PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING 1L-7203 BEARINGS IN DEALER PART STOCK
Usage:
REBE6651-00
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| 12Nov2010 |
U-452
A-370
D-397
O-396
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| Parts stock action only | PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING 1L-7203 BEARINGS IN DEALER PART STOCK |
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| 7750 | PI70364 |
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| 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 |
| 28Feb2011 |
PROBLEM
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| 1L-7203 Bearings in dealer parts stock need to be inspected for a heat code of C07. These 1L-7203 Bearings with a heat code of C07 were improperly heat-treated. The bearings are normally used in D10N, D10R and D10T final drives, and in 657B, 675G, and 657E retarder and transfer gear groups. A failure of the final drive or retarder is likely to occur if these bearings are used. |
ACTION REQUIRED
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| Inspect all 1L-7203 Bearings in dealer part stock. 1. Inspect the heat code on the face of the inner race (see Image 1) 2. If the heat code on the bearing is C07, then remove the bearing from parts stock. Bearings with a heat code of C07 are not to be used. 3. If the heat code is anything other than C07, no further action is required. |
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| Image1 |
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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