PRODUCT SUPPORT PROGRAM FOR REPLACING THE AFTERCOOLER ON CERTAIN C18 MARINE ENGINES
Usage:
REBE8641-00
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| 24Aug2012 |
U-449
A-359
D-385
O-414
TM-5
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| Before/After | PRODUCT SUPPORT PROGRAM FOR REPLACING THE AFTERCOOLER ON CERTAIN C18 MARINE ENGINES |
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| 1063 | PS43684 |
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| 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 "PS43684" 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. |
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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 |
| 31Aug2014 |
PROBLEM
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| The existing flange weld can crack on a 3150047/">315-0047 Aftercooler. This is usually noticed during a scheduled aftercooler clean and test procedure. The stress is caused by thermal expansion and contraction of the aftercooler cover and base. The cover material has been changed from aluminum to iron, reducing thermal expansion and contraction. A new base and plate must also be installed to support the additional weight of the cover. Note: The flange cracks have not been associated with leaking aftercoolers. Refer to Image1 in the Action Required for an example of a flange crack. |
AFFECTED PRODUCT
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| Model | Identification Number |
| C18 | CKH00815, 817, 837-839, 842-843, 845, 847-849, 851, 853, 856-858, 2093, 2803, 2809 PLE00470, 483, 488-489, 494, 575 T2P00433, 453, 465, 567, 570 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 2 | 2N0475? | SEAL-O-RING |
| 2 | 3P0654 | SEAL-O-RING |
| 5 | 6V4365 | SEAL-O-RING |
| 1 | 6V5048? | SEAL-O-RING |
| 1 | 7D7111? | SEAL-O-RING |
| 1 | 1504104 | GASKET |
| 2 | 2014233? | GASKET |
| 2 | 2377623 | SEAL-O-RING |
| 1 | 3150047 | CORE AS-AFTCLR |
| 1 | 3764893 | COVER-AFTCLR |
| 1 | 3833042 | BASE AS-AFTCLR |
| 1 | 3862529 | PLATE |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 30% 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
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| If a cracked flange weld is found, install the new parts that are listed in the Parts Needed. Refer to the service manual if/as necessary. Painting of the cover, base and plate will be required. Refer to Image2 for the location of the components. |
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| Image1 |
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| Image2 |
SERVICE CLAIM ALLOWANCES
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0-120 mo |
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| NOTE: This is a 4.0-hour job | ||||||
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PARTS DISPOSITION
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| Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
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