Before/After
| PRODUCT SUPPORT PROGRAM FOR REPLACING THE HYDRAULIC LASH ADJUSTERS (HLA) ON CERTAIN C175-20 LOCOMOTIVE ENGINES |
1208 1102 1123
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PS45580 |
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.
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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 "PS45580" 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. |
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NOTE: |
This Revised Service Letter replaces the 17Aug2017 Service Letter. A change has been made to the Affected Product. |
The existing HLA can prematurely fail on certain C175-20 Locomotive Engines. If the existing HLA fails it can/will result in valve damage. |
Qty |
Part Number |
Description |
40 |
2360540 |
SCREW-ADJUSTING |
40 |
5117022 |
PUSHROD AS-HLA |
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.
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Utilize the following documentation in to install the new HLA Pushrods and Adjusting Screws.
Ensure the new HLAs are properly filled with oil by following UENR2993, Testing and Adjusting, "Valve Lash - Adjust - Hydraulic Lash Adjusters", starting at Step 4.
Refer to M0067480, "Rocker Shaft and Push Rods", "Remove", and "Install".
Refer to M0067480, "Rocker Shaft", "Disassemble", and "Assemble".
NOTE: HLA is a zero lash system. Ensure UENR2993, Testing and Adjusting, "Valve Lash - Adjust - Hydraulic Lash Adjusters", Step 13 and Step 14 is followed. |
Product smu/age whichever comes first |
Caterpillar |
Dealer Suggested |
Customer Suggested |
Parts % |
Labor Hrs% |
Parts % |
Labor Hrs% |
Parts % |
Labor Hrs% |
0-6000 hrs, 0-24 mo |
100.0% |
100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
NOTE: This is a 16.0-hour job
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Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
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