PRODUCT SUPPORT PROGRAM FOR REWORKING THE CONTROL VALVE RELIEF PRESSURES ON CERTAIN 521B, 522B, 541 SERIES II, AND 552 SERIES II TRACK FELLER BUNCHERS
Usage:
TEBE0322-01
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| 19Sep2013 |
| (Revised 08Oct2013) |
U-433
O-362
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| Before/After | PRODUCT SUPPORT PROGRAM FOR REWORKING THE CONTROL VALVE RELIEF PRESSURES ON CERTAIN 521B, 522B, 541 SERIES II, AND 552 SERIES II TRACK FELLER BUNCHERS |
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| 5051 5479 5264 5057 5070 | PS44024 |
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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 "PS44024" 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 19Sep2013 Service Letter. Changes have been made to the Title, Problem, and Affected Product. |
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TERMINATION DATE |
| 30Sep2015 |
PROBLEM
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| The existing pressures on the wrist/rotate, grab and accumulate valve functions may be set incorrectly on certain 521B, 522B, 541 Series II, and 552 Series II Track Feller Bunchers. If the existing pressures are set incorrectly, the saw performance can be affected. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 521B | F7B00257, 260-261 |
| 522B | F7C00218, 222, 224-225 |
| 541B | F7D00190-00231 |
| 552B | F7G00170-00175 |
PARTS NEEDED
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| No parts needed for this program |
ACTION REQUIRED
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| Refer to REHS8942, Special Instruction, "Grab, Accumulate, and Wrist Pressure Adjustment Procedure for HF201B and HF221A Felling Heads on Certain Track Feller Bunchers", in order to complete the adjustment on this valve. |
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SERVICE CLAIM ALLOWANCES
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0-24 mo |
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| NOTE: This is a 1.5-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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