After Failure Only
| PRODUCT SUPPORT PROGRAM FOR REPLACING THE 6V-8234 SPRING PINS ON CERTAIN 797, 797B, 797F, AND 797F XQ OFF-HIGHWAY TRUCKS |
3030 3160 |
PS52614 |
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 can only be administered after a failure occurs.
The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS52614" as the Part Number
and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "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 11Feb2014 (Revised 31Mar2014) Service Letter. Changes have been made to the 797B Affected Product. |
The existing 6V-8234 Spring Pin can fail or come out of position on certain 797, 797B, 797F, and 797F XQ Off-Highway Trucks. If the existing spring pin fails, it can cause extensive resultant damage to the transmission, including catastrophic failure. |
Qty |
Part Number |
Description |
*******Group 1*******
|
10 |
4471647 |
PIN-SPRING |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 2% 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*******
|
10 |
4471647 |
PIN-SPRING |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% 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 3*******
|
10 |
4471647 |
PIN-SPRING |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% 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 4*******
|
10 |
4471647 |
PIN-SPRING |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% 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.
|
After failure, replace the 6V-8234 Spring Pins (used in planetary gear trains 5 and 6 of the 797 Transmission), with new 447-1647 Spring Pins.
Refer to the Service Manual if/as required.
The transmission needs to be removed from the truck in order to install the new 447-1647 Spring Pins.
For 797 transmissions, refer to RENR2036, Disassembly and Assembly, "Transmission Planetary - Disassemble" and "Transmission Planetary - Assemble", for additional information.
For 797B transmissions, refer to RENR2577, Disassembly and Assembly, "Transmission Planetary - Disassemble" and "Transmission Planetary - Assemble", for additional information.
For 797F transmissions, refer to KENR8372, Disassembly and Assembly, "Transmission Planetary - Disassemble" and "Transmission Planetary - Assemble", for additional information. |