flow l min gal min 20 5 30 32 8 40 Weight kg lb 5 8 13 6 2 14 Relief valve adjustment bar ...

Страница 29: ...psi Secondary safety pressure dumping cylinder bottom side 280 bar 4059 psi Secondary safety pressure dumping cylinder rod side 250 bar 3625 psi Secondary safety pressure boom cylinder bottom side 280 bar 4059 psi W50BTC W60BTC W70BTC W80BTC Quantity 1 Ø rod mm in 32 1 25 40 1 57 Ø piston mm in 70 2 75 80 3 14 Stroke mm in 300 11 81 300 11 81 ...

Страница 30: ...2300 2300 2500 2500 Maximum oil delivery l min gal min 92 00 24 20 128 8 33 90 140 0 36 90 177 5 46 70 Supply pressure rotation speed at full load bar psi 25 362 27 391 27 391 27 391 Adjustment start bar psi 50 725 at 1100 rpm 50 725 at 1100 rpm 50 725 at 1100 rpm 50 725 at 1100 rpm Adjustment end bar psi 400 5801 at 1800 rpm 400 5801 at 1900 rpm 400 5801 at 1900 rpm 400 5801 at 1900 rpm Pressure ...

Страница 31: ...This as a preview PDF file from best manuals com Download full PDF manual at best manuals com ...

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