PRODUCT SUPPORT PROGRAM FOR REWORKING THE PIN BOSS FOR BUCKETS ON CERTAIN 390D EXCAVATORS
Usage:
REBE7795-00
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| 18Nov2011 |
U-513
A-420
D-453
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| Before/After | PRODUCT SUPPORT PROGRAM FOR REWORKING THE PIN BOSS FOR BUCKETS ON CERTAIN 390D EXCAVATORS |
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| 6523 6001 6101 | PS43440 |
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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 "PS43440" 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 |
| 30Nov2013 |
PROBLEM
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| The existing stick to bucket pin retainer plate bolts (PT8) can fail on certain 390D Excavators. If the existing retainer bolt fails, the pin retainer plate can fall off allowing the bucket pin to move. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 318B-5080 HEX BKT | Z1K17385, 17388, 17448, 17605, 17607, 17667, 17783-17784, 17786, 17971, 18010, 18012, 18150, 18210 |
| HEX BUCKET | MHC00133, 135-136, 168, 346, 349, 353, 357, 412, 417, 420 MHJ00238-00240, 244-246, 290-296 |
PARTS NEEDED
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| No parts needed for this program |
ACTION REQUIRED
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| Refer to the attached Rework Procedure. |
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SERVICE CLAIM ALLOWANCES
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0-12 mo |
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| NOTE: This is a 4.0-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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| Rework Procedure 1. Remove the bucket from the machine. Refer to the Service Manual for the machine for instructions. Place the bucket on a surface that is firm and level. Make sure that the work area is safe for cutting and welding. 2. Locate boss to be removed on bucket hinge. Refer to Image1.1.1, PT8 Pin Boss (1). 3. Remove weld around the pin boss by grinding and remove the boss. Refer to Image1.1.2. 4. Grind any remaining material flush to hinge plate surface. Refer to Image1.1.3. 5. Grease the pin bore surface and paint the repaired areas with primer ensuring complete coverage. Allow the primer to dry completely. 6. Paint the welded area with a final coat of paint ensuring complete coverage. Allow the paint to dry completely. 7. Wipe away grease in pin bore and any primer / paint contaminants. 8. Install the bucket onto the machine. Refer to the Service Manual for the machine for instructions. |
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| Image1.1.1 |
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| Image1.1.2 |
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| Image1.1.3 |
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