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Komatsu WA40-1 Wheel Loader Shop Manual 1001 and up – PDF DOWNLOAD
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Komatsu WA40-1 Wheel Loader Shop Manual
Book Code: SEBM03630101
MACHINE MODEL SERIAL No.
WA40-1 1001 and up
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Description
Komatsu WA40-1 Wheel Loader Shop Manual 1001 and up
FILE DETAILS:
Komatsu WA40-1 Wheel Loader Shop Manual
Brands: Komatsu
Equipment Type: Wheel Loader
Manuals Type: Shop Manual
Machine Model: WA40-1
Serial Number: 1001 and up
Book Code: SEBM03630101
Language: English
Pages: 345
File Format: Portable Document Format (PDF)
DESCRIPTION:
Komatsu WA40-1 Wheel Loader Shop Manual
FOREWORD:
- This shop manual has been prepared as an aid to improve the quality of repairs by giving the servicemen an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity.
- This shop manual mainly centains the necessary technical information for operations performed in a service workshop.
- For ease of understanding. the manual is divided into chapters for each main group of components; these chapters are further divided into the following sections.
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 material for troubleshooting.
TESTING AND ADJUSTING:
This section explains checks to be made before and after performing repairs, as well as adjustments to be made at completion of the checks and repairs. Troubleshooting charts correlating “Problems” to “Causes” are also included in this section.
DISASSEMBLY AND ASSEMBLY:
This section explains the order to be followed when removing. installing, disassembling or assembling each component, as well as precautions to be taken for these operations.
MAINTENANCE STANDARD:
This section gives the judgement standards when inspecting disassembled parts.
TABLE OF CONTENTS:
Komatsu WA40-1 Wheel Loader Shop Manual
COVER.................................................................. 1 CONTENTS............................................................... 2 01 GENERAL............................................................. 13 GENERAL VIEW....................................................... 14 GENERAL ASSEMBLY DRAWING........................................... 15 SPECIFICATIONS..................................................... 16 ENGINE ASSEMBLY DRAWING............................................ 18 ENGINE SPECIFICATIONS.............................................. 19 WEIGHT OF COMPONENT PARTS.......................................... 20 TABLE OF OIL AND COOLANT CAPACITIES................................ 21 10 ENGINE.............................................................. 22 11 STRUCTURE AND FUNCTION.......................................... 22 ENGINE MOUNT................................................... 23 RADIATOR....................................................... 24 FUEL CONTROL LINKAGE........................................... 25 FUEL PIPING.................................................... 26 FUEL PIPING (OPTION)........................................... 27 13 DISASSEMBLY AND ASSEMBLY........................................ 28 STARTING MOTOR................................................. 29 REMOVAL.................................................... 29 INSTALLATION............................................... 29 STARTING MOTOR (OPTION)........................................ 30 REMOVAL.................................................... 30 INSTALLATION............................................... 30 ALTERNATOR..................................................... 31 REMOVAL.................................................... 31 INSTALLATION............................................... 31 FUEL INJECTION PUMP............................................ 32 REMOVAL.................................................... 32 INSTALLATION............................................... 35 FUEL INJECTION PUMP (OPTION)................................... 39 REMOVAL ................................................... 39 INSTALLATION............................................... 42 NOZZLE HOLDER.................................................. 46 REMOVAL.................................................... 46 INSTALLATION............................................... 46 WATER PUMP..................................................... 47 REMOVAL.................................................... 47 INSTALLATION............................................... 48 WATER PUMP (OPTION)............................................ 49 REMOVAL.................................................... 49 INSTALLATION............................................... 50 CYLINDER HEAD.................................................. 51 REMOVAL.................................................... 51 INSTALLATION............................................... 55 CYLINDER HEAD (OPTION)......................................... 60 REMOVAL.................................................... 60 INSTALLATION............................................... 64 RADIATOR....................................................... 69 REMOVAL.................................................... 69 INSTALLATION............................................... 69 ENGINE,TRANSMISSION............................................ 70 REMOVAL.................................................... 70 INSTALLATION............................................... 77 ENGINE,TRANSMISSION (OPTION)................................... 85 REMOVAL.................................................... 85 INSTALLATION............................................... 92 ENGINE AND TRANSMISSION........................................100 SEPARATION.................................................100 CONNECTION.................................................100 20 POWER TRAIN.........................................................101 21 STRUCTURE AND FUNCTION..........................................101 TRANSMISSION SYSTEM............................................102 1.SCHEMATIC OF TRANSMISSION SYSTEM.........................102 2.TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM...................103 3.SCHEMATIC OF TRANSMISSION SYSTEM (OPTION)................104 4.TRANSMISSION HYDRAULIC CIRCUIT DIAGRAM (OPTION)..........105 5.TRANSMISSION.............................................106 6.TRANSMISSION PUMP........................................112 7.TRANSFER.................................................113 8.TRANSMISSION CONTROL VALVE...............................114 9.TRANSMISSION CONTROL LINKAGE.............................118 10.TRANSMISSION CONTROL LINKAGE (OPTION)...................119 11.TRANSMISSION OIL COOLER HYDRAULIC PIPING................120 DRIVE SYSTEM...................................................121 1.DRIVE SHAFT..............................................121 2.AXLE.....................................................122 3.AXLE (OPTION)............................................124 4.WHEEL....................................................126 5.WHEEL (OPTION)...........................................127 23 DISASSEMBLY AND ASSEMBLY........................................128 TRANSMISSION PUMP..............................................129 REMOVAL....................................................129 INSTALLATION...............................................129 TRANSMISSION PUMP (OPTION).....................................130 REMOVAL....................................................130 INSTALLATION...............................................130 TRANSMISSION...................................................131 DISASSEMBLY (1/2)..........................................131 DISASSEMBLY (2/2)..........................................138 TRANSMISSION...................................................148 ASSEMBLY (1/2).............................................148 ASSEMBLY (2/2).............................................161 SELECTOR AND INCHING VALVE.....................................170 REMOVAL....................................................170 INSTALLATION...............................................170 SELECTOR AND INCHING VALVE (OPTION)............................171 REMOVAL....................................................171 INSTALLATION...............................................171 SELECTOR AND INCHING VALVE.....................................172 DISASSEMBLY................................................172 ASSEMBLY...................................................174 MODULATING VALVE...............................................177 REMOVAL....................................................177 INSTALLATION...............................................177 DISASSEMBLY................................................178 ASSEMBLY...................................................179 FRONT AXLE.....................................................180 REMOVAL....................................................180 INSTALLATION...............................................180 REAR AXLE......................................................181 REMOVAL....................................................181 INSTALLATION...............................................181 REAR AXLE (OPTION).............................................182 REMOVAL....................................................182 INSTALLATION...............................................182 AXLE...........................................................183 DISASSEMBLY................................................183 ASSEMBLY...................................................188 AXLE (OPTION)..................................................198 DISASSEMBLY................................................198 ASSEMBLY...................................................203 24 MAINTENANCE STANDARD............................................213 TRANSMISSION...................................................214 TRANSMISSION CONTROL VALVE.....................................216 TRANSMISSION PUMP..............................................218 DRIVE SHAFT....................................................219 AXLE...........................................................220 AXLE (OPTION)..................................................221 40 STEERING SYSTEM.....................................................222 41 STRUCTURE AND FUNCTION..........................................222 STEERING SYSTEM................................................223 1.STEERING PIPING..........................................223 2.STEERING WHEEL...........................................224 3.STEERING PUMP............................................225 4.STEERING VALVE...........................................226 5.STEERING CYLINDER........................................235 6.CENTER HINGE PIN.........................................236 STEERING SYSTEM (OPTION).......................................237 1.SCHEMATIC OF STEERING SYSTEM.............................237 2.STEERING CIRCUIT DIAGRAM.................................238 3.STEERING VALVE ASSEMBLY..................................239 43 DISASSEMBLY AND ASSEMBLY........................................244 STEERING PUMP..................................................245 REMOVAL....................................................245 INSTALLATION...............................................245 STEERING PUMP (OPTION).........................................246 REMOVAL....................................................246 INSTALLATION...............................................246 STEERING VALVE.................................................247 REMOVAL....................................................247 INSTALLATION...............................................247 STEERING VALVE (OPTION)........................................248 REMOVAL....................................................248 INSTALLATION...............................................248 STEERING CYLINDER..............................................249 REMOVAL....................................................249 INSTALLATION...............................................249 44 MAINTENANCE STANDARD............................................250 STEERING WHEEL.................................................251 CENTER HINGE PIN...............................................252 50 BRAKE SYSTEM........................................................253 51 STRUCTURE AND FUNCTION..........................................253 BRAKE SYSTEM...................................................254 1.BRAKE AND INCHING CONTROL LINKAGE........................254 2.BRAKE AND INCHING CONTROL LINKAGE (OPTION)...............255 3.BRAKE MASTER CYLINDER....................................257 4.BRAKE MASTER CYLINDER (OPTION)...........................259 5.CENTER BRAKE.............................................261 6.WHEEL BRAKE (OPTION).....................................262 7.PARKING BRAKE CONTROL LINKAGE............................263 53 DISASSEMBLY AND ASSEMBLY........................................265 PARKING BRAKE..................................................266 REMOVAL....................................................266 INSTALLATION...............................................267 PARKING BRAKE (OPTION).........................................268 REMOVAL....................................................268 INSTALLATION...............................................269 BRAKE MASTER CYLINDER..........................................270 REMOVAL....................................................270 INSTALLATION...............................................270 BRAKE MASTER CYLINDER (OPTION).................................271 REMOVAL....................................................271 INSTALLATION...............................................271 BRAKE CALIPER (OPTION).........................................272 REMOVAL....................................................272 INSTALLATION...............................................272 DISASSEMBLY................................................273 ASSEMBLY...................................................273 54 MAINTENANCE STANDARD............................................274 CENTER BRAKE...................................................275 60 WORK EQUIPMENT SYSTEM...............................................276 61 STRUCTURE AND FUNCTION..........................................276 HYDRAULIC UNITS................................................277 WORK EQUIPMENT SYSTEM..........................................278 1.WORK EQUIPMENT HYDRAULIC PIPING..........................278 2.SCHEMATIC OF WORK EQUIPMENT AND STEERING SYSTEM..........279 3.WORK EQUIPMENT AND STEERING HYDRAULIC CIRCUIT DIAGRAM....280 4.WORK EQUIPMENT PUMP......................................281 5.OIL FILTER...............................................282 6.WORK EQUIPMENT CONTROL VALVE.............................283 7.HYDRAULIC CYLINDER.......................................289 8.WORK EQUIPMENT CONTROL LINKAGE...........................290 63 DISASSEMBLY AND ASSEMBLY........................................294 MAIN CONTROL VALVE.............................................295 REMOVAL....................................................295 INSTALLATION...............................................296 DISASSEMBLY................................................297 ASSEMBLY...................................................299 LIFT CYLINDER..................................................301 REMOVAL....................................................301 INSTALLATION...............................................301 LIFT CYLINDER (OPTION).........................................302 REMOVAL....................................................302 INSTALLATION...............................................302 DUMP CYLINDER..................................................303 REMOVAL....................................................303 INSTALLATION...............................................303 HYDRAULIC CYLINDER.............................................304 DISASSEMBLY................................................304 ASSEMBLY...................................................306 WORK EQUIPMENT ...............................................309 REMOVAL....................................................309 INSTALLATION...............................................309 DISASSEMBLY................................................310 ASSEMBLY...................................................310 64 MAINTENANCE STANDARD............................................311 HYDRAULIC PUMP.................................................312 WORK EQUIPMENT CONTROL VALVE...................................313 HYDRAULIC CYLINDER.............................................315 WORK EQUIPMENT.................................................317 BUCKET.........................................................319 80 ELECTRIC AND ELECTRONIC SYSTEM......................................320 81 STRUCTURE AND FUNCTION..........................................320 ELECTRIC WIRING DIAGRAM........................................321 ELECTRIC WIRING DIAGRAM (OPTION)...............................322 ELECTRIC CIRCUIT DIAGRAM.......................................323 ELECTRIC CIRCUIT DIAGRAM (OPTION)..............................324 90 OTHERS..............................................................325 91 STRUCTURE AND FUNCTION..........................................325 OPERATOR'S CAB (OPTION)........................................326 OPERATOR'S CAB HEATER (OPTION).................................329 93 DISASSEMBLY AND ASSEMBLY........................................330 INSTRUMENT PANEL,FRAME.........................................331 REMOVAL....................................................331 INSTALLATION...............................................334 INSTRUMENT PANEL,FRAME (OPTION)................................337 REMOVAL....................................................337 INSTALLATION...............................................341 CAB (OPTION)...................................................345 REMOVAL....................................................345 INSTALLATION...............................................345
KOMATSU WA40-1 WHEEL LOADER SHOP MANUAL 1001 AND UP – PDF DOWNLOAD:
IMAGES PREVIEW OF THE MANUAL:
PLEASE NOTE:
- This is the SAME exact manual used by your dealers to fix your vehicle.
- The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
- Any queries / doubts regarding your purchase, please feel free to contact [email protected]
