Komatsu WF450-3 WF450T-3 Trash Compactor Shop Manual VEBM080100 – PDF DOWNLOAD

Description

Komatsu WF450-3 WF450T-3 Trash Compactor Shop Manual VEBM080100 – PDF DOWNLOAD

IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:

Komatsu WF450-3 WF450T-3 Trash Compactor Shop Manual VEBM080100 – PDF DOWNLOAD

SERIAL NUMBER
WF450-3 W078-54101 AND UP
WF450T-3 W077-54101 AND UP

Precautions during work:

TABLE OF CONTENTS:

Komatsu WF450-3 WF450T-3 Trash Compactor Shop Manual VEBM080100 – PDF DOWNLOAD

WF450-3 / WF450T-3 1
CONTENTS 3
00 SAFETY 5
Safety notice 6
Preparations for work 7
Precautions during work 8
Foreword 10
How to read the shop manual 11
Volumes 11
Distribution and updating 11
Filing method 11
Symbols 12
Hoisting instructions 13
01 GENERAL 15
Specifications 16
WF450-3 16
WF450T-3 18
Weight table 20
10 STRUCTURE AND FUNCTION 21
Power train 24
Transmission 26
Transmission solenoid valve 31
Axle 33
Front axle 33
Rear axle 34
Differential 35
Front differential 35
Rear differential 35
Final drive 39
Axle mount, center hinge pin 41
Steering piping 42
Brake piping 45
Brake 47
Parking brake 49
Hydraulic component layout 53
Work equipment lever linkage 54
WF450T-3 54
WF450-3 55
Hydraulic tank 56
PPC valve 57
WF450T-3 57
WF450-3 59
Operation of PPC valve [at neutral] 61
Function of PPC valve 62
Cut-off valve 65
WF450-3 65
Operation of cut-off valve 66
Main control valve 67
WF450T-3 67
WF450-3 69
Main relief valve 71
Safety valve (with suction) 73
Operation 73
Suction valve 74
Float selector valve and unload valve 75
WF450-3 75
Operation – WF450T-3 76
Operation – WF450-3 80
Bucket positioner and boom kick-out 86
WF450-3 86
Operation of proximity switch 86
Operation of proximity switch 89
Air conditioner 91
Air conditioner piping 91
Machine monitor system 92
Main monitor 93
Main monitor display function 94
Main monitor switch function 95
Preheating output function 96
Trouble data display mode (When optional controller are installed) 97
Maintenance monitor 98
Maintenance monitor display function 99
Engine starting circuit 102
Engine stop circuit 103
Preheating circuit 104
(Automatic preheating system) 104
Electric transmission control 106
WF450T-3 106
WF450-3 107
Combination switch 108
Kick-down switch 111
WF450-3 111
Kick-down switch 111
Kick-down electric circuit diagram 112
WF450-3 112
Normal operation 112
Kick-down switch operated (case I) 114
Canceling actuation of kick-down switch (Case I) 116
Canceling actuation of kick-down switch (Case II) 118
Canceling actuation of kick-down switch (Case III) 120
Standard value table for engine 124
Standard value table for chassis 125
Standard value table for electrical parts 130
20 TESTING AND ADJUSTING 121
Tools for testing, adjusting, and troubleshooting 135
Testing steering wheel 137
Measuring play of steering wheel 137
Measuring operating force of steering wheel 138
Measuring operating time for steering wheel 139
Testing and adjusting steering control 140
Measuring steering oil pressure 141
Testing and adjusting accumulator charge pressure 143
Testing drop in wheel brake oil pressure 145
Measuring brake disc wear 147
Bleeding air from brake system 149
Measuring parking brake performance 150
Testing and adjusting work equipment hydraulic pressure 151
WF450T-3 151
Measuring PPC hydraulic pressure 153
WF450T-3 153
Measuring work equipment 155
WF450T-3 155
Measuring hydraulic drift of work equipment 156
WF450T-3 156
Adjusting main monitor (speedometer module) 157
20 TROUBLESHOOTING 161
Outline 162
20 TROUBLESHOOTING OF HYDRAULICAL AND MECHANICAL SYSTEM (H MODE) 165
Work Equipment – WF450T-3 167
H-1 Blade does not rise 167
H-2 Blade movement is slow or blade lacks lifting power 168
H-3 When blade is raised, it moves slowly at a certain height 169
H-4 Blade cannot be pushed with lift cylinder (blade floats) 169
H-5 Excessive hydraulic drift of blade 169
H-6 Blade and straight frame shake during operation 170
H-7 Blade drops momentarily when control lever is operated from HOLD to RAISE 170
H-8 Blade does not tilt 171
H-9 Blade movement is slow or tilt lacks power 172
H-10 Blade movement becomes slow during tilt operation 173
H-11 Blade cannot be pushed with tilt cylinder 173
H-12 Excessive hydraulic drift of blade 173
H-13 Blade shakes during loading operation (main control valve at HOLD) 174
H-14 Blade tilts momentarily to left when control lever is operated from HOLD to RIGHT TILT 174
H-15 Blade control lever is heavy or does not move smoothly 175
Steering system 176
H-16 Steering does not turn 176
H-17 Steering wheel is heavy 177
H-18 Steering wheel wobbles or there is excessive shock 178
H-19 Machine steers to one side when traveling 179
H-20 Turning radius to left and right is different 179
30 DISASSEMBLY AND ASSEMBLY 181
Special tool list 183
Removal and installation of rear axle assembly 186
Removal and installation of hydraulic pump, PPC pump assembly 187
WF450-3 187
WF450T-3 187
Disassembly and assembly of hydraulic cylinder assembly 188
WF450-3 188
WF450T-3 188
Main control valve assembly 189
Removal 189
Installation 190
Fuel tank 191
Removal 191
Installation 193
Radiator, oil cooler assembly 194
Removal 194
Installation 196
Engine hood assembly 197
Removal 197
Installation 198
Lift cylinder assembly 199
Removal 199
Installation 200
Tilt cylinder assembly 201
Removal 201
Installation 202
Work equipment assembly 203
Removal 203
Installation 206
Assembly 212
Front axle assembly 217
Removal (WF450-3) 217
Installation (WF450-3) 219
Removal (WF450T-3) 220
Installation (WF450T-3) 222
Removal and installation of rear axle assembly 223
Front differential assembly 224
Removal 224
Installation 225
Differential Assembly 226
Disassembly 226
Assembly 231
40 MAINTENANCE STANDARD 243
Engine mount, transmission mount 245
Torque converter 246
Transmission 248
(1/2) 248
(2/2) 250
Forward, 1st clutch 252
2nd, reverse clutch 253
3rd, 4th clutch 254
Transmission control valve 255
Modulation valve assembly 255
Upper valve assembly 256
Lower valve assembly 258
Flow valve 260
Accumulator valve 261
Drive shaft 262
Differential 263
Limited slip differential 264
Final drive 265
Axle mount 266
Center hinge pin 268
Steering column 270
Steering valve 271
Steering cylinder mount 272
Slack adjuster 273
Brake valve 274
Left 274
Right 275
Brake 276
Parking brake 277
Torque converter, transmission pump 278
SAR(3) – 100 278
Steering, switch pump 279
SAR(3)71 + 50 279
Hydraulic, PPC pump 280
WF450T-3 – SAR(3)80 + (1) 28 280
WF450-3 – SAR(4)140 + (1) 28 281
PPC valve 282
WF450T-3 282
WF450-3 283
Cut-off valve 284
WF450-3 284
Main control valve 286
WF450T-3 286
WF450-3 288
Lift cylinder 290
WF450T-3 290
Boom cylinder 291
WF450-3 291
Bucket cylinder 292
WF450-3 292
Work equipment linkage 294
WF450T-3 294
WF450-3 296
Bucket positioner and boom kick-out 298
WF450-3 298
90 OTHERS 299
Transmission hydraulic circuit diagram 300
Brake hydraulic circuit diagram 302
Work equipment hydraulic circuit diagram (WF450T-3) 305
Work equipment hydraulic circuit diagram (WF450-3) 307
Electric circuit diagram [1/4)] (WF450T-3) 309
Electric circuit diagram [2/4)] (WF450T-3) 311
Electric circuit diagram [3/4)] (WF450T-3) 313
Electric circuit diagram [4/4)] (WF450T-3) 315
Electric circuit diagram [1/4)] (WF450-3) 317
Electric circuit diagram [2/4)] (WF450-3) 319
Electric circuit diagram [3/4)] (WF450-3) 321
Electric circuit diagram [4/4)] (WF450-3) 323

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