Usage:
02Nov2017 |
Before/After | PRODUCT SUPPORT PROGRAM FOR REPLACING THE AFTERCOOLER PLENUM BOLTS ON CERTAIN C175-16 LOCOMOTIVE ENGINES |
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1071 1063 | PS45667 |
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 "PS45667" 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. |
TERMINATION DATE |
30Nov2020 |
PROBLEM
The existing aftercooler can leak on certain C175-16 Locomotive Engines. If the existing aftercooler leaks it can/will cause a decrease in boost pressure and high exhaust temperatures. |
AFFECTED PRODUCT
Model | Identification Number |
C175-16 | 3A900100-00136 KWT00100-00134 Y3A00100-00137 |
PARTS NEEDED
Qty |
Part Number | Description |
36 | 8T4172 | BOLT-HEX HEAD |
12 | 8T4186 | BOLT-HEX HEAD |
12 | 0910081 | WASHER-HARD |
8 | 0951687 | SEAL-O-RING |
1 | 1090077 | SEAL-O-RING |
8 | 2396808 | CLAMP-V-BAND |
2 | 2459907 | GASKET-ELBOW |
4 | 2588738 | SEAL-O-RING |
4 | 2594597 | SEAL-O-RING |
4 | 2643088 | BELLOWS |
2 | 2747689 | GASKET-AFTCLR |
36 | 4394789 | SPACER |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 25% 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
1. Remove the aftercooler. Refer to UENR3283, "Aftercooler - Remove and Install". NOTE: The outlet plenum may have to be removed to allow for additional clearance to accommodate removal. 2. Disassemble the inlet plenum of the aftercooler. 3. Clean mating surfaces and install new 274-7689 Gasket. NOTE: Loctite 243 must be applied to the bolts for steps 4 and 5. 4. Install the 36 Bolts (8T-4172) and 36 Spacers (439-4789) in locations 1, 4-8, 11-15, 17-26, 29-37, 40-45. 5. Install the twelve 8T-4186 Bolts and twelve 091-0081 Spacers in locations 2-3, 9-10, 16, 27-28, 38-39, 46-48. 6. Tighten the bolts to 65 Nm. 7. Tighten the bolts again to 65 Nm. |
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SERVICE CLAIM ALLOWANCES
0-100 mo |
NOTE: This is a 16.0-hour job | ||||||
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |