Komatsu D37PX-21 Service Manual (EN)

COVER

SEBM025607 MACHINE MODEL SERIAL No. D31EX-21 50001 and up D31PX-21 50001 and up D37EX-21 5001 and up D37PX-21 5001 and up This shop manual may contain attachments and optional equipment that are not available in your area. Please consult your local Komatsu distributor for those items you may require. Materials and specifications are subject to change without notice. D31, D37EX, PX-21 mount the SAA4D102E-2 engine. For details of the engine, see the 102-2 Series Engine Shop Manual. © 2004 All Rights Reserved Printed in Japan 02-04 (01) 00-1 (7)

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CONTENTS

GENERAL CONTENTS No. of page 01 GENERAL ............................................................................................................................ 01-1 10 STRUCTURE AND FUNCTION, MAINTENANCE STANDARD ............................................ 10-1 20 TESTING AND ADJUSTING ........................................................................ 20-1 30 DISASSEMBLY AND ASSEMBLY ..................................................... 30-1 90 OTHERS ................................................................................................................................ 90-1 00-2 D31/37EX,PX-21

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LIST OF REVISED PAGES The affected pages are indicated by the use of the following marks. It is requested that necessary actions be taken to these pages according to the table below. Pages having no marks are those previously revised or made additions.

LIST OF REVISED PAGES D31/37EX,PX-21 00-2-1 (7) Mark Indication Action required Page to be newly added Add Page to be replaced Replace ( ) Page to be deleted Discard Time of Mark Page revision Time of Mark Page revision Time of Mark Page revision Time of Mark Page revision Time of Mark Page revision 00-1 (7) 00-2 (1) 00-2-1 (7) 00-2-2 (7) 00-2-3 (7) 00-3 00-4 00-5 00-6 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 00-20 00-21 00-22 01-1 01-2 01-3 01-4 (7) 01-5 (5) 01-5-1 (7) 01-5-2 (5) 01-6 (7) 01-7 (7) 01-8 01-9 01-10 01-11 01-12 (7) 10-1 10-2 (7) 10-3 10-5 10-6 10-7 10-8 (5) 10-9 (5) 10-9-1 (5) 10-9-2 (5) 10-10 (5) 10-11 10-12 10-13 10-14 10-15 10-17 10-18 10-19 10-20 10-21 10-22 10-23 10-24 10-25 10-26 10-27 10-28 10-29 10-30 10-31 10-32 10-33 10-34 10-35 10-36 10-37 10-38 10-39 10-40 10-41 10-42 10-43 10-44 10-45 10-46 (5) 10-47 10-48 10-49 10-50 10-51 10-51-1 (5) 10-51-2 (5) 10-51-3 (5) 10-52 10-53 10-54 10-55 10-56 10-57 10-58 10-60 10-61 10-62 10-63 10-64 10-65 10-66 10-67 10-68 10-69 10-70 (4) 10-71 10-72 10-73 10-74 10-75 10-76 10-77 (5) 10-78 10-79 10-80 10-81 10-82 10-83 10-84 10-85 10-86 10-87 10-88 10-89 10-90 10-91 10-92 10-93 10-94 10-95

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LIST OF REVISED PAGES 00-2-2 D31/37EX,PX-21 (7) Time of Mark Page revision Time of Mark Page revision Time of Mark Page revision Time of Mark Page revision Time of Mark Page revision 10-96 10-97 10-98 10-99 10-100 10-101 10-102 10-103 10-104 10-105 10-106 10-107 10-108 10-109 10-110 (5) 10-111 10-112 (5) 10-113 10-114 10-115 10-116 10-117 (7) 10-118 10-119 10-120 10-121 20-1 (1) 20-2 (1) 20-3 (4) 20-4 (2) 20-5 (4) 20-6 (1) 20-7 (1) 20-8 (1) 20-9 (1) 20-10 (1) 20-101 (1) 20-102 (1) 20-103 (1) 20-104 (1) 20-105 (1) 20-106 (1) 20-107 (1) 20-108 (1) 20-109 (1) 20-110 (1) 20-111 (1) 20-112 (1) 20-113 (1) 20-114 (1) 20-115 (1) 20-116 (1) 20-117 (1) 20-118 (1) 20-119 (1) 20-120 (6) 20-121 (1) 20-122 (1) 20-123 (3) 20-124 (1) 20-125 (1) 20-126 (1) 20-127 (1) 20-128 (1) 20-129 (1) 20-130 (1) 20-131 (1) 20-132 (1) 20-133 (1) 20-134 (1) 20-135 (1) 20-136 (1) 20-137 (1) 20-138 (1) 20-139 (1) 20-140 (1) 20-141 (1) 20-201 (1) 20-202 (1) 20-203 (1) 20-204 (1) 20-205 (1) 20-206 (1) 20-207 (3) 20-208 (1) 20-209 (1) 20-210 (1) 20-211 (1) 20-212 (1) 20-213 (1) 20-214 (1) 20-215 (1) 20-216 (1) 20-217 (1) 20-218 (1) 20-219 (1) 20-220 (1) 20-221 (1) 20-222 (1) 20-223 (1) 20-224 (1) 20-225 (1) 20-226 (1) 20-227 (1) 20-228 (1) 20-229 (1) 20-230 (1) 20-231 (1) 20-232 (1) 20-233 (1) 20-234 (1) 20-235 (1) 20-236 (1) 20-237 (1) 20-238 (1) 20-239 (1) 20-301 (1) 20-302 (1) 20-303 (1) 20-304 (1) 20-305 (1) 20-306 (1) 20-307 (1) 20-308 (1) 20-309 (1) 20-310 (1) 20-311 (1) 20-312 (1) 20-313 (1) 20-314 (1) 20-315 (1) 20-316 (1) 20-317 (1) 20-318 (1) 20-319 (1) 20-320 (1) 20-321 (1) 20-322 (1) 20-323 (1) 20-324 (1) 20-325 (1) 20-326 (1) 20-327 (1) 20-328 (1) 20-329 (1) 20-401 (1) 20-402 (1) 20-303 (1) 20-404 (1) 20-405 (1) 20-406 (1) 20-407 (1) 20-408 (1) 20-409 (1) 20-410 (1) 20-411 (1) 20-412 (1) 20-413 (1) 20-414 (1) 20-415 (1) 20-416 (1) 20-417 (1) 20-501 (1) 20-502 (1) 20-504 (1) 20-505 (1) 20-506 (1) 20-507 (1) 20-508 (1) 20-509 (1) 20-510 (1) 20-511 (1) 20-512 (1) 20-513 (1) 20-514 (1) 20-515 (1) 20-516 (1) 20-517 (1) 20-518 (1) 20-519 (1) 30-1 (1) 30-2 (1) 30-3 (1) 30-4 (1) 30-5 (1) 30-6 (1) 30-7 (1) 30-8 (1) 30-9 (1) 30-10 (1) 30-11 (1) 30-12 (1)

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