Usage:
16Mar2016 |
(Revised 21Mar2016) |
Before/After | PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN POWER RELAY(S) ON CERTAIN OFF-HIGHWAY TRUCKS, WHEEL LOADERS, ARTICULATED TRUCKS, TRACK-TYPE TRACTORS, WHEEL SKIDDERS, KNUCKLEBOOM LOADERS, COMPACTORS, WHEEL DOZERS, TRUCK FELLER BUNCHER, AND MOTOR GRADERS |
|
1423 7499 | PS45020 |
NOTE: | Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar. |
NOTE: | This Program must be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS45020" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. If administered after failure, use "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code. |
NOTE: | The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst. |
NOTE: | This Revised Service Letter replaces the 16Mar2016 Service Letter. A change has been made to the Title. |
TERMINATION DATE |
31Mar2018 |
PROBLEM
The existing main power relay can experience internal corrosion on certain machines listed below. This internal corrosion can cause a short to ground, or a short between the coil wires inside of the main power relay. If the existing main power relay fails, it can cause overheating of the relay and the adjacent wiring. |
AFFECTED PRODUCT
Model | Identification Number |
*******Group 1******* | |
914G | PDF01839, 1846, 1850, 1852, 1860-1863, 1865-1867, 1870 |
914G 2 | KNP00414, 451, 453 |
938H | MCC00757 |
938K | HFW00264 |
*******Group 2******* | |
120K | JAP05152 SZN01145, 1150-1151, 1154-1156, 1158-1162, 1445, 1456, 1587, 1660, 1662, 1745-1746, 1755, 1759-1761, 1778-1779, 1782, 1874, 1899, 1901, 1913, 1924, 1976-1977 |
120K 2 | SZS00106 |
120K 2 OEM | SZZ00102 |
120M | B9C01175 |
12K | SZP00389-00391 |
12M | B9200130, 230, 239, 250 |
12M 2 | F9B00153 |
140K | SZL01791, 1927, 2081-2082, 2084, 2306, 2352-2353, 2449, 2453-2454 |
140M | B9D04511, 4513 D9G01419, 1468, 1471, 1481 |
140M 2 | M9D01144, 1572, 1744, 1791 |
14M | R9J00531, 533, 535, 559, 567, 571, 880, 1118 |
16M | R9H00733, 815, 822, 887, 891, 901, 909 |
24M | B9K00623, 628 |
525C | 52501654, 1702, 1711, 1855, 1944, 1968, 2018, 2032 |
541B | F7D00200, 222, 226, 237 |
730C | LFF00261 |
740B | L4E02399, 2733, 2739, 2758, 2768, 2784-2786, 2816, 2831, 2840, 2843, 41945 T4R02299, 2328, 2330, 32032 |
740B EJ | L4F00413, 420, 490-491 |
770G | ECM00221 |
772G | LTS00317, 328-330 |
773E | ASK00846, 932, 991-998, 1092-1093 KEG00198, 202-203, 213, 216, 218, 267, 273, 314, 319-324 |
773G | MWH00186, 249, 253, 282-285, 300-301, 317, 329, 338, 346-352 |
775G | RFM00392-00395 |
777D | FKR01626-01633, 1676, 1947-1948, 1953-1955, 2007, 2037-2038, 2041-2042, 2046, 2071-2076, 2078, 2095-2104, 2156-2157 |
777G | RDR00256, 259-260 TNM00441-00442, 444, 446, 498, 507, 509, 531, 536-537, 539, 544, 546, 548, 551, 553, 555, 569, 604-606, 635-638, 675, 758 |
777G OEM | T5A00103 |
785C | APX02352-02354, 2368 |
785D | MSY00535, 537, 544-545, 561 |
785D OEM | DMC00135 |
789D | SPD00265-00267, 277, 309, 317, 423, 425, 430, 496, 513, 517-518, 528-529, 546, 548, 590-591, 593-594 |
793D | FDB01640 |
793F XQ | SND00117, 128-131 |
815F 2 | BYN01027, 1052 |
824H | ASX00486, 502 |
825H | AZW00361 |
834H | BTX01247, 1285, 1311 |
950 GC | M5K00118, 123, 126 |
950H | MXL00474-00476, 478, 511, 536, 554, 556, 558, 745, 829, 854, 871-876, 878-881, 883-889, 891-892, 895, 970, 1033, 1035 |
962H | PCW00240, 260-261, 266, 285, 287 SSA00295 |
966H | BJ600222, 483, 510, 523, 527-528, 785 TAL02143, 2145, 2173, 2176, 2440 |
972H | GTA00776, 783 |
980H | KZL00699, 1102, 1269 |
986H | L8S00262-00263, 270, 272-274 |
988H | A7A00222 BXY05038 |
CW34 | TLJ00412 |
D10T | RJG04069, 4147, 4289, 4461, 4467, 4528, 4543, 4590, 4657, 4660-4661, 4788, 4807, 4809, 4815, 4820-4821, 4858-4859, 4862, 4869-4870 |
D11T | AMA00321 JEL00233, 240-241, 249, 333, 336 |
D5R XL | D5X00101, 117-118, 122, 137, 161-188 |
D6T | SMC01636-01637, 1692 |
D6T XL | GCT02343, 2363-2367 |
D6T XL PAT | DTD01153 |
D7E | TAN01202, 1210, 1257-1258, 1336, 1338, 1350-1351 |
D7R | DSH00236, 242-244, 295, 308, 310-311, 324, 326-327, 329 |
D7R XR | DJR00110 |
D8R | 9EM07415, 7544, 7793, 7903-7905, 7999, 8006, 8381, 8463, 8475-8478, 8878, 9016, 9056, 9103, 9140, 9152-9158, 9179, 9181-9182, 9184-9187, 9189-9190, 9193, 9232, 9246-9258 T5X00231, 259-260, 277, 283, 285, 303 |
D8T | FCT00361, 1189, 1313, 1350, 1357, 1359-1360 J8B04699, 4814 MLN00746-00748 |
D9R | WDM03551, 3698, 3766, 3777, 4067, 4074 |
D9T | TWG00207 |
PS-150C | FPS01388 |
PS-300C | PFS00367-00368 |
*******Group 3******* | |
2670C | B3E01470 |
559C | KAS00240, 251 |
573C | RJT00280 |
579C | KAX00276 |
950K | FER00001, 153, 428, 639-640, 685, 3756 J5M01063 R4A01073 |
962K | FLL00163 |
966K | PBG00607, 1081, 1098, 1107-1108, 1119, 1136, 1138, 1174 TFS00793, 1187, 1226, 1276 |
966K XE | NGX00254 |
966M | KJP00464 |
980K | GTZ00283, 659, 719 W7K01670, 1984, 2194, 2429 |
980K OEM | NEP00113-00114 |
988K | TWX00301, 319, 347 |
992K | 88000443-00444 |
992K 2 | ZMX00480 |
993K | Z9K00517, 552-553, 557 |
*******Group 4******* | |
924K | HJF00259, 265 PWR02285, 2634, 2675, 2720, 2742, 2982, 2986, 2994 |
930K | EYE00274 RHN01752, 2837, 3031, 3080 |
938K | HFW00276, 313, 388-389 SWL00602, 829, 1905, 1922, 2177, 2299, 2480, 2495, 2568, 2580, 2594, 2626, 2714 XXT00495 |
*******Group 5******* | |
924H Z | JZZ00594 |
928H | CXK01988, 2017 |
930H | DHC04198, 54101 |
PARTS NEEDED
Qty |
Part Number | Description |
*******Group 1******* | ||
2 | 4B4277 | WASHER |
1 | 2418368 | SWITCH AS-MAG |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer. |
||
*******Group 2******* | ||
2 | 4B4277 | WASHER |
1 | 2418368 | SWITCH AS-MAG |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer. |
||
*******Group 3******* | ||
4 | 4B4277 | WASHER |
2 | 2418368 | SWITCH AS-MAG |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer. |
||
*******Group 4******* | ||
4 | 4B4277 | WASHER |
2 | 2418368 | SWITCH AS-MAG |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer. |
||
*******Group 5******* | ||
6 | 4B4277 | WASHER |
3 | 2418368 | SWITCH AS-MAG |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer. |
ACTION REQUIRED
Install the new Main power relay(s) with the additional 4B-4277 Washers and increased torque as outlined in the attached Rework Procedure. |