PRODUCT SUPPORT PROGRAM FOR REPLACING THE TURBOCHARGER BOOST AIR PIPES ON CERTAIN 3512B HD LOCOMOTIVE ENGINES.
Usage:
REBE1426-00
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| 08Jan2007 |
O-11
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| Before/After | PRODUCT SUPPORT PROGRAM FOR REPLACING THE TURBOCHARGER BOOST AIR PIPES ON CERTAIN 3512B HD LOCOMOTIVE ENGINES. |
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| 1071 1000 | PS42321 |
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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 "PS42321" 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 |
| 31Jan2009 |
PROBLEM
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| The existing turbocharger air pipes can wear or crack on certain 3512B HD locomotive engines. If the existing air pipes fail, it can cause air boost leaks resulting in high exhaust temperatures. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 3512B | PWG00100-00194 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 4 | 0S1591 | BOLT |
| 4 | 0T0055 | BOLT |
| 4 | 1A2029 | BOLT |
| 8 | 2162211 | CLAMP-T'BOLT |
| 2 | 2684743 | HOSE-HUMP |
| 1 | 2685659 | PIPE-AIR (LH) |
| 2 | 2685661 | ADAPTER |
| 1 | 2731184 | BRACKET AS |
| 1 | 2823458 | BRACKET AS |
| 1 | 2823459 | PIPE-AIR (RH) |
| 4 | 2K4973 | LOCKNUT |
| 12 | 5M2894 | WASHER-HARD |
| 2 | 7N6986 | SUPPORT |
| 8 | 8M9024 | WASHER-HARD |
| 4 | 9S8752 | NUT-FULL |
ACTION REQUIRED
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| Replace the existing air pipes with a Hump Hose design (Ref. air lines group 281-0768) to allow flexibility for vibration, thermal growth, and movement. |
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SERVICE CLAIM ALLOWANCES
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| NOTE: This is a 8.0-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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| Replace the current airline with the parts defined in this publication and consistent with the two images as shown. ***NOTE: The hump hoses when in proper alignment will show no flat spots or lack of concentricity with the connecting air piping. |
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| Image1.1.1 |
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| Image1.1.2 |
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