PRODUCT SUPPORT PROGRAM FOR REPLACING THE VOLTAGE ADJUST POTENTIOMETER ON CERTAIN C2.2, C4.4, AND C6.6 GENERATOR SETS
Usage:
REBE8006-00
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| 16Feb2012 |
U-79
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| After Failure Only | PRODUCT SUPPORT PROGRAM FOR REPLACING THE VOLTAGE ADJUST POTENTIOMETER ON CERTAIN C2.2, C4.4, AND C6.6 GENERATOR SETS |
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| 1417 7451 | PS52173 |
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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 "PS52173" 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 |
| 28Feb2014 |
PROBLEM
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| The existing voltage adjust potentiometer on a certain C2.2, C4.4, and C6.6 Generator Sets have the incorrect value. This will result in limited or excessive range of voltage adjustment. If the existing potentiometer is the wrong value it can be replaced with the correct potentiometer. |
AFFECTED PRODUCT
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| Model | Identification Number |
| *******Group 1******* | |
| C6.6 | N6D02618-02619, 2621, 2626-2627, 2629, 2662, 2667-2668, 2680-2681, 2698-2699, 2706, 2711-2713, 2719, 2725, 2742, 2756-2759 |
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| *******Group 2******* | |
| C4.4 | D4B02393-02394, 2397-2408, 2410, 2412-2416 GLD01001, 1004-1005, 1007, 1010-1013, 1021-1024, 1026, 1029 |
PARTS NEEDED
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Qty |
Part Number | Description |
| *******Group 1******* | ||
| 1 | 2617820 | POTENTIOMETER |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 4% 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 | 2671821 | POTENTIOMETER |
| In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 4% 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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| Replace the voltage adjust potentiometer. 1. Switch off the generator set and disconnect any auxiliary supplies. 2. Using a soldering iron, disconnect the volts adjust wires to the potentiometer. Mark the location the wires that connect to the potentiometer. 3. Remove the knob from the spindle of the potentiometer and retain for future use. 4. Loosen the nut securing the potentiometer to the control panel, retain for future use. 5. Remove the potentiometer from the panel. 6. Install the new potentiometer using the nut from Step 4 and secure the potentiometer to the control panel. 7. Using a soldering iron reconnect the voltage adjust harness to the potentiometer. 8. Install the potentiometer knob and secure. 9. Reconnect any auxiliary supplies, run the generator set and check for correct operation of voltage adjust potentiometer. |
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SERVICE CLAIM ALLOWANCES
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| *******Group 1******* | ||||||
0-24 mo |
||||||
| NOTE: This is a 0.5-hour job for Group 1 | ||||||
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| *******Group 2******* | ||||||
0-24 mo |
||||||
| NOTE: This is a 1.0-hour job for Group 2 | ||||||
PARTS DISPOSITION
| Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
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