PRODUCT SUPPORT PROGRAM FOR INSPECTING THE BOLTS FOR THE SWING BEARING ON CERTAIN 336E EXCAVATORS
Usage:
TEBE0266-00
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| 03Sep2013 |
U-392
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| Before/After | PRODUCT SUPPORT PROGRAM FOR INSPECTING THE BOLTS FOR THE SWING BEARING ON CERTAIN 336E EXCAVATORS |
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| 7063 | PS44002 |
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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 "PS44002" 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 |
| 30Sep2015 |
PROBLEM
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| Due to an issue with the torque tool that tightens the bolts connecting the swing bearing to the upper frame, the bolts were not tightened to the correct tightening specification on certain 336E Excavators. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 336E L | FJH00496-00505, 509-537 JRJ00251-00263 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 42 | 8T0671 | BOLT-HEX HEAD (After Failure Only) |
| 42 | 0930020 | SPACER (After Failure Only) |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 7% 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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| Static torque check the bolts from the swing bearing to the upper frame. The correct tightening specification for the bolts is 900 +/- 100 N.m (665 +/- 75 lb ft). If any of the bolts are found loose, remove the loose bolt, clean the threads on the bolt and the internal threads on the machine. Inspect the threads for any damage. If the threads are damaged, repair the threads or replace the bolt. Apply Loctite 243 on the bolt threads and reinstall the bolt. Tighten the bolt to a specified torque of 900 +/- 100 N.m (665 +/- 75 lb ft). |
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| Image1 |
SERVICE CLAIM ALLOWANCES
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0-12 mo |
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| NOTE: This is a 4.0-hour job | ||||||
| 4.0 hours is allowed for inspection and, if required, replacement of the bolts. |
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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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