PRODUCT SUPPORT PROGRAM FOR REPLACING THE LIP SEAL AND OTHER INTEGRAL COMPONENTS OF THE POWER TRANSMISSION ON CERTAIN 994F WHEEL LOADERS
Usage:
REBE6316-00
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| 20Sep2010 |
U-381
A-302
D-329
O-333
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| After Failure Only | PRODUCT SUPPORT PROGRAM FOR REPLACING THE LIP SEAL AND OTHER INTEGRAL COMPONENTS OF THE POWER TRANSMISSION ON CERTAIN 994F WHEEL LOADERS |
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| 7555 3108 | PS51897 |
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| 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 "PS51897" 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 |
| 30Sep2012 |
PROBLEM
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| The existing lip seal can leak oil or wear down on certain 994F Wheel Loaders. If the existing lip seal leaks or fails it can lead to other component failures within the power transmission driveline system. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 994F | 44200149-00313 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 2 | 2N3253 | CUP-ROLLER BRG |
| 2 | 2N3254 | CONE-ROLLER BRG |
| 1 | 4D4508 | SEAL-O-RING |
| 1 | 5H2824 | SEAL-O RING |
| 2 | 5P6868 | SEAL-LIP TYPE |
| 1 | 6Y6678 | SHIM-PACK |
| 1 | 3413332 | FLANGE |
| 1 | 3413333 | SHAFT AS-OUTPUT |
| 1 | 3413339 | YOKE |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 5% 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 attached Rework Procedure. |
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SERVICE CLAIM ALLOWANCES
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0-48 mo |
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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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| If the 5P-6868 Lip Seal is leaking on the front or rear pump drive, follow the instructions below to replace all of the components as stated for either drive. |
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| Image1.1.1 |
| Location of the Front Pump Drive |
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| Image1.2.1 |
| Disconnect the shaft from the yoke on front pump drive. |
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| Image1.3.1 |
| Front Pump Drive (As Shipped) |
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| Image1.4.1 |
| Remove the following parts: 8T-0281 Bolt 3P-1669 Retainer-Shaft 5H-2824 Seal 4E-7924 Yoke 5P-6868 Seal Re-use the following parts: 3P-1669 Retainer-Shaft 8T-0281 Bolt Install the following new parts: 5P-6868 Seal 341-3339 Yoke 5H-2824 Seal |
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| Image1.5.1 |
| Location of the Rear Pump Drive |
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| Image1.6.1 |
| Remove the 148-2711 Coupling. |
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| Image1.7.1 |
| Rear Pump Drive (As Shipped) |
 |
| Image1.8.1 |
| Remove the following parts: 109-1529 Flange 5P-6868 Seal 6Y-6615 Cage-Bearing 6Y-6678 Shim Pack 4D-4508 Seal 6Y-6667 Shaft As-Output (2) 2N3254 Cone-Roller Bearing (2) 2N3253 Cup-Roller Bearing 6Y-6667 Shaft As-Output 6Y-6608 Gear as an assembly Remove (1) 2N-3254 Cone-Roller Bearing and 2N-3253 Cup-Roller Bearing from the 6Y-6667 Shaft As-Output in order to remove the 6Y-6608 Gear. Press a new 2N-3254 Cone-Roller Bearing and 2N-3253 Cup-Roller Bearing on the 341-3333 Shaft Assembly. Slide on the 6Y-6608 Gear and press on second new 2N-3254 Cone-Roller Bearing and 2N-3253 Cup-Roller Bearing. Install the assembly into the pump drive. Re-use the following part: 6Y-6615 Cage-Bearing Install the following new parts: 4D-4508 Seal 6Y-6678 Shim pack 5P-6868 Seal 341-3332 Flange Reassemble the 148-2711 Coupling. |
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