PRODUCT SUPPORT PROGRAM FOR REPLACING THE FAN DRIVE HUB ON CERTAIN 773F AND 775F OFF-HIGHWAY TRUCKS
Usage:
REBE5236-02
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| 20Nov2009 |
| (Revised 03Mar2010) |
U-404
A-326
D-356
O-358
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| Before/After | PRODUCT SUPPORT PROGRAM FOR REPLACING THE FAN DRIVE HUB ON CERTAIN 773F AND 775F OFF-HIGHWAY TRUCKS |
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| 1359 | PS42991 |
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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 "PS42991" 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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| NOTE: | This Revised Service Letter replaces the 20Nov2009 (Revised 17Feb2010) Service Letter. A change was made to Image1.7.2 in the attached Rework Procedure. |
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TERMINATION DATE |
| 30Nov2010 |
PROBLEM
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| The existing fan drive bearings can fail on certain 773F and 775F Off-Highway Trucks. If the existing fan drive bearings fail it can cause engine vibration, excessive noise, or may damage the fan drive shroud. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 773F | EED00273-01082 |
| 773F OEM | EXD00100-00110 |
| 775E OEM | DTE00501-00520 |
| 775F | DLS00275-01063 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 1 | 2S3230 | GREASE-HSBB |
| 1 | 4W1203 | CUP-RLR BRG |
| 1 | 4W1204 | CONE-SPL RLR BRG |
| 1 | 5S2106 | SEAL-LIP TYPE |
| 1 | 6Y2736 | CONE-ROLLER BRG |
| 1 | 6Y2737 | CUP-ROLLER BRG |
| 1 | 9F4446 | SEAL-O-RING |
| 1 | 3081528 | BOLT-HEX HEAD |
| 1 | 3446159 | HUB-FAN PULLEY |
| 1 | 3446160 | SHIM PACK |
| 1 | 3459170 | SPACER-BEARING |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 22% 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. See Media Number RENR8278 for disassembly and assembly of the fan drive and refer to the attached Rework Procedure for the replacement of the components within the Fan Drive. |
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SERVICE CLAIM ALLOWANCES
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0-24 mo |
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25-36 mo |
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| NOTE: This is a 4.0-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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| Refer to the Service Manual if/as necessary. Remove Fan Drive per Media RENR8278. |
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| Image1.1.1 |
| Install the 4W1203 Cup into the 3446159 Hub using the 1P0510 Driver. (Image 1.2.1) Ensure that cup is fully seated in hub. Place the 4W1204 Bearing into the hub (Image 1.2.2) and then install the 5S2106 Lip Seal using a 1P0510 Driver (Image 1.2.3). Note: Use suitable bearing packer to pack bearing with grease prior to assembly. |
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| Image1.2.1 |
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| Image1.2.2 |
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| Image1.2.3 |
| Install the 6Y2737 Cup into the hub assembly using a 1P0510 Driver (Image 1.3.1). Ensure that the cup is fully seated in the Hub. |
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| Image1.3.1 |
| Install the 5S9062 Spacer to fan drive shaft (Image 1.4.1). |
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| Image1.4.1 |
| Assemble the shim and hub to the fan drive pulley (Image 1.5.1). |
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| Image1.5.1 |
| Assemble the pulley, hub, and shim from the previous step to the fan drive shaft and then install the 3459170 Spacer to the shaft (Image 1.6.1). Fill the cavity with 2S3230 Grease. |
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| Image1.6.1 |
| Assemble the 6Y2736 Bearing to the fan drive shaft (Image 1.7.1). Assemble the 308-1528 Bolt and 2838493 Retaining Plate to the fan drive shaft (Image 1.7.2). Note: Use a suitable bearing packer to pack the bearing with grease prior to assembly. Note: Apply Blue Loctite 242 to the threads prior to assembly then tighten to a torque of 55 Nm. |
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| Image1.7.1 |
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| Image1.7.2 |
| Fill the cavity in the 283-7316 Adapter with 2S3230 Grease to reference line (Image 1.8.1). Install Fan Drive per Media RENR8278. |
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| Image1.8.1 |
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