PRODUCT SUPPORT PROGRAM FOR REPLACING THE TOP PISTON RING ON CERTAIN 3126 ENGINES
Usage:
REBE1853-00
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| 03May2007 |
B160
B719
B93E
D99R
E250
H330
H342
N050
B719
B93E
D99R
E250
H330
H342
N050
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| After Failure Only (Limited distribution) | PRODUCT SUPPORT PROGRAM FOR REPLACING THE TOP PISTON RING ON CERTAIN 3126 ENGINES |
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| 1215 | PS51290 |
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| NOTE: | This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS51290" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code. |
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| 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. |
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TERMINATION DATE |
| 30Sep2008 |
PROBLEM
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| On certain 3126 engines that are equipped with 210 HP and lower ratings. The top piston ring is experiencing structural failure approximately 180 degrees from the end gap without significant indication of ring scuffing or wear. This may result in scoring of the cylinder walls. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 3126E | CKM02919, 3021, 4840, 4891, 4961, 4973, 4994, 5018, 5440, 5523, 5534, 5560, 5598, 5601, 5843, 5854, 5869, 5875, 5882, 5901, 5905, 5908, 5916, 5927, 5951, 5957, 5966, 5973, 5978, 5997, 5999, 6010, 6015, 6021, 6028, 6099, 6447, 6451, 6455-6456, 6463, 6476, 6489-6491, 6507-6508, 6510, 6520, 6523, 6547, 6557, 6559, 6574, 6589, 6594-6595, 6599-6600, 6605, 6668, 6682, 6700, 6813-6814, 6816-6817, 6820, 6828-6829, 6836, 6846, 6861, 6870, 6874, 6876, 6878, 6889, 6901, 6904, 6913, 6921-6922, 6924, 6933, 6937, 6940, 6942, 6946, 6948, 6958, 6969, 6974, 6982, 6988, 6994, 7000, 7011, 7016, 7021, 7414, 7417, 7419, 7427, 7436, 7446, 7448, 7460, 7465, 7489, 7497, 7521, 7523, 7534, 7557, 7561-7562, 7573, 7588, 7944, 8180, 8186, 8191, 8196, 8198, 8299, 8304, 8307, 8321, 8333, 8348, 8351, 8725, 8736, 8739, 8862, 8897, 8945, 8951, 8971, 9038, 9241, 9271, 9307, 9371, 9391, 9397, 9411, 9436, 9499, 9550, 9562, 9604, 9609, 9613, 9642, 9690, 9695, 9805, 9876, 9923, 9938, 9941, 9978, 10023, 10060, 10067, 10101, 10120, 10134, 10154, 10190, 10195, 10219, 10556, 10559, 10566, 10569, 10582, 10586, 10594, 10601, 10604, 10618, 10620, 10623, 10630, 10638, 10640, 10650, 10653, 10656, 10660, 10666, 10677, 10679, 10683-10684, 10723, 10731, 10733-10734, 10954, 10969, 10975, 10986, 11034, 11143, 11152-11153, 11160, 11175, 11222, 11263, 11295, 11299, 11344-11345, 11347, 11353, 11355-11356, 11358, 11361-11362, 11364, 11393, 11544, 11546, 11582, 11585, 11589, 11639, 11649, 11652, 11656, 11669, 11685, 11690-11691, 11698, 11701, 11779, 11869, 11965, 11972, 11976, 12075, 12084, 12410, 12503, 12505, 12529, 12541, 12603, 12624, 12658, 12678, 12700, 12702, 12704, 12776, 12781, 12813, 12819, 12851, 12869, 12871-12872, 12878, 12886, 12888, 12916, 12923-12924, 12948, 12961, 13017, 13028, 13051, 13053, 13058, 13086, 13091, 13101, 13129, 13180, 13386, 13393, 13419, 13448, 13478, 13484-13485, 13490, 13499, 13535, 13538-13539, 13783, 13932, 14233, 14298, 17829, 22563 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 1 | 0R4890 | BLOCK GP-CYL (OPTION 2) |
| 6 | 10R0650 | PISTON PACK GP (OPTION 1) |
| 1 | 1077604 | SLEEVE-CYL (OPTION 1A) |
ACTION REQUIRED
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| If broken rings are found replace all six cylinders with the 10R0650 Piston Packs. Before ordering parts determine the most cost effective repair between sleeving the block, if needed, and replacing the short block. This service letter covers engines that may have excessive blowby due to broken piston rings. When troubleshooting this repair use the following procedure. 1. Verify engine falls with in the serial number range of service letter. 2. Use Warranty Update # 0409 to troubleshoot excessive oil consumption or high blowby. 3. If engine is disassembled for excessive oil consumption or high blowby verify piston ring breakage. 4. Inspect each cylinder condition and determine if any cylinders are damaged beyond the hard honing process. 5. Complete cost analysis to determine most cost effective repair between sleeving block (Option 1A) and replacing short block (Option 2). 6. If most cost effective repair is sleeving block follow instructions in SEBF8192. If there is a top ring breakage, replace all six piston packs(Option 1). NOTE: If the customer doesn't want to sleeve the block (Option 1A) they have the option to replace with the short block (Option 2). It is the customers responsibility to pay the difference between the sleeve repair and the short block replacement if sleeving is the most cost effective repair. 7. If the most cost effective repair is replacing the short block (Option 2), verify date code is above 201-04 for latest piston packs. NOTE: This program only applies to engines that are in the 210 HP and lower rating. |
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SERVICE CLAIM ALLOWANCES
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| NOTE: This is a 28.4-hour job | ||||||
| ***Dealer to perform the most economical repair option*** Labor for Option 1 & 1A Description SMCS Code Hours R & I Engine 1000-010 13.8 R & I Cyl. BLK 1201-010 20.4 Sleeve Cyl. First Cylinder: 3.0 Additional Cyl: 2.0 Each Wash engine 1000-074 0.5 Diagnosis 1000-038 1.0 Test After 1000-030 1.0 Labor for Option 2 Description SMCS Code Hours R & I Engine 1000-010 13.8 Transfer comp. 1200-002 12.1 Wash engine 1000-074 0.5 Diagnosis 1000-038 1.0 Test After 1000-030 1.0 |
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PARTS DISPOSITION
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| Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. *****All parts on auto recall***** Return to: Caterpillar Inc. Attn: Kory Endress Building DD Dock 8 Route 29 Old Gelena Road Mossville, Illinois 61552 |
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