PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 3P2574 BEARING IN TORQUE CONVERTERS ON CERTAIN AD45 AND AD55 UNDERGROUND ARTICULATED TRUCKS; AND 770, 772, 773F, AND 775F OFF-HIGHWAY TRUCKS
Usage:
REBE3082-00
Show/hide table
| 12Dec2007 |
U-643
A-524
D-526
O-562
Show/hide table
| Priority Parts stock action needed | PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 3P2574 BEARING IN TORQUE CONVERTERS ON CERTAIN AD45 AND AD55 UNDERGROUND ARTICULATED TRUCKS; AND 770, 772, 773F, AND 775F OFF-HIGHWAY TRUCKS |
|
| 3101 | PI31413 |
|
Show/hide table
| NOTE: | This Program must be administered as soon as possible. When reporting the repair, use "PI31413" as the Part Number and "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. Exception: If the repair is done after failure, use "PI31413" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code. |
Show/hide table
| 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. |
Show/hide table
Show/hide table
COMPLETION DATE |
TERMINATION DATE |
| 30Jun2008 | 31Dec2008 |
PROBLEM
Show/hide table
| The 3P2574 bearing in torque converters needs to be inspected and replaced, if necessary, on certain AD45 and AD55 Underground Articulated Trucks; and 770, 772, 773F, and 775F Off-Highway Trucks. The existing bearing may have undersize rollers that could fatigue the bearing cage and fail. |
AFFECTED PRODUCT
Show/hide table
| Model | Identification Number |
| *******Group 1******* | |
| AD45B | CXM00354, 356-359, 361, 363-364, 366 |
| AD55 | DNW00609-00610 |
Show/hide table
| *******Group 2******* | |
| 773F | EED00379-00392, 394, 396-404, 406, 408, 410, 414-417, 444, 452 |
| 775F | DLS00379-00403, 406-410, 413-415, 418-421, 424, 443 |
Show/hide table
| *******Group 3******* | |
| 770 | BZZ00084-00086, 88-89, 109 |
| 772 | RLB00288, 291, 294-297, 300 |
PARTS NEEDED
Show/hide table
Qty |
Part Number | Description |
| *******Group 1******* | ||
| 1 | 3P2573 | RACE-BRG INNER |
| 1 | 3P2574 | RACE&RLR AS |
| 1 | 4H6730 | SEAL-O RING |
| 2 | 5H4082 | SEAL-O RING |
| 2 | 8L3017 | SEAL-O-RING |
| 2 | 8M4433 | SEAL-O-RING |
| In Order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 40% 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 | 3P2573 | RACE-BRG INNER |
| 1 | 3P2574 | RACE&RLR AS |
| 1 | 4H6730 | SEAL-O RING |
| 1 | 1467311 | SEAL-O-RING |
| 1 | 1467312 | SEAL-O-RING |
| In Order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 40% 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******* | ||
| 1 | 3P2573 | RACE-BRG INNER |
| 1 | 3P2574 | RACE&RLR AS |
| 2 | 9H0846 | SEAL-O RING |
| 1 | 1395802 | SEAL LIP-TYPE |
| 1 | 1495461 | SEAL-O-RING |
| 3 | 1495462 | SEAL-O-RING |
| In Order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 40% 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
Show/hide table
Remove all 3P2574 bearings with the two alpa-character date code "AP" from dealer parts stock. |
Show/hide table
| Follow appropriate Removal instructions for each model to remove the torque converter assembly from the vehicle. Follow the appropriate Disassembly instructions to access the 3P2574 Bearing in the torque converter. Inspect the bearing looking for the two alpha-character date code (see attached illustration). If the bearing code is "AP", it should be removed and replaced with a new 3P2574 Bearing and 3P2573 Race. If the bearing code is other that "AP", the torque converter can be reassembled without replacing the bearing. |
Show/hide table
|
| Image1 |
OWNER NOTIFICATION
Show/hide table
| U.S. and Canadian owners will receive the attached Owner Notification. |
SERVICE CLAIM ALLOWANCES
Show/hide table
|
Submit one claim for all parts removed from dealer parts stock. |
Show/hide table