Before/After
| PRODUCT SUPPORT PROGRAM FOR REWORKING THE LEFT FRONT BRAKE COOLING LINE ON CERTAIN 797F OFF HIGHWAY TRUCKS |
| 4257
|
PS44486 |
| 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 "PS44486" 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. |
| |
| NOTE: |
This Revised Service Letter replaces the 23Sep2014 Service Letter. Changes have been made to the Affected Product. |
| The existing brake cooling lines can be kinked or crushed on certain 797F Off-Highway Trucks. If the existing lines group fails it can cause a leak and unplanned downtime. |
Qty |
Part Number |
Description |
|
*******Group 1*******
|
| 1 |
6V8001 |
SEAL-O-RING |
| 2 |
8T0568 |
SEAL-O-RING |
| 4 |
8T4140 |
BOLT-HEX HEAD |
| 1 |
2352481 |
SEAL-RECTANGULAR |
| 1 |
2352482 |
SEAL-RECTANGULAR |
| 1 |
4526651 |
PLATE AS. |
| 1 |
4526653 |
HOSE AS |
| 1 |
4605871 |
TUBE AS |
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.
|
|
*******Group 2*******
|
| 1 |
6V8001 |
SEAL-O-RING |
| 1 |
2352481 |
SEAL-RECTANGULAR |
| 1 |
2352482 |
SEAL-RECTANGULAR |
| 1 |
4605871 |
TUBE AS |
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.
|
Group 1 may experience hose kinking on the left front brake cooling lines. Update the lines group with the parts list identified. Refer to the Service Manual if/as necessary and see the attached Rework Procedure.
Group 2 may experience hard contact with the 452-6650 Tube Assembly and the left front suspension cylinder. Replace the tube assembly with a new 460-5871 Tube Assembly. Refer to the Service Manual if/as necessary and see the attached Rework Procedure. |
