CEBM017403
Shop Manual
WHEEL LOADER SERIAL NUMBERS
WA380-6
A53001 and up
ENGINE
6D107E-1
This material is proprietary to Komatsu America Corp. and is not to be reproduced, used, or disclosed except in accordance with written authorization from Komatsu America Corp. It 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 changes on products sold previously. Due to this continuous program of research and development, revisions may be made to this publication. It is recommended that customers contact their distributor for information on the latest revision.
Copyright 2012 Komatsu Printed in U.S.A. Komatsu America Corp. January 2012
FOREWORD
CONTENTS
12 CONTENTS 01
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-1
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
90
DIAGRAMS AND SCHEMATICS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90-1
00-2
00
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WA380-6
This is the sample of the manual Click on the download link for complete manual
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40-634
40-667
40-700
40-733
40-635
40-668
40-701
40-734
40-636
40-669
40-702
40-735
40-637
40-670
40-703
40-736
40-638
40-671
40-704
40-737
40-639
40-672
40-705
40-738
40-640
40-673
40-706
40-739
40-641
40-674
40-707
40-740
40-642
40-675
40-708
40-741
40-643
40-676
40-709
40-742
40-644
40-677
40-710
40-743
40-645
40-678
40-711
40-744
40-646
40-679
40-712
40-745
40-647
40-680
40-713
40-746
40-648
40-681
40-714
40-747
WA380-6
Rev
00-2-11
FOREWORD Mark
Page
Rev
Mark
Page
Rev
Mark
Page
Rev
Mark
Page
40-748
50-6
50-39
50-72
40-749
50-7
50-40
50-73
40-750
50-8
50-41
50-74
40-751
50-9
50-42
50-75
40-752
50-10
50-43
50-76
40-753
50-11
50-44
50-77
40-754
50-12
50-45
50-78
40-755
50-13
50-46
50-79
40-756
50-14
50-47
50-80
40-757
50-15
50-48
50-81
40-758
50-16
50-49
50-82
40-759
50-17
50-50
50-83
40-760
50-18
50-51
50-84
40-761
50-19
50-52
50-85
40-762
50-20
50-53
50-86
40-763
50-21
50-54
50-87
40-764
50-22
50-55
50-88
40-765
50-23
50-56
50-89
40-766
50-24
50-57
50-90
40-767
50-25
50-58
50-91
40-768
50-26
50-59
50-92
40-769
50-27
50-60
50-93
40-770
50-28
50-61
50-94
40-771
50-29
50-62
50-95
40-772
50-30
50-63
50-96
40-773
50-31
50-64
50-97
40-774
50-32
50-65
50-98
50-33
50-66
50-99
50-1
50-34
50-67
50-100
50-2
50-35
50-68
50-101
50-3
50-36
50-69
50-102
50-4
50-37
50-70
50-103
50-5
50-38
50-71
50-104
00-2-12
Rev
WA380-6
FOREWORD Mark
Page
Rev
Mark
Page
Rev
Mark
Page
Rev
Mark
Page
50-105
50-138
50-171
50-204
50-106
50-139
50-172
50-205
50-107
50-140
50-173
50-206
50-108
50-141
50-174
50-207
50-109
50-142
50-175
50-208
50-110
50-143
50-176
50-209
50-111
50-144
50-177
50-210
50-112
50-145
50-178
50-211
50-113
50-146
50-179
50-212
50-114
50-147
50-180
50-213
50-115
50-148
50-181
50-214
50-116
50-149
50-182
50-215
50-117
50-150
50-183
50-216
50-118
50-151
50-184
50-217
50-119
50-152
50-185
50-218
50-120
50-153
50-186
50-219
50-121
50-154
50-187
50-220
50-122
50-155
50-188
50-221
50-123
50-156
50-189
50-222
50-124
50-157
50-190
50-223
50-125
50-158
50-191
50-224
50-126
50-159
50-192
50-225
50-127
50-160
50-193
50-226
50-128
50-161
50-194
50-227
50-129
50-162
50-195
50-228
50-130
50-163
50-196
50-229
50-131
50-164
50-197
50-230
50-132
50-165
50-198
50-231
50-133
50-166
50-199
50-232
50-134
50-167
50-200
50-233
50-135
50-168
50-201
50-234
50-136
50-169
50-202
50-235
50-137
50-170
50-203
50-236
WA380-6
Rev
00-2-13