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Komatsu WA470-6, Shop Manual

The Komatsu WA470-6 is a powerful wheel loader designed for heavy-duty applications. To ensure proper maintenance and operation, make sure to download the free Shop Manual from manualshive.com. This comprehensive manual provides detailed instructions and diagrams to help you get the most out of your machine.

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FOREWORD

WA470-6, WA480-6

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WA470-6, WA480-6

Find manuals at https://best-manuals.com

Summary of Contents for WA470-6

Page 1: ...is our policy to improve our products whenever it is possible and practical to do so We reserve the right to make changes or improvements at any time without incurring any obligation to install such c...

Page 2: ...1 10 STRUCTURE FUNCTION AND MAINTENANCE STANDARD 10 1 20 STANDARD VALUE TABLES 20 1 30 TESTING AND ADJUSTING 30 1 40 TROUBLESHOOTING 40 1 50 DISASSEMBLY AND ASSEMBLY 50 1 60 AIR CONDITIONER 60 1 90 D...

Page 3: ...6 00 7 00 8 00 9 00 10 00 11 00 12 00 13 00 14 00 15 00 16 00 17 00 18 00 19 b 00 20 b 00 21 b 00 22 b 00 23 b 00 24 b 00 25 b 00 26 b 00 27 b 00 28 b 00 29 b 00 30 b 00 31 b 00 32 b 00 33 b 00 34 b...

Page 4: ...99 10 100 10 101 10 102 10 103 10 104 10 105 10 106 Mark Page Rev 10 107 10 108 10 109 10 110 10 111 10 112 c 10 113 10 114 10 115 10 116 10 117 10 118 10 119 10 120 10 121 10 122 10 123 10 124 10 12...

Page 5: ...10 227 10 228 10 229 10 230 10 231 10 232 10 233 10 234 10 235 10 236 10 237 10 238 Mark Page Rev 10 239 10 240 10 241 10 242 10 243 10 244 10 245 10 246 10 247 10 248 10 249 10 250 10 251 10 252 10 2...

Page 6: ...10 355 10 356 10 357 10 358 10 359 10 360 10 361 10 362 10 363 10 364 10 365 10 366 10 367 10 368 10 369 10 370 Mark Page Rev 10 371 10 372 10 373 10 374 10 375 10 376 10 377 10 378 10 379 10 380 20 1...

Page 7: ...101 30 102 30 103 30 104 30 105 30 106 30 107 30 108 Mark Page Rev 30 109 30 110 30 111 30 112 30 113 30 114 30 115 30 116 30 117 30 118 30 119 30 120 30 121 30 122 30 123 30 124 30 125 30 126 30 127...

Page 8: ...40 21 b 40 22 b 40 23 b 40 24 b 40 25 b 40 26 b 40 27 b Mark Page Rev 40 28 b 40 29 b 40 30 b 40 31 b 40 32 b 40 33 b 40 34 b 40 35 b 40 36 b 40 37 b 40 38 b 40 39 b 40 40 b 40 41 b 40 42 b 40 43 b 40...

Page 9: ...40 151 b 40 152 b 40 153 b 40 154 b 40 155 b 40 156 b 40 157 b 40 158 b 40 159 b Mark Page Rev 40 160 b 40 161 b 40 162 b 40 163 b 40 164 b 40 165 b 40 166 b 40 167 b 40 168 b 40 169 b 40 170 b 40 171...

Page 10: ...b 40 283 b 40 284 b 40 285 b 40 286 b 40 287 b 40 288 b 40 289 b 40 290 b 40 291 b Mark Page Rev 40 292 b 40 293 b 40 294 b 40 295 b 40 296 b 40 297 b 40 298 b 40 299 b 40 300 b 40 301 b 40 302 b 40...

Page 11: ...2 b 40 413 b 40 414 b 40 415 b 40 416 b 40 417 b 40 418 b 40 419 b 40 420 b 40 421 b 40 422 b 40 423 b Mark Page Rev 40 424 b 40 425 b 40 426 b 40 427 b 40 428 b 40 429 b 40 430 b 40 431 b 40 432 b 40...

Page 12: ...44 b 40 545 b 40 546 b 40 547 b 40 548 b 40 549 b 40 550 b 40 551 b 40 552 b 40 553 b 40 554 b 40 555 b Mark Page Rev 40 556 b 40 557 b 40 558 b 40 559 b 40 560 b 40 561 b 40 562 b 40 563 b 40 564 b 4...

Page 13: ...76 b 40 677 b 40 678 b 40 679 b 40 680 b 40 681 b 40 682 b 40 683 b 40 684 b 40 685 b 40 686 b 40 687 b Mark Page Rev 40 688 b 40 689 b 40 690 b 40 691 b 40 692 b 40 693 b 40 694 b 40 695 b 40 696 b 4...

Page 14: ...17 50 18 50 19 50 20 50 21 50 22 50 23 50 24 50 25 50 26 50 27 50 28 50 29 50 30 50 31 50 32 50 33 50 34 50 35 50 36 50 37 50 38 Mark Page Rev 50 39 50 40 50 41 50 42 50 43 50 44 50 45 50 46 50 47 50...

Page 15: ...156 50 157 50 158 b 50 159 50 160 50 161 50 162 50 163 50 164 50 165 50 166 50 167 50 168 50 169 50 170 Mark Page Rev 50 171 50 172 50 173 50 174 50 175 50 176 50 177 50 178 50 179 50 180 50 181 50 1...

Page 16: ...50 297 50 298 50 299 50 300 50 301 b 50 302 b Mark Page Rev 50 303 b 50 304 b 50 305 b 50 306 b 50 307 b 50 308 b 50 309 b 50 310 b 50 311 b 50 312 b 50 313 b 50 314 b 50 315 b 50 316 b 50 317 b 50 31...

Page 17: ...60 26 b 60 27 b 60 28 b 60 29 b 60 30 b 60 31 b 60 32 b 60 33 b 60 34 b 60 35 b 60 36 b 60 37 b 60 38 b 60 39 b 60 40 b 60 41 b 60 42 b 60 43 b 60 44 b 60 45 b 60 46 b 60 47 b 60 48 b 60 49 b 60 50 b...

Page 18: ...FOREWORD 00 2 16 1 WA470 6 WA480 6 12 MEMORANDA...

Page 19: ...o the ground If this is not possible insert the safety pin or use blocks to prevent the work equipment from falling In addition be sure to lock all the control levers and hang warning signs on them 3...

Page 20: ...le all parts again in their original places Replace any damaged part with new parts When installing hoses and wires be sure that they will not be damaged by contact with other parts when the machine i...

Page 21: ...structure but also serves as reference material for troubleshooting In addition this section gives the judgement standards when inspecting disassembled parts STANDARD VALUE TABLE This section explains...

Page 22: ...each item 3 Additional pages Additional pages are indicated by a hyphen and numbered after the page number File as in the example Example REVISED EDITION MARK 00 When a manual is revised an edition m...

Page 23: ...ith two or more ropes the force subjected to each rope will increase with the hanging angles The table below shows the variation of allowable load kg when hoist ing is made with two ropes each of whic...

Page 24: ...rarily is called the standard size and the range of difference from the standard size is called the tolerance The tolerance with the symbols of or is indicated on the right side of the standard size T...

Page 25: ...rference is in the standard range 4 Repair limit and allowable value or allowable dimension The size of a part changes because of wear and deformation while it is used The limit of changed size is cal...

Page 26: ...s wiring harnesses are more likely to be affected by the direct effects of rain water heat or vibration Furthermore during inspection and repair operations they are frequently removed and installed ag...

Page 27: ...the same time if water does enter it is difficult for it to be drained Therefore if water should get into the connector the pins will be short cir cuited by the water so if any water gets in immediate...

Page 28: ...nnectors apart Never pull with one hand B When removing from clips Both the connector and clip have stoppers which are engaged with each other when the connector is installed C When removing a connect...

Page 29: ...to make it too hot as this will cause short cir cuits If there is any damage or breakage replace the connector B Insert the connector securely Align the position of the connector correctly and then in...

Page 30: ...onnection Right figure A Push in female connector 2 horizontally until the lock clicks Arrow 1 B Since locks a and b may not be set completely push in female connector 2 while moving it up and down un...

Page 31: ...the risk that oil in the air may cause defective contact so remove all oil and water from the compressed air before blowing with air B Dry the inside of the connector with a dryer If water gets inside...

Page 32: ...lding on the body disconnect all wir ing harness connectors connected to the controller Attach an arc welding ground close to the welding point 6 Points to remember when troubleshooting electric circu...

Page 33: ...use unit exchange Disassembly and maintenance of hydraulic equipment should be car ried out in a specially prepared dustproof workshop and the perfor mance should be checked with special test equipmen...

Page 34: ...will mix with the new oil and will shorten the life of the hydraulic oil 6 Flushing operations After disassembling and assembling the equipment or changing the oil use flushing oil to remove the cont...

Page 35: ...ng to the following procedure 1 Slide lock L1 to the right 2 While pressing lock L2 pull out connector 1 toward you 3 Even if lock L2 is pressed connector 1 cannot be pulled toward you if part A does...

Page 36: ...3 in the direction of the arrow 114 engine see graphic 107 engine see graphic If the lock is on the underside use flat head screwdriver 1 since you cannot insert your fingers 2 While pressing up lock...

Page 37: ...ines 4 While pressing lock E of the connector pull out connector 5 in the direction of the arrow Injection pressure control valve of fuel supply pump PCV SUMITOMO 2 Speed sensor of fuel supply pump G...

Page 38: ...ccording to the following procedure A Turn housing H1 in the direction of the arrow When the connector is unlocked housing H1 becomes heavy to turn B Pull out housing H1 in the direction of the arrow...

Page 39: ...d hoses with tags to show their installation position to prevent any mistake when installing Check the number and thickness of the shims and keep in a safe place When raising components be sure to use...

Page 40: ...connecting wiring connectors clean the connector to remove all oil dirt or water then connect securely When using eyebolts check that there is no deformation or deterioration screw them in fully and a...

Page 41: ...ING SYSTEM Cylinder Head in the Disassembly and Assembly section 3 Checking engine piping for damage and looseness Intake and exhaust system Check the piping for damage the mounting bolts and nuts for...

Page 42: ...l flows out prepare an oil receiving container CONNECTION 00 1 Hold the hose adapter 1 or hose 5 and insert it in the mating adapter 3 aligning them with each other Do not hold the rubber cap portion...

Page 43: ...ce a of the hexagonal portion at the male end 2 Hold in the condition in Step 1 and turn the lever 4 to the right clockwise 3 Hold in the condition in Steps 1 and 2 and pull out the whole body 2 to di...

Page 44: ...tion at the male end 2 Hold in the condition in Step 1 and push until the cover 3 contacts surface a of the hexagonal portion at the male end 3 Hold in the condition in Steps 1 and 2 and pull out the...

Page 45: ...790 129 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 Po...

Page 46: ...ing 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 dis...

Page 47: ...7 34 19 91 25 07 10 17 59 74 43 51 54 57 12 19 98 123 72 28 90 72 14 22 153 190 112 84 140 13 16 24 235 285 173 32 210 20 18 27 320 400 236 02 295 02 20 30 455 565 335 59 416 72 22 32 610 765 449 91 5...

Page 48: ...7 50 6 04 22 27 58 9 98 1 44 4 72 4 05 24 32 107 9 166 7 79 6 123 0 06 30 36 147 1 205 9 108 5 151 9 10 33 41 147 1 245 1 108 5 180 8 12 36 46 196 2 294 2 144 7 217 0 14 42 55 245 2 343 2 180 9 253 1...

Page 49: ...mm mm Range Target 08 08 14 5 88 8 82 4 33 6 50 7 35 5 42 10 10 17 9 8 12 74 7 22 9 39 11 27 8 31 12 12 19 14 7 19 6 10 84 14 45 17 64 13 01 14 14 22 19 6 24 5 14 45 18 07 22 54 16 62 16 16 24 24 5 3...

Page 50: ...nal etc 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...

Page 51: ...This as a preview PDF file from best manuals com Download full PDF manual at best manuals com...

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