PRODUCT IMPROVEMENT PROGRAM FOR REMOVING 487-8468 RETAINING RINGS FROM DEALER PART STOCK
Usage:
TEBE5550-00
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| 29Nov2016 |
U-623
A-448
D-522
O-524
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| Parts stock action only | PRODUCT IMPROVEMENT PROGRAM FOR REMOVING 487-8468 RETAINING RINGS FROM DEALER PART STOCK |
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| 7750 | PI70648 |
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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: | When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field, "7751" as the Group Number, "56" as the 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 |
| 28Feb2017 |
PROBLEM
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| The existing 487-8468 Retaining Ring for the wastegate actuator can fail by stress corrosion cracking (SCC). The resistance of the wastegate actuator retaining ring against SCC has been enhanced by improving the manufacturing process. |
ACTION REQUIRED
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| Remove all 487-8468 Retaining Rings from dealer parts stock. The part's before improvement and after improvement appearance looks the same and has the same part number. The parts with the risk of SCC have been removed from all the parts distribution centers. |
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SERVICE CLAIM ALLOWANCES
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| Submit one claim for all parts removed from dealer parts stock. |
PARTS DISPOSITION
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| Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
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