794 AC Off-Highway Truck Caterpillar


Piston Motor (Blower Fan) - Inspect/Lubricate

Usage:

794 AC HRT

  • Prepare the machine for maintenance. Refer to Operation and Maintenance Manual, "Prepare the Machine for Maintenance".


    Illustration 1g03664141

  • Remove the (piston) motor (1) from the (blower) fan (2) for the cooling duct. Refer to Disassembly and Assembly, KENR8727, "Piston Motor (Blower Fan) - Remove"

    Inspect

    1. Inspect internal splines (3) on the fan for wear. If excessive wear is found, replace the bearing/load adapter for the fan.

    2. Inspect external splines (4) on the motor shaft for wear. If excessive wear is found, replace the motor for the fan.

    Lubricate

    1. Apply Cat Ultra 5 Moly Grease to the internal splines of the fan and the external splines of the motor.

    2. Install the (piston) motor for the (blower) fan for the cooling duct. Refer to Disassembly and Assembly, KENR8727, "Piston Motor (Blower Fan) - Install"
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