PRODUCT SUPPORT PROGRAM FOR REPLACING THE 7T-9788 BRAKE HUB ON CERTAIN D6T, D7RII, AND D8T TRACK-TYPE TRACTORS; AND ON CERTAIN PL83 PIPELAYERS
Usage:
TEBE1399-00
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| 19Jun2014 |
U-358
A-258
D-321
O-303
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| After Failure Only | PRODUCT SUPPORT PROGRAM FOR REPLACING THE 7T-9788 BRAKE HUB ON CERTAIN D6T, D7RII, AND D8T TRACK-TYPE TRACTORS; AND ON CERTAIN PL83 PIPELAYERS |
|
| 3016 4131 | PS52695 |
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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: | This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS52695" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "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 |
| 30Jun2016 |
PROBLEM
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| The existing Brake Hub PN 7T-9788 can be missing lube holes on certain D6T, D7RII, and D8T Track-type Tractors; and on certain PL83 Pipelayers. If the existing hub is missing the lube holes it can result in damage to the brake system. The symptoms to identify this condition include Transmission Filter Plugging Warning Signal illumination, and in certain cases increased brake drag that may be noticed by inability to coast in neutral. |
AFFECTED PRODUCT
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| Model | Identification Number |
| *******Group 1******* | |
| D6T LGP | ZJB01154-01170 |
| D6T LGP PAT | KSB01352-01363, 1365-1380 |
| D6T XL | GMK01150-01154 |
| D6T XL PAT | DTD01148-01152 |
| D6T XW | SLJ01085-01089 |
| D6T XW PAT | RCW01261-01284 |
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| *******Group 2******* | |
| D7R II | KNA00501-00507 |
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| *******Group 3******* | |
| D8T | MLN01747-01748, 1750-1751, 1754-1756 |
| PL83 | KSD00133 |
PARTS NEEDED
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Qty |
Part Number | Description |
| *******Group 1******* | ||
| 1 | 2R0098 | SEAL-O-RING |
| 2 | 6F6673 | SEAL-O RING |
| 4 | 6Y9373 | DISC-FRICTION |
| 3 | 7T6994 | PLATE-CL&BK |
| 1 | 7T9788 | HUB |
| 16 | 8C6913 | WASHER-HARD |
| 1 | 8D4771 | SEAL-O RING |
| 2 | 8T4182 | BOLT-HEX HEAD |
| 2 | 8T4223 | WASHER-HARD |
| 2 | 8T8919 | BOLT |
| 4 | 9S1838 | BOLT-TRACK |
| 2 | 9X2027 | WASHER-HARD |
| 16 | 2194481 | BOLT-HEX HEAD |
| 41 | 2487521 | OIL |
| 4 | 2540224 | BOLT-TCK MASTER |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% 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. |
||
| *******Group 2******* | ||
| 1 | 2R0098 | SEAL-O-RING |
| 2 | 6F6673 | SEAL-O RING |
| 2 | 6V1723 | BOLT-TRACK |
| 2 | 6V1725 | BOLT-TCK MASTER |
| 4 | 6Y9373 | DISC-FRICTION |
| 3 | 7T6994 | PLATE-CL&BK |
| 1 | 7T9788 | HUB |
| 26 | 8C6913 | WASHER-HARD |
| 1 | 8D4771 | SEAL-O RING |
| 2 | 8T4182 | BOLT-HEX HEAD |
| 2 | 8T4223 | WASHER-HARD |
| 2 | 8T8919 | BOLT |
| 2 | 9W9058 | BOLT-TCK MASTER |
| 2 | 9X2027 | WASHER-HARD |
| 26 | 2194481 | BOLT-HEX HEAD |
| 41 | 2487521 | OIL |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 3% 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. |
||
| *******Group 3******* | ||
| 1 | 2R0098 | SEAL-O-RING |
| 2 | 6F6673 | SEAL-O RING |
| 2 | 6V1724 | BOLT-TCK MASTER |
| 4 | 6V1725 | BOLT-TCK MASTER |
| 4 | 6Y9373 | DISC-FRICTION |
| 3 | 7T6994 | PLATE-CL&BK |
| 1 | 7T9788 | HUB |
| 26 | 8C6913 | WASHER-HARD |
| 1 | 8D4771 | SEAL-O RING |
| 2 | 8T4182 | BOLT-HEX HEAD |
| 2 | 8T4223 | WASHER-HARD |
| 2 | 8T8919 | BOLT |
| 2 | 9X2027 | WASHER-HARD |
| 26 | 2194481 | BOLT-HEX HEAD |
| 41 | 2487521 | OIL |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% 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. |
||
ACTION REQUIRED
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| If the existing hub is missing the lube holes inspect the filter and screens to identify if the material is coming from the Friction Discs. If determined the material is from the Friction Discs, inspect 7T-9788 Hub (A) for lube holes in the spline area. If holes are not available, replace 7T-9788 Hub (A) with new 7T-9788 Hub (1) containing holes in the outer diameter spline area. Refer to Disassembly and Assembly procedure (SMCS 4131) to remove and install the final drive and brake module for the inspection of 7T-9788 Hub . Note for Parts Service Claim: Only (4) Master Link Bolts required per Tractor. Use the following to determine Master Link Bolts parts required. Master Link Bolt information for D6T: HD (Heavy Duty) Track use - (4)9S1838 or S1 (SystemOne) Track use - (4)2540224 Master Link Bolt information for D7RII: System Cleaning Shoes use - (2)6V1725 and (2)9W9058 or Grouser Shoe use (2)6V1723 and (2)9W9058 Master Link Bolt information for D8: PPR (Positive Pin Retention) use - (2)6V1724 and (2)6V1725 or S1 (SystemOne) use (4)6V1725 Master Link Bolt information for PL83: (2)6V1724 and (2)6V1725 |
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SERVICE CLAIM ALLOWANCES
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