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01 GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 011 10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD. . . . 101 20 TESTING AND ADJUSTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 30 DISASSEMBLY AND ASSEMBLY. . . . . . . . . . . . . . . . . . . . . . . . . . . 301 50 OTHER SPECIFICATIONS (PC78US6 For Norway). . . . . . . . . . . . 501 90 OTHERS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 901
SEBM025118 MACHINE MODEL SERIAL NUMBER PC78UU-6 PC78US-6 PC78US-6 22832 and up 4001 and up 4809 and up (For Norway & EU) • 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 • PC78UU-6, PC78US-6 mounts the 4D95LE-2 and S4D95LE-3-A engine For details of the engine, see the 95-2 Series and 95-3 Series Engine Shop Manual • For the PC78US-6 for Norway (Serial No 4809 and up), the parts which different from the standard model have been put together and added as Section 50 For the common parts, see this manual © 2010 All Rights Reserved Printed in Japan 04-10(02) 00-1 (18) CONTENTS No of page 01 GENERAL 01-1 10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD 10-1 20 TESTING AND ADJUSTING 20-1 30 DISASSEMBLY AND ASSEMBLY 30-1 50 OTHER SPECIFICATIONS (PC78US-6 For Norway) 50-1 90 OTHERS 90-1 00-2 (16) PC78US-6 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 Mark Indication Action required Q Page to be newly added Add q Page to be replaced Replace ( ) Page to be deleted Discard Pages having no marks are those previously revised or made additions LIST OF REVISED PAGES Mark Page q 00-1 q q q q q 00-2 00-2-1 00-2-2 00-2-3 00-2-4 00-2-5 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 01-6 01-7 01-8 01-9 01-10 01-11 01-12 01-13 01-14 PC78US-6 Revision Mark number (18) (16) (18) (18) (18) (18) (18) (6) (6) (6) (5) (6) (6) (13) (13) (6) (6) (6) (6) (13) Page Revision Mark number 01-15 01-16 01-17 01-18 01-19 01-20 01-21 01-22 (13) (6) (6) (13) (13) (6) (10) (10) 10-1 10-2 10-3 10-4 10-5 10-6 10-7 10-8 10-10 10-11 10-12 10-13 10-14 10-15 10-16 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 (14) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (13) (13) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) Page 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 10-47 10-48 10-49 10-50 10-51 10-52 10-53 10-54 10-55 10-56 10-57 10-58 10-59 10-60 10-61 10-62 10-63 10-64 10-65 10-66 10-67 10-68 10-69 10-70 10-71 10-72 10-73 10-74 Revision Mark number (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (14) (10) (14) (10) (10) (10) (10) (14) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) Page 10-75 10-76 10-77 10-78 10-80 10-81 10-82 10-83 10-84 10-85 10-86 10-87 10-88 10-90 10-91 10-92 10-93 10-94 10-95 10-96 10-97 10-98 10-99 10-100 10-101 10-102 10-104 10-105 10-106 10-107 10-108 10-109 10-110 10-111 10-112 10-114 10-115 10-116 10-117 10-118 10-119 Revision Mark number (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) Page Revision number 10-120 10-121 10-122 10-124 10-125 10-126 10-127 10-128 10-129 10-130 10-131 10-132 10-133 10-134 10-135 10-136 10-137 10-138 10-139 10-140 10-141 10-142 10-143 10-144 10-145 10-146 10-147 10-148 10-149 10-150 10-151 10-152 10-153 10-154 10-155 10-156 10-157 10-158 10-159 10-160 10-161 (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) 00-2-1 (18) Mark Page 10-162 10-163 10-164 10-165 10-166 10-167 10-168 10-169 10-170 10-171 10-172 10-173 10-174 10-175 10-176 10-177 10-178 10-179 10-180 10-181 10-183 10-184 10-185 10-186 10-187 10-188 10-189 10-190 10-191 10-192 10-193 10-195 10-196 10-197 10-198 10-199 10-200 10-201 10-202 10-203 10-204 10-205 10-206 10-207 10-208 10-209 10-210 10-211 10-212 10-213 10-214 00-2-2 (18) Revision Mark number (10) (10) (10) (10) (10) (10) (10) (10) (13) (13) (10) (10) (13) (13) (10) (10) (13) (13) (10) (10) (10) (10) (10) (13) (13) (13) (13) (13) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) Page 10-215 10-216 10-217 10-218 10-219 10-220 10-221 10-222 10-223 10-224 10-225 10-226 10-227 10-228 10-229 10-230 10-231 10-232 10-233 10-234 10-236 10-237 10-238 10-239 10-240 10-241 10-242 10-243 10-244 10-245 10-246 10-247 10-248 10-249 10-250 10-252 10-253 10-254 10-255 10-256 10-257 10-258 10-259 10-260 10-261 10-262 10-263 10-264 10-265 10-266 10-267 Revision Mark number (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) Page 10-268 10-269 10-270 10-271 10-272 10-273 10-274 20-1 20-2 20-2-1 20-3 20-4 20-5 20-6 20-7 20-8 20-9 20-10 20-11 20-12 20-13 20-14 20-15 20-16 20-17 20-18 20-19 20-20 20-21 20-22 q 20-101 20-102 20-103 20-104 20-105 20-106 20-106-1 20-106-2 20-107 20-108 20-109 20-110 20-111 20-111-1 20-112 20-113 20-114 20-115 20-115-1 20-116 Revision Mark number (10) (10) (10) (10) (10) (10) (10) (1) (7) (7) (5) (12) (5) (5) (12) (12) (12) (5) (7) (12) (7) (7) (7) (7) (5) (12) (12) (12) (12) (12) (18) (13) (12) (12) (13) (12) (7) (12) (7) (13) (13) (13) (13) (12) (7) (12) (12) (12) (7) (12) Page q 20-117 q 20-118 20-119 20-120 20-121 20-121-1 20-122 20-123 20-124 20-125 20-126 20-127 20-128 20-129 20-130 20-131 20-132 20-133 20-134 20-135 20-136 Q 20-136-1 Q 20-136-2 20-137 20-138 20-139 20-140 20-141 20-142 20-201 20-202 20-203 20-204 20-205 20-206 20-207 20-208 20-209 20-210 20-211 20-212 20-214 20-215 20-215-1 20-215-2 20-216 20-217 20-218 20-218-2 20-218-3 20-218-4 Revision Mark number (18) (18) (12) (12) (13) (13) (5) (12) (12) (5) (12) (1) (1) (12) (12) (1) (1) (12) (12) (12) (12) (18) (18) (13) (12) (15) (15) (15) (15) (13) (12) (2) (12) (12) (12) (12) (12) (12) (2) (2) (1) (12) (7) (7) (7) (7) (12) (12) (12) (7) (7) Page Revision number 20-218-5 20-218-6 20-218-8 20-218-9 20-218-10 20-219 20-219-1 20-219-3 20-219-4 20-219-5 20-219-6 20-219-7 20-219-9 20-219-10 20-219-11 20-220 20-221 20-222 20-223 20-224 20-225 20-226 20-227 20-228 20-229 20-230 20-231 20-232 20-233 20-234 20-235 20-236 20-237 20-238 20-239 20-240 20-241 20-242 20-244 20-245 20-245-1 20-245-2 20-246 20-247 20-248 20-248-1 20-249 20-250 20-251 20-252 20-252-1 (12) (12) (17) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (1) (1) (1) (12) (1) (1) (12) (1) (12) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (1) (12) (12) (12) (12) (5) (5) (5) (1) (12) (12) (1) (7) (12) (12) (13) PC78US-6 Mark Page 20-253 20-253-1 20-253-2 20-254 20-255 20-255-1 20-255-2 20-255-3 20-255-4 20-255-6 20-255-7 20-256 20-259 20-260 20-301 20-302 20-303 20-325 20-326 20-328 20-329 20-329-1 20-329-2 20-329-3 20-330 20-331 20-331-1 20-331-2 20-332 20-332-1 20-333 20-334 20-334-1 20-334-2 20-334-3 20-335 20-335-1 20-336 20-336-1 20-336-2 20-337 20-337-1 20-338 20-338-1 20-338-2 20-338-3 20-339 20-339-1 20-340 20-340-1 20-341 PC78US-6 Revision Mark number (12) (13) (13) (5) (5) (13) (12) (12) (12) (12) (12) (12) (12) (12) (1) (12) (12) (12) (12) (16) (12) (12) (12) (13) (13) (13) (13) (12) (12) (12) (7) (12) (12) (12) (12) (12) (12) (7) (7) (12) (7) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) Page 20-342 20-343 20-343-1 20-343-2 20-344 20-345 20-346 20-347 20-348 20-349 20-349-1 20-349-2 20-349-3 20-349-4 20-351 20-352 20-354 20-355 20-355-1 20-355-2 20-355-3 20-355-4 20-356 20-357 20-357-1 20-357-2 20-358 20-358-1 20-358-2 20-358-3 20-358-4 20-358-5 20-358-6 20-358-7 20-358-8 20-358-9 20-359 20-359-1 20-360 20-360-1 20-361 20-361-1 20-362 20-363 20-364 20-365 20-366 20-366-1 20-366-2 20-366-3 20-367 Revision Mark number (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (1) (12) (12) (5) (5) (12) (12) (12) (12) (12) (12) (7) (5) (7) (7) (7) (7) (12) (7) (12) (12) (12) (12) (12) (12) (12) (12) (5) (5) (5) (5) (12) (12) (12) (12) (12) Page 20-368 20-369 20-370 20-371 20-372 20-373 20-374 20-375 20-376 20-376-1 20-376-2 20-377 20-378 20-379 20-380 20-381 20-381-1 20-382 20-383 20-384 20-385 20-386 20-387 20-387-1 20-387-2 20-387-3 20-388 20-388-1 20-389 20-389-1 20-401 20-402 20-403 20-404 20-405 20-406 20-407 20-408 20-409 20-410 20-411 20-412 20-413 20-414 20-415 20-425 20-426 20-428 20-429 20-430 20-431 Revision Mark number (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (5) (5) (5) (5) (5) (1) Page 20-432 20-433 20-434 20-435 20-436 20-437 20-438 20-439 20-440 20-441 20-442 20-443 20-444 20-444-1 20-445 20-446 20-447 20-447-1 20-447-2 20-448 20-449 20-450 20-451 20-452 20-453 20-453-1 20-453-2 20-454 20-455 20-456 20-457 20-458 20-459 20-460 20-461 20-462 20-463 20-464 20-465 20-466 20-467 20-468 20-469 20-470 20-471 20-472 20-473 20-474 20-475 20-476 20-477 Revision Mark number (1) (1) (1) (1) (5) (5) (4) (1) (1) (1) (5) (4) (5) (5) (4) (1) (1) (5) (5) (5) (5) (5) (4) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) Page Revision number 20-478 20-479 20-480 20-481 20-482 20-483 20-484 20-485 20-501 20-502 20-503 20-504 20-505 20-506 20-507 20-508 20-509 20-510 20-511 20-512 20-513 20-514 20-515 20-516 20-517 20-518 20-519 20-520 20-521 20-522 20-523 20-524 20-525 20-526 20-527 20-528 20-529 20-530 20-531 20-532 20-533 20-534 20-535 20-536 20-537 20-538 20-539 20-540 20-541 20-542 20-543 (5) (5) (5) (5) (5) (5) (5) (5) (12) (1) (6) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) 00-2-3 (18) Mark Page 20-544 20-545 20-546 20-547 20-548 20-549 20-550 20-551 20-552 20-553 q 30-1 30-2 30-3 30-4 30-5 30-6 30-7 30-8 30-9 30-10 30-11 30-12 30-13 30-14 30-15 30-16 30-17 30-18 30-18-1 30-19 30-20 30-20-1 30-21 30-22 30-23 30-24 30-25 30-26 30-27 30-28 30-29 30-30 30-31 30-32 30-33 30-34 Q 30-34-1 30-35 30-36 30-37 00-2-4 (18) Revision Mark number (12) (12) (12) (7) (12) (12) (12) (12) (12) (12) (18) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (15) (15) (11) (15) (15) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (18) (11) (11) (11) Page 30-38 30-39 30-40 30-41 30-42 30-43 30-44 30-45 30-46 30-47 30-48 30-49 30-50 30-51 30-52 30-53 30-54 30-55 30-56 30-57 30-58 30-59 30-60 30-61 30-62 30-63 30-64 30-65 30-66 30-67 30-68 30-69 30-70 30-71 30-72 30-73 30-74 30-75 30-76 30-77 30-78 30-79 30-80 30-81 30-82 30-83 30-84 30-85 30-86 30-87 30-88 Revision Mark number (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) Page 30-89 30-90 30-91 30-92 30-93 30-94 30-95 30-96 30-97 30-98 30-99 30-100 30-101 30-102 30-103 30-105 30-106 30-107 30-108 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 30-128 30-129 30-130 30-131 30-132 30-133 30-134 30-135 30-136 30-137 30-138 30-139 30-140 Revision Mark number (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (11) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) Page Revision Mark number 30-141 30-142 30-143 30-144 30-145 30-146 30-147 30-148 30-149 30-150 30-151 30-152 30-153 30-154 30-155 30-156 30-157 30-158 30-159 30-160 30-161 30-162 30-163 30-164 (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) (16) 50-1 50-3 50-4 50-5 50-6 50-6-2 50-6-3 50-6-4 50-7 50-8 50-9 50-10 50-11 50-12 50-13 50-13-1 50-13-2 50-13-3 50-13-4 50-13-5 50-14 50-15 50-16 50-17 50-17-1 50-18 (10) (10) (14) (10) (10) (10) (6) (13) (13) (6) (6) (13) (10) (14) (14) (14) (14) (14) (14) (14) (6) (3) (3) (13) (13) (13) Page Revision number 50-19 50-20 50-21 50-22 50-23 50-23-1 50-23-2 50-23-3 50-23-4 50-24 50-25 50-26 50-101 50-102 50-104 50-105 50-106 50-107 50-107-1 50-107-3 50-107-4 50-107-5 50-107-6 50-107-7 50-107-9 50-107-10 50-107-11 50-108 50-108-1 50-109 50-110 50-111 50-112 50-113 50-114 50-115 50-116 50-117 50-118 50-120 50-121 50-121-1 50-121-2 50-122 50-123 50-123-1 50-123-2 50-124 50-124-1 50-124-2 50-125 (13) (13) (10) (10) (10) (10) (10) (10) (10) (10) (10) (10) (7) (12) (7) (7) (4) (12) (12) (12) (7) (7) (12) (12) (12) (12) (12) (12) (12) (4) (4) (12) (4) (12) (7) (12) (4) (12) (4) (12) (12) (12) (12) (12) (12) (12) (12) (7) (12) (12) (12) PC78US-6 Mark Page Revision Mark number 50-126 50-127 50-128 50-129 50-130 50-131 50-132 50-132-1 50-132-2 50-132-3 50-132-4 50-132-5 50-132-6 50-132-7 50-132-8 50-132-9 50-132-10 50-133 50-134 50-135 50-135-1 50-135-2 50-135-3 50-135-4 50-136 50-137 50-137-1 50-137-2 50-138 50-139 50-140 50-141 (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) (7) (7) (4) (12) (7) (12) (12) (12) (12) (12) (12) (12) (12) (12) (12) 90-1 90-3 90-3-2 90-5 90-7 90-7-2 90-7-4 90-7-6 90-7-8 90-9 90-11 90-13 90-15 90-15-2 90-15-4 90-17 90-19 90-21 (10) (10) (10) (6) (10) (10) (14) (14) (10) (6) (6) (10) (10) (10) (10) (10) (10) (10) PC78US-6 Page 90-23 90-23-2 90-23-4 90-25 90-27 90-29 90-31 Revision Mark number Page Revision Mark number Page Revision Mark number Page Revision number (10) (10) (10) (6) (6) (6) (6) 00-2-5 (18) SAFETY SAFETY NOTICE SAFETY SAFETY NOTICE IMPORTANT SAFETY NOTICE Proper service and repair is extremely important for safe machine operation The service and repair techniques recommended by Komatsu and described in this manual are both effective and safe Some of these techniques require the use of tools specially designed by Komatsu for the specific purpose To prevent injury to workers, the symbol k is used to mark safety precautions in this manual The cautions accompanying these symbols should always be followed carefully If any dangerous situation arises or may possibly arise, first consider safety, and take the necessary actions to deal with the situation GENERAL PRECAUTIONS Mistakes in operation are extremely dangerous Read the Operation and Maintenance Manual carefully BEFORE operating the machine Before carrying out any greasing or repairs, read all the precautions given on the decals which are fixed to the machine When carrying out any operation, always wear safety shoes and helmet Do not wear loose work clothes, or clothes with buttons missing • • Always wear safety glasses when hitting parts with a hammer Always wear safety glasses when grinding parts with a grinder, etc If welding repairs are needed, always have a trained, experienced welder carry out the work When carrying out welding work, always wear welding gloves, apron, hand shield, cap and other clothes suited for welding work When carrying out any operation with two or more workers, always agree on the operating procedure before starting Always inform your fellow workers before starting any step of the operation Before starting work, hang UNDER REPAIR signs on the controls in the operator's compartment Keep all tools in good condition and learn the correct way to use them Decide a place in the repair workshop to keep tools and removed parts Always keep the tools and parts in their correct places Always keep the work area clean and make sure that there is no dirt or oil on the floor Smoke only in the areas provided for smoking Never smoke while working PREPARATIONS FOR WORK Before adding oil or making any repairs, park the machine on hard, level ground, and block the wheels or tracks to prevent the machine from moving Before starting work, lower blade, ripper, bucket or any other work equipment to 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 When disassembling or assembling, support the machine with blocks, jacks or stands before starting work 10.Remove all mud and oil from the steps or other places used to get on and off the machine Always use the handrails, ladders or steps when getting on or off the machine Never jump on or off the machine If it is impossible to use the handrails, ladders or steps, use a stand to provide safe footing 00-3 ELECTRICAL CIRCUIT DIAGRAM PC78US-6 Serial No.: 4001 – 5500 (2/2) PC78US-6 90-11 ELECTRICAL CIRCUIT DIAGRAM PC78US-6 Serial No.: 5501 – 6500 (1/2) PC78US-6 90-13 (10) ELECTRICAL CIRCUIT DIAGRAM PC78US-6Serial No.: 5501 – 6500 (2/2) PC78US-6 90-15 (10) ELECTRICAL CIRCUIT DIAGRAM PC78US-6 Serial No.: 6501 and up (1/2) PC78US-6 90-15-2 (10) ELECTRICAL CIRCUIT DIAGRAM PC78US-6 Serial No.: 6501 and up (2/2) PC78US-6 90-15-4 (10) ELECTRICAL CIRCUIT DIAGRAM PC78US-6 Serial No.: 4809 – 5500 (Norway & EU specification) (1/2) PC78US-6 90-17 (10) ELECTRICAL CIRCUIT DIAGRAM PC78US-6 Serial No.: 4809 – 5500 (Norway & EU specification) (2/2) PC78US-6 90-19 (10) ELECTRICAL CIRCUIT DIAGRAM PC78US-6 Serial No.: 5501 – 6500 (Norway & EU specification) (1/2) PC78US-6 90-21 (10) ELECTRICAL CIRCUIT DIAGRAM PC78US-6 Serial No.: 5501 – 6500 (Norway & EU specification) (2/2) PC78US-6 90-23 (10) ELECTRICAL CIRCUIT DIAGRAM PC78US-6 Serial No.: 6501 and up (Norway & EU specification) (1/2) PC78US-6 90-23-2 (10) ELECTRICAL CIRCUIT DIAGRAM PC78US-6 Serial No.: 6501 and up (Norway & EU specification) (2/2) PC78US-6 90-23-4 (10) ELECTRICAL CIRCUIT DIAGRAM PC78UU-6 Serial No.: 22832 – 23500 (1/2) PC78US-6 90-25 ELECTRICAL CIRCUIT DIAGRAM PC78UU-6 Serial No.: 22832 – 23500 (2/2) PC78US-6 90-27 ELECTRICAL CIRCUIT DIAGRAM PC78UU-6 Serial No.: 23501 and up (1/2) PC78US-6 90-29 ELECTRICAL CIRCUIT DIAGRAM PC78UU-6 Serial No.: 23501 and up (2/2) PC78US-6 90-31 ... ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) Page... 549.7 5 56. 9 564 .2 571.4 80 578 .6 585.9 593.1 60 0.3 60 7 .6 614.8 62 2.0 62 9.3 63 6.5 64 3.7 90 65 1.0 65 8.2 66 5.4 67 2.7 67 9.9 68 7.1 69 4.4 701 .6 708.8 7 16. 1 100 723.3 730.5 737.8 745.0 752.2 759.5 766 .7... 30-1 46 30-147 30-148 30-149 30-150 30-151 30-152 30-153 30-154 30-155 30-1 56 30-157 30-158 30-159 30- 160 30- 161 30- 162 30- 163 30- 164 ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16) ( 16)