Before/After
| PRODUCT SUPPORT PROGRAM FOR REPLACING TURBO SUPPORT STRUCTURE BOLTS ON 3512CHD LAND ELECTRIC DRILLING ENGINES |
1052 7553 |
PS44412 |
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 "PS44412" 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. |
The existing bolts for the turbo support bracket may not be properly tightened to the correct torque due to a missassembly. If the bolts loosen, the o-rings on the turbo return lines can fret and cause an oil leak. |
Qty |
Part Number |
Description |
2 |
6V1612 |
BOLT-HEX HEAD |
2 |
2923198 |
WASHER-HARD |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 7% 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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Remove the two outer bolts in the center of the turbo support bracket. Replace them with 6V-1612 Bolts and 292-3198 Washers. Tighten the bolts to a torque of 105 N-m. |
Product smu/age whichever comes first |
Caterpillar |
Dealer Suggested |
Customer Suggested |
Parts % |
Labor Hrs% |
Parts % |
Labor Hrs% |
Parts % |
Labor Hrs% |
0-12000 hrs, 0-18 mo |
100.0% |
100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
NOTE: This is a 1.0-hour job
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Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
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