Yanmar V3-3.V4-3 US Wheel Loader Service Manual – PDF DOWNLOAD
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Yanmar V3-3.V4-3 US Wheel Loader Service Manual – PDF DOWNLOAD
- Correct work meaпs the completion of the job as fast as possiЫe according to the correct procedures and the specified staпdards.
- lt is important when conducting certain operations always to Ьеаг in mind the equipment, tools, gauges.
- materials, oi! апd grease, etc. that you must have ready, as well as items 10 Ье checked, adjusted, or disassemЫed, and cautions to watch out for. 1-2 Safety Precautions (1) Never attempt servicing while engine is running or immediately after stopping operation. (2)
- Wear work cloths, safety shoes and helmet. (3) Check the equipment and too!s before use. Especially, Ье sure to check the crane, !ifting equipment and tooJs. (4) When working together with other persons, a!!ocate everyone’s share of job, arrange the signa!s and act in concert with the other persons.
- (5) The operation of the crane and slinging work must Ье performed Ьу qualified per- 8 sons. (6) Do not enter or pass under the raised load. (7) Lift and support the massive parts Ьу crane before removing the insta11ation bo!ts. (8) Disconnect саЫеs from battery before repairing the electric system.
- (9) Remove the battery when welding the machine. 1-3 Preparations (1) Check the service record of the machine. (That is, check how many months or hours the machine has Ьееп used since the preceding overhaul, what was the trouЫe then 8 and what parts were replaced.) (2) Have all servicing too!s ready, i.e., tools, measuring devices (which have received periodic maintenance), containers. oil & grease. etc. (3) Have the service literature (operation manual, parts catalog, etc.) ready
TABLE OF CONTENTS:
Yanmar V3-3.V4-3 US Wheel Loader Service Manual – PDF DOWNLOAD
V3-3.V4-3(US)......................................................... 1 FOREWORD.............................................................. 2 CONTENTS.............................................................. 3 1 GENERAL CAUTIONS FOR MAINTENANCE WORK............................... 5 1-1 Correct Work.................................................. 6 1-2 Safety Precautions............................................ 6 1-3 Preparations.................................................. 6 1-4 Cautions for Disassembly and Reassembly....................... 6 1-5 Cautions for Attaching and Detaching Hydraulic Equipment...... 7 1-6 Cautions for Attaching and Detaching Hydraulic Piping......... 7 1-7 Cautions for Handling Seals................................... 7 1-8 Correct Installation of Hydraulic Hose........................ 8 1-9 Specifications of Hydraulic Hose.............................. 10 2 TECHNICAL DATA...................................................... 13 2-1 Name of Parts................................................. 14 2-2 Specifications................................................ 15 2-3 Dimensions.................................................... 24 2-4 Recommended Fuel,Lubricant and Coolant........................ 26 2-5 Periodic Checks and Maintenance............................... 27 2-6 Power Train................................................... 29 2-7 Hydraulic Circuit Diagram..................................... 32 2-8 Wiring Diagram................................................ 34 2-9 Bolt/Nut Tightening Torque(Machine Side)...................... 35 2-10 Testing Data................................................. 36 2-11 Service Standard............................................. 41 3 ENGINE.............................................................. 45 3-1 Measurement,Inspection and Adjustment......................... 46 3-2 Measuring Process,Service Data and Corrective Action.......... 56 3-3 Precautions Reassembly........................................ 83 3-4 Fuel Supply System............................................ 87 3-5 Electrical Equipment.......................................... 96 4 AXLE................................................................100 4-1 Sectional View & Parts Name...................................101 4-2 Service Standard..............................................105 4-3 Disassembly and Reassembly of Diff. Carrier for Model V3-3....110 4-4 Disassembly and Reassembly of Diff. Carrier for Model V4-3....112 4-5 Disassembly and Reassembly of Pinion Assembly................114 4-6 Inspection & Adjustment.......................................116 5 TRANSFER & BRAKE....................................................120 5-1 Sectional View,Parts Name and Service Standard................121 5-2 Disassembly and Reassembly of Transfer & Brake................122 6 HST (HYDROSTATIC TRANSMISSION)......................................124 6-1 Specifications................................................125 6-2 HST Main Hydraulic Pump.......................................127 6-3 Hydraulic Motor...............................................134 6-4 HST with Automotive Control Device............................137 6-5 Gear Pump.....................................................142 6-6 Line Filter of Hydraulic Oil..................................143 6-7 Cautions for Servicing the HST................................143 6-8 Troubleshooting of HST........................................145 6-9 Inspection Procedures.........................................148 7 CONTROL VALVE.......................................................154 7-1 Structure.....................................................155 7-2 Specifications................................................155 7-3 Pressure Measurement and Adjustment Procedures................156 8 HYDRAULIC CYLINDER..................................................158 8-1 Sectional View & Parts Names..................................159 8-2 Disassembly and Reassembly....................................160 8-3 Testing After Reassembly......................................163 9 MACHINE CONTROL DEVICE..............................................164 9-1 Accel,Pedal...................................................165 9-2 Brake Pedal...................................................167 9-3 Parking Brake.................................................169 9-4 Inching Brake.................................................170 9-5 Operation Lever...............................................172 10 STEERING SYSTEM....................................................173 10-1 Specifications...............................................174 10-2 Structure....................................................174 10-3 Function.....................................................176 10-4 Adjustment of Relief Pressure................................178 11 HYDRAULIC PIPING LAYOUT............................................179 11-1 For Work Implement...........................................180 11-2 For HST......................................................181 12 ELECTRIC SYSTEM....................................................182 12-1 Layout of Electrical Parts...................................183 12-2 Wire Harness.................................................184 13 TROUBLESHOOTING....................................................185 13-1 Reading the Charts...........................................186
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- This is the same manual used by the dealers inorder to diagnose your vehicle of its faults.
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