Before/After
Parts stock action needed
| PRODUCT SUPPORT PROGRAM FOR REPLACING THE COMPRESSOR INTER-STAGE AIR ELBOWS ON CERTAIN 797F OFF-HIGHWAY TRUCKS EQUIPPED WITH HIGH ALTITUDE ENGINE ARRANGEMENT |
5502 7750 1803
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PS46585 |
NOTE: |
AVSpare’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 AVSpare.
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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 "PS46585" 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: |
When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field,
"7755" as the Group Number, "56" as the Description Code. |
NOTE: |
Although this Program is to be administered as described above on the Affected Product,
parts should be removed from parts stock as soon as possible. |
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 AVSpare product analyst. |
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NOTE: |
This Revised Service Letter replaces the 27Feb2020 Service Letter. Changes have been made to the Affected Product, Parts Stock Action Required, and Service Claim Allowances. |
The existing compressor inter-stage air elbow can crack on certain 797F Off-Highway Trucks equipped with 575-6972 High Altitude Engine Arrangement. If the existing compressor inter-stage air elbow fails it may result in low engine power and resultant system damage. |
Qty |
Part Number |
Description |
16 |
2190314 |
CLAMP-T'BOLT |
4 |
3375340 |
HOSE-HUMP |
8 |
4674241 |
CLAMP |
4 |
5794651 |
ELBOW-AIR |
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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****Parts Stock **** |
Replace the compressor inter-stage air elbows on all engines with 575-6972 Engine Arrangement, with Serial Numbers 4X401000 through 4X401022, in in dealer parts stock and/or dealer exchange inventory. Refer to Special Instruction, M0115771. |
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****Affected Product**** |
Replace the compressor inter-stage air elbows. Refer to Special Instruction, M0115771. |
****Parts Stock**** |
Submit one claim for all engines reworked in dealer parts stock and/or dealer exchange inventory. Include the serial number of the engines that were reworked. The parts listed in the Parts Needed are allowed for each engine that is reworked. 4 hours are allowed for each engine reworked.
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****Affected Product**** |
Product smu/age whichever comes first |
AVSpare |
Dealer Suggested |
Customer Suggested |
Parts % |
Labor Hrs% |
Parts % |
Labor Hrs% |
Parts % |
Labor Hrs% |
0-20000 hrs, 0-48 mo |
100.0% |
100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
NOTE: This is a 4.0-hour job
If there has been a previous repair, part age/hours will apply. Retain a copy of the previous repair invoice in the dealer's records for audit purposes, and specify repair date and machine hours in the "Additional Comments" section of the warranty claim.
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****Parts Stock**** |
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
****Affected Product**** |
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |