PRODUCT SUPPORT PROGRAM FOR REPLACING THE REAR SUSPENSION CYLINDER BEARINGS ON CERTAIN 770G AND 772G OFF-HIGHWAY TRUCKS
Usage:
TEBE4101-00
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| 25Apr2016 |
A-149
D-176
O-168
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| After Failure Only | PRODUCT SUPPORT PROGRAM FOR REPLACING THE REAR SUSPENSION CYLINDER BEARINGS ON CERTAIN 770G AND 772G OFF-HIGHWAY TRUCKS |
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| 7551 7200 7213 7201 7230 | PS53198 |
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| 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 "PS53198" 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: | 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 |
| 30Apr2018 |
PROBLEM
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| The existing bearings may fail in a rear suspension cylinder on certain 770G and 772G Off-Highway Trucks. The bearings may fail if the incorrect bearing part number was installed. Similar bearings are the same size but do not have the same pathways for grease to move inside the bearing to provide proper lubrication. If the existing bearings are of the incorrect part number (6J-1144), they are subject to failure due to lack of proper lubrication. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 770G | ECM00153-00297, 301-308, 310, 313-315, 317-319, 321 |
| 772G | LTS00250, 254-362 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 2 | 3424640 | BEARING-ALIGNING |
| 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. |
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ACTION REQUIRED
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| Failure in this letter is defined as lack of bearing lubrication due to incorrect 6J-1144 Bearings being installed in a rear suspension cylinder. Refer to the Service Manual if/as necessary to remove the rear suspension cylinder and install the (correct) 342-4640 Bearings. The 342-4640 Bearing has internal passages to allow grease to move from the pin to the outside spherical surface. |
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SERVICE CLAIM ALLOWANCES
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0-24 mo |
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| NOTE: This is a 6.0-hour job | ||||||
| Failure in this letter is defined as lack of bearing lubrication due to an incorrect 6J-1144 Bearing being installed. |
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PARTS DISPOSITION
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| Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
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