PRODUCT SUPPORT PROGRAM FOR INSPECTING AND REWORKING THE BRAKE AIR/HYDRAULIC CYLINDER - REAR ON CERTAIN 777D OFF-HIGHWAY TRUCKS
Usage:
REBE9309-00
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| 16Jan2013 |
D-16
O-15
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| Before/After | PRODUCT SUPPORT PROGRAM FOR INSPECTING AND REWORKING THE BRAKE AIR/HYDRAULIC CYLINDER - REAR ON CERTAIN 777D OFF-HIGHWAY TRUCKS |
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| 4277 | PS43818 |
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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 "PS43818" 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 |
| 31Jan2015 |
PROBLEM
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| The existing air/hydraulic cylinder can leak air on certain 777D Off-Highway Trucks. The leak may result in unsatisfactory performance of the air system and cause unplanned downtime of the truck. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 777D | FKR00563-01363 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 1 | 6W7305 | SPRING |
| 1 | 9V3131 | SEAL-PISTON |
| 1 | 3188225 | CYLINDER KIT |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 12% 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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| Refer to the Service Manual if/as necessary. Read and understand the following instructions thoroughly before proceeding with any action. 1. Inspect the manufacturing date code of Rear Brake Air/hydraulic cylinder for the machine serial numbers given in the Affected Product. Refer to the attached Image1.1.1 in the Rework Procedure for date code location. 2. If the date codes found on the cylinder are between the ranges that are listed below, replace the parts and follow the attached Rework Procedure. 249 09 to 365 09 001 10 to 365 10 001 11 to 060 11 3. If the date code is not within the above range, submit a Warranty Claim for 1.0 hours and include a comment that states "Inspected OK", along with the date code of the Rear Air/Hydraulic cylinder. |
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SERVICE CLAIM ALLOWANCES
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0-24 mo |
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| NOTE: This is a 1.0-hour job | ||||||
| 1.0 hours will be allowed for inspection of the date code. And additional 3.0 hours will be allowed in order to repair the cylinder if the date code is within the affected range. |
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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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| 1. Refer RENR8432, Disassembly and Assembly, "Air/Hydraulic Cylinder (Rear) - Remove". 2. Refer RENR8432, Disassembly and Assembly, "Air/Hydraulic Cylinder (Rear) - Dissemble". 3. Replace the parts provided in the Parts Needed and ensure proper seating of spring in the piston retainer groove and piston seal. 4. Refer RENR8432, Disassembly and Assembly, "Air/Hydraulic Cylinder (Rear) - Assemble". 5. Refer RENR8432, Disassembly and Assembly, "Air/Hydraulic Cylinder (Rear) - Install". 6. Submit a Warranty Claim for 4.0 hours and include the comment "Inspected & Repaired", along with the date code of the Rear Air/Hydraulic cylinder. Refer to Image1.1.1 for the location of the date code on the Air/Hydraulic cylinder. |
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| Image1.1.1 |
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