Komatsu WA500-3H, Shop Manual

Page 1: ...Please consult your local KOMATSU distributor for those items you may require Materials and specifications are subject to change without notice l WA500 3H mount the SA6D140E 3 engine For details of t...

Page 2: ...ke changes or add improvements at any time without incurring any obligation to install such changes on products sold previously Due to this continuous program of research and development periodic revi...

Page 3: ...D CONTENTS WA500 3H 00 3 12 00CONTENTS 01 GENERAL 01 1 10 STRUCTURE AND FUNCTION 10 1 20 TESTING ADJUSTING AND TROUBLESHOOTING 20 1 30 DISASSEMBLY AND ASSEMBLY 30 1 40 MAINTENANCE STANDARD 40 1 90 OTH...

Page 4: ...removed parts Always keep the tools and parts in their correct places Always keep the work area clean and make sure that there is no dirt or oil on the floor Smoke only in the areas provided for smoki...

Page 5: ...g the oil filler cap drain plug or hydraulic pressure measuring plugs loosen them slowly to prevent the oil from spurting out Before disconnecting or removing components of the oil water or air circui...

Page 6: ...e only the minimum of gasoline when washing electrical parts 9 Be sure to assemble all parts again in their original places Replace any damaged part with new parts When installing hoses and wires be s...

Page 7: ...cation charts STRUCTURE AND FUNCTION This section explains the structure and function of each component It serves not only to give an understanding of the structure but also serves as reference materi...

Page 8: ...ON AND UPDATING Any additions amendments or other changes will be sent to your distributors Get the most up to date information before you start any work 00FILING METHOD 1 See the page number on the b...

Page 9: ...s or other precautions for preserving standards are necessary when performing the work Weight Weight of parts or systems Cau tion necessary when selecting hoisting wire or when working posture is impo...

Page 10: ...he weight of parts to be hoisted referring to the table below The allowable load value is estimated to be 1 6 or 1 7 of the breaking strength of the rope used WARNING Heavy parts 25 kg or more must be...

Page 11: ...d to each rope will increase with the hanging angles The table below shows the variation of allowable load kg when hoisting is made with two ropes each of which is allowed to sling up to 1000 kg verti...

Page 12: ...9 9040 250 g Polyethylene container Used as sealant for machined holes Holtz MH 705 790 126 9120 75 g Tube Used as heat resisting sealant for repairing engine Three bond 1735 179 129 9140 2 g Polyethy...

Page 13: ...type Used as sealant for flywheel housing intake manifold oil pan thermostat housing etc Three bond 1211 790 129 9090 100 g Tube Used as heat resisting sealant for repairing engines Molybdenum disulph...

Page 14: ...ss flats mm mm Nm kgm 6 10 13 2 1 4 1 35 0 15 8 13 31 4 2 9 3 20 0 3 10 17 65 7 6 8 6 70 0 7 12 19 112 9 8 11 5 1 0 14 22 177 19 18 2 0 16 24 279 29 28 5 3 18 27 383 39 39 4 20 30 549 58 56 6 22 32 74...

Page 15: ...kgm 02 14 19 24 5 4 9 2 5 0 5 03 18 24 49 19 6 5 2 04 22 27 78 5 19 6 8 2 05 24 32 137 3 29 4 14 3 06 30 36 176 5 29 4 18 3 10 33 41 196 1 49 20 5 12 36 46 245 2 49 25 5 14 42 55 294 2 49 30 5 Thread...

Page 16: ...c 5 65 0 32 5 23 4 6 37 Charging and signal 15 84 0 45 13 36 7 0 59 Starting Glow plug 40 85 0 80 42 73 11 4 135 Starting 60 127 0 80 63 84 13 6 178 Starting 100 217 0 80 109 1 17 6 230 Starting Prior...

Page 17: ...the table so divide by 10 move the decimal one place to the left to convert it to 55 mm B Carry out the same procedure as above to convert 55 mm to 2 165 inches C The original value 550 mm was divided...

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