Before/After
| PRODUCT SUPPORT PROGRAM FOR REWORKING THE FAN SPEED SETTING ON CERTAIN 553C, 563C, 573C, 2470C, 2570C, AND 2670C WHEEL FELLER BUNCHERS |
5070 1387
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PS45314 |
NOTE: |
Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.
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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 "PS45314" 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. |
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. |
The existing fan speed setting (2050 RPM) can result in the fan manifold running over relief on certain 553C, 563C, 573C, 2470C, 2570C, and 2670C Wheel Feller Bunchers. If the fan manifold runs over relief, it could result in damage to the fan manifold. |
No parts needed for this program |
Refer to KENR7574, Testing and Adjusting, "Piston Pump (Hydraulic Fan) Pressure - Test and Adjust - Fan Speed", in order to set the fan to 3625 PSI at the fan pump. |
Product smu/age whichever comes first |
Caterpillar |
Dealer Suggested |
Customer Suggested |
Parts % |
Labor Hrs% |
Parts % |
Labor Hrs% |
Parts % |
Labor Hrs% |
0-4000 hrs, 0-24 mo |
100.0% |
100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
NOTE: This is a 1.0-hour job
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Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
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