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Summary of Contents for New Holland W50BTC
- Page 1 COMPACT WHEEL LOADER W50BTC W60BTC W70BTC W80BTC TIER 3 SERVICE MANUAL 87734623A NA Issued 01May 08 www.newhollandconstruction.com...
- Page 2 SERVICE MANUAL COMPACT WHEEL LOADER W50BTC W60BTC W70BTC W80BTC TIER 3 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...
- Page 3 Applicable Machines Remarks First Edition 01May 08 W50BTC, W60BTC, W70BTC & W80BTC Tier 3 Compact Wheel Loader 87734623A NA Any use of editorial or pictorial content is strictly prohibited without express written permission from CNH America LLC. Carol Stream, IL 60188 U.S.A.
- Page 4 Z W50BTC - W60BTC - W70BTC - W80BTC cedures connection, disconnection, Repair Manual for “Wheel loaders”...
- Page 5 TO PREVENT ACCIDENTS The majority of accidents and injuries which occur in industry, on the farm, at home or on the road, are caused by the failure of some individual to follow simple and fundamental safety rules or precautions. For this reason MOST ACCIDENTS CAN BE PREVENTED by recognizing the real cause and taking the necessary precautions, before the accident occurs.
- Page 6 5. DISASSEMBLY AND ASSEMBLY......................12 5.1 DISC BRAKE ASSY..........................12 5.2 BRAKE CALIPER ..........................19 5.3 REDUCTION GEAR (W50BTC) ......................27 5.4 REDUCTION UNIT (W60BTC, W70BTC, W80BTC) ................30 5.5 WHEEL HUB (W50BTC)........................33 5.6 WHEEL HUB (W60BTC, W70BTC, W80BTC) ..................42 5.7 WHEEL SHAFT (W60BTC, W70BTC, W80BTC) ................
- Page 7 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 W70BTC ....................
- Page 8 INDEX 4. GEAR PUMP .............................. 58 4.1 TECHNICAL SPECIFICATIONS......................58 4.2 COMPONENTS ........................... 59 4.3 DISASSEMBLY AND ASSEMBLY....................... 60 5. PRIORITY VALVE ............................63 5.1 TECHNICAL SPECIFICATIONS......................63 6. TRAVEL MOTOR............................64 6.1 TECHNICAL SPECIFICATIONS......................64 6.2 MAIN COMPONENTS ......................... 65 6.3 OPERATION............................
- Page 9 INDEX 3. VOLTAGE AND CONTINUITY CHECK ...................... 20 4. BATTERY..............................21 4.1 REPLACEMENT ..........................23 5. BULBS ................................ 24 6. TROUBLESHOOTING ..........................28 SECTION 82 - WORKING EQUIPMENT 1. HYDRAULIC DIAGRAM..........................2 2. OPERATION ..............................3 3. REMOVAL AND INSTALLATION ......................... 4 4.
- Page 10 SECTION 00 - INTRODUCTION 1. SAFETY INSTRUCTIONS ..........................1 2. GENERAL SAFETY INSTRUCTIONS......................2 3. TECHNICAL SPECIFICATIONS......................... 12 Find manuals at https://best-manuals.com...
- Page 11 SECTION 00 - INTRODUCTION...
- Page 12 SECTION 00 - INTRODUCTION SAFETY INSTRUCTIONS Carefully read the safety rules contained herein and follow advised precautions to avoid potential haz- ards and to safeguard your safety and personal in- tegrity. In this manual you will find the following indications: WARNING This symbol warns about the possibility of potential damages to the machine that can involve the opera-...
- Page 13 SECTION 00 - INTRODUCTION GENERAL SAFETY INSTRUCTIONS Carefully read this Manual before proceeding with maintenance, repairs, refuelling or other machine operations. Repairs have to be carried out only by authorized and instructed staff; specific precautions have to be taken when grinding, welding or when using mallets or heavy hammers.
- Page 14 SECTION 00 - INTRODUCTION EMERGENCY Be prepared for emergencies. Always keep at dis- posal on the machine a first aid kit and a fire extin- guisher. Make sure that the fire extinguisher is serviced in accordance with the manufacturer’s in- structions.
- Page 15 SECTION 00 - INTRODUCTION PLACING THE MACHINE IN SAFE CONDITIONS Before carrying out any repair operation on this ma- chine, place it in safe conditions. Move the machine to a level and firm ground, away from any soft ground, excavations or poorly shored cavity.
- Page 16 SECTION 00 - INTRODUCTION ENGINE - RADIATOR Never leave the engine run in closed spaces without ventilation and not able to evacuate toxic exhaust gases. Keep the exhaust manifold and tube free from combustion materials. Do not refuel with the engine running, especially if hot, as this increases fire hazard in case of fuel spill- age.
- Page 17 SECTION 00 - INTRODUCTION HYDRAULIC SYSTEMS Splashes of fluids under pressure can penetrate the skin causing serious injuries. Avoid this hazard by relieving pressure before dis- connecting hydraulic or other lines. Relieve the residual pressure by moving the hydrau- lic control levers several times. Tighten all connections before applying pressure.
- Page 18 SECTION 00 - INTRODUCTION HOSES AND TUBES Always replace hoses and tubes if the cone end or the end connections on the hose are damaged. When installing a new hose, loosely connect each end and make sure the hose takes up the designed position before tightening the connections.
- Page 19 SECTION 00 - INTRODUCTION BATTERY Batteries give off explosive gases. Never handle naked flames and unshielded light sources near batteries, never smoke. To prevent any risk of explosion, observe the follow- ing instructions: Z when disconnecting the battery cables, always dis- connect the negative (-) cable first;...
- Page 20 SECTION 00 - INTRODUCTION FLAMMABLE LIQUIDS When handling flammable liquids: Z do not smoke; Z keep away from unshielded light sources and na- ked flames. Fuels often have a low flash point and are readily ig- nited. Never attempt to extinguish burning liquids with wa- ter.
- Page 21 SECTION 00 - INTRODUCTION TYRES Before inflating the tyres, always check the condition of rims and the outer condition of tyres to find out the presence of dents, cuts, tears of reinforcement plies or other faults. Before inflating a tyre, make sure that there are no nearby persons, then position yourself at tread side.
- Page 22 SECTION 00 - INTRODUCTION 2.10 WASTE DISPOSAL Improperly disposing of waste can threaten the envi- ronment. Each country has its own Regulations on this sub- ject. It is therefore advisable to prepare suitable con- tainers to collect and store momentarily all solid and fluid materials that must not be scattered in the envi- ronment to avoid pollution.
- Page 23 SECTION 00 - INTRODUCTION TECHNICAL SPECIFICATIONS MAIN COMPONENTS 1. Wheel loader bucket 9. Hydraulic pumps 2. Dumping cylinder 10. Battery 3. Lifting cylinder 11. Rear axle 4. Fuel tank 12. Transmission 5. Cab 13. Steering cylinder 6. Hydraulic oil tank 14.
- Page 24 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) 5770 (12695) BUCKET - PERFORMANCE W50BTC W60BTC W70BTC W80BTC Standard bucket capacity (24.7) (28.2) (35.3) (38.8) Tensile force...
- Page 25 Operating weight 4655 4895 5370 5690 (lb) (10241) (10769) (11814) (12518) LIFTING LOADS W50BTC W60BTC W70BTC W80BTC At L1 = 500 mm (19.68 in) 1600 1700 1950 2250 (lb) (3520) (3740) (4290) (4950) At L2 = 800 mm (31.49 in)
- Page 26 SECTION 00 - INTRODUCTION WEIGHTS W50BTC W60BTC W70BTC W80BTC Engine kg (in) 300 (660) Front axle kg (in) 230 (506) 318 (700) Rear axle (gearbox included) kg (in) 312 (686) 251 (552) 315 (693) and travel motor kg (in) 470 (1034)
- Page 27 SECTION 00 - INTRODUCTION TIGHTENING TORQUES Component Tightening torque (Nm) (lbf·ft) Oil pan plug 50 (36.87) 1/8 G plug (crankcase) 40 (29.50) 3/8 G plug (crankcase) 15 (11.06) Water drain plug (crankcase) 40 (29.50) Inspection covers 25 (18.43) Timing gearbox cover 25 (18.43) Timing gearbox 25 (18.43)
- Page 28 Function ............................when closing Brake accumulator charge pressure switch Infeed pressure ........................80 bar (1160 psi) Function ............................bidirectional STEERING SYSTEM System pressure ........................175 bar (2537 psi) POWER STEERING W50BTC - W60BTC - W80BTC W70BTC Model OSPC200LS OSPC315LS Displacement 200 (12.20) 315 (19.22)
- Page 29 SECTION 00 - INTRODUCTION STEERING CYLINDER 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) 300 (11.81) HYDRAULIC SYSTEM PRESSURE ADJUSTMENT Working attachment Primary safety pressure ......................
- Page 30 SECTION 00 - INTRODUCTION VARIABLE-DISPLACEMENT PUMP W50BTC W60BTC W70BTC W80BTC System Pump with adjustment depending on engine rpm AV4VG40DA1D2 A4VG56DA1D2 A4VG56DA1D2 A4VG71DA1D2 Model / 32R / 32R / 32R / 32R /rev 56.0 56.0 71.0 Displacement (2.44) (3.41) (3.41) (4.33)
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