PRODUCT SUPPORT PROGRAM FOR REPLACING THE SLOW RETURN CHECK VALVE ON CERTAIN 345D AND 349D EXCAVATORS
Usage:
TEBE0160-00
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| 19Dec2013 |
U-644
A-449
D-528
O-542
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| Before/After | PRODUCT SUPPORT PROGRAM FOR REPLACING THE SLOW RETURN CHECK VALVE ON CERTAIN 345D AND 349D EXCAVATORS |
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| 5057 | PS44135 |
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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 "PS44135" 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 |
| 31Dec2015 |
PROBLEM
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| The existing slow return check valve can fail on certain 345D and 349D Excavators. If the existing slow return check valve fails, it can create abnormal noise and can cause functional complaints due to higher pressure in the return circuit. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 345D | NEG00179-00616 |
| 345D L | EEH00001, 221-1288 MLK00161-00183 PBT00168-00587 RAJ00231-00444 RGG00101-00269 YEE00241-00731 |
| 345D LC-VG | LKY00251-00540 |
| 349D | MEN00172-00542 |
| 349D L | JGB00201-00901 NNF00108-00480 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 1 | 4J0527 | SEAL-O-RING |
| 1 | 5K9090 | SEAL-O-RING-ORFS |
| 1 | 6J2680 | SEAL-O RING |
| 1 | 7M8485 | SEAL-O-RING |
| 1 | 4433371 | VALVE GP-CHECK-C |
| 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. |
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ACTION REQUIRED
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| 1. Remove the former slow return check valve. Refer to RENR9574, Disassembly and Assembly, "Check Valve (Slow Return) - Removal and Install". 2. Install a new 443-3371 Slow Return Check Valve Group. Refer to RENR9574, Disassembly and Assembly, "Check Valve (Slow Return) - Removal and Install". |
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SERVICE CLAIM ALLOWANCES
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0-12 mo |
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13-36 mo |
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| NOTE: This is a 5.0-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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