PRODUCT SUPPORT PROGRAM FOR REPLACEMENT OF THE ENGINE MOUNTING NUT ON CERTAIN 559C, 579C, 2384C, AND 2484C KNUCKLEBOOM LOADERS
Usage:
TEBE0577-00
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| 26Nov2013 |
U-581
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| Before/After | PRODUCT SUPPORT PROGRAM FOR REPLACEMENT OF THE ENGINE MOUNTING NUT ON CERTAIN 559C, 579C, 2384C, AND 2484C KNUCKLEBOOM LOADERS |
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| 1153 1154 1152 | PS44096 |
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| 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 "PS44096" 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. |
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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 |
| 30Nov2015 |
PROBLEM
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| The existing 8T-4131 Nut can work loose on certain 559C, 579C, 2384C, and 2484C Knuckleboom loaders. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 2384C | KAW00251-00286 |
| 2484C | KAZ00251-00260 |
| 559C | KAS00250-00251, 253-356, 358-360 |
| 579C | KAX00250-00269 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 4 | 6V7688 | LOCKNUT |
| 4 | 8C8478 | BOLT-HEX HEAD |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 11% 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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| Prior to performing any work to the machine follow all safety guidelines outlined in the machines Operation and Maintenance Manual. 1. Replace the four original 8T-4131 Nuts with new engine mounting 6V-7688 Locknuts. Also replace the original engine mounting 8C-8478 Bolts with the same part number, in the case that the thread was damage while the bolts were loose. 2. Tighten the new 6V-7688 Locknuts to a specified torque of 520 +/- 70 N.m. |
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SERVICE CLAIM ALLOWANCES
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0-24 mo |
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| NOTE: This is a 1.0-hour job | ||||||
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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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