After Product Support Program For Installing A New Flow Control Valve On Certain 924F Wheel Loaders And IT24F Integrated Toolcarriers
Usage:
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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 "PS5603" 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.
NOTE: This Revised Service Letter replaces the February 28, 1999 Service Letter. Changes have been made to the Affected Product.
Termination Date
February 29, 2000Problem
The flow control valve can cause unstable transmission pressures on certain 924F Wheel Loaders and IT24F Integrated Toolcarriers. The unstable pressure can cause noise to be generated in the transmission hoses and/or failures of the 7T8797 Spacer in the transmission modulating relief valve. A new flow control can be installed to prevent unstable pressures.
Affected Product
Model & Identification Number
IT24F (4NN971-1347, 4NN1349-1353, 6KN255-317)
924F (5NN1078-1480, 5NN1483, 5NN1486-1487, 4YN1003-1743, 4YN1745-1747, 4YN1750-1752, 6MN829-984, 7PN446-570, 7PN572, 7PN574-575)
Parts Needed
- 1 - 9W7189 Valve Gp
Action Required
Refer to the Service Manual as required.
The transmission flow control valve is located in the transmission case on the right side of the machine.
Remove the 110-7559 Hose Assembly from the 6V8637 Connector.
Remove the 6V8637 Connector from the transmission case.
Remove the 142-2882 Flow Control Valve and replace it with a 9W7189 Flow Control Valve.
Install the connector back into the case and the hose onto the connector.
Start the engine and check the transmission for proper operation.
Service Claim Allowances
NOTE: This is a 1-hour job.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
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