PRODUCT SUPPORT PROGRAM FOR REPLACING THE 242-8901 RETARDER CONTROL ON CERTAIN 770, 772, 773F, 775F, AND 777F OFF-HIGHWAY TRUCKS
Usage:
REBE3098-00
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| 04Feb2008 |
U-56
A-47
D-45
O-51
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| After Failure Only Parts stock action needed | PRODUCT SUPPORT PROGRAM FOR REPLACING THE 2428901/">242-8901 RETARDER CONTROL ON CERTAIN 770, 772, 773F, 775F, AND 777F OFF-HIGHWAY TRUCKS |
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| 7301 1408 7610 7620 | PS51440 |
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| 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 "PS51440" 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. |
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| 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. |
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| 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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TERMINATION DATE |
| 28Feb2009 |
PROBLEM
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| Excessive deadband may exist at the beginning and end of the travel of the 2428901/">242-8901 Retarder Control Lever on certain 770, 772, 773F, 775F, and 777F Off-Highway Trucks. In some machine applications it could be difficult for the retarder control to be modulated smoothly. This service letter should be applied only if there are modulation complaints. |
AFFECTED PRODUCT
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| Model | Identification Number |
| *******Group 1******* | |
| 773F | EED00273-00489 |
| 775F | DLS00275-00480 |
| 777F | JRP00277-00806 |
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| *******Group 2******* | |
| 770 | BZZ00069-00119 |
| 772 | RLB00271-00313 |
PARTS NEEDED
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Qty |
Part Number | Description |
| *******Group 1******* | ||
| 1 | 2428901 | SWITCH AS |
| 1 | 3202669 | SFWR GP-A3003 |
| In Order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 4% 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 | 2428901 | SWITCH AS |
| 1 | 3202402 | SFWR GP-A3001 |
| In Order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 4% 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. | ||
ACTION REQUIRED
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Remove all 2428901/">242-8901 Retarder Control Switchs from dealer parts stock with Date Codes of 0723 or earlier. Parts with Date Codes of 0723 or earlier are suspect and should not be used. |
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| Refer to the Service Manual as necessary. After there are modulation complaints, remove and replace 2428901/">242-8901 Retarder Control Switch. Verify that the 2428901/">242-8901 Retarder Control Switch being installed has a Date Code of 0724 or newer. The switch/lever is located on right side of steering column. Image2 With the plastic shroud removed, the retarder control lever is shown on the left side in Image3, and is still attached to the Column Switch Assembly (P/N 246-2669). Verify that the 2428901/">242-8901 Retarder Control Switch being used for this service letter has a Date Code 0724 or newer. Install a new 2428901/">242-8901 Retarder Control. Tighten the mounting bolts to a torque of 2.25 +/- 0.25 N.m. Re-install the plastic shroud. For all machines listed in Group 1, Software P/N 320-2669 should be flashed into the Integrated Brake Control (IBC), ECM. For all machines listed in Group 2, Software P/N 320-2402 should be flashed into the Chassis Control, ECM. NOTE: Always check SISWEB for the latest software flash file, in the event either of these files may have been replaced by new software. |
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| Image1 |
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| Image2 |
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| Image3 |
SERVICE CLAIM ALLOWANCES
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|
Submit one claim for all parts removed from dealer parts stock. |
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| *******Group 1******* | ||||||
0-36 mo |
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| NOTE: This is a 1.0-hour job for Group 1 | ||||||
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| *******Group 2******* | ||||||
0-36 mo |
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| NOTE: This is a 1.0-hour job for Group 2 | ||||||
PARTS DISPOSITION
| Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
| Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
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