797F and 797F XQ Off-Highway Trucks Visual Service Procedure (VSP) Maintenance Intervals Caterpillar


Traction Control System (TCS) - Test

Usage:

797F LAJ

This procedure determines if the TCS is functioning. This procedure also determines if the left rear brake and the right rear brake activate at the correct time.



    Illustration 1g06114207

  1. Find a clear and level area that is large enough to turn the machine in a complete circle.


    Illustration 2g06114208

  1. Start the machine.

  2. Move the transmission control to the 1 position.


    Illustration 3g06114209

    Note: When the TCS test is initiated, the speed of the machine will gradually decrease.

  1. Turn the steering wheel all the way to the left.

  2. With the engine at low idle, slowly drive forward in a complete circle. Refer to Illustration 1.

  3. Press and hold the top half of the TCS test switch to begin the test.

    Note: The TCS test switch is located in the overhead controls in the operator station.



    Illustration 4g06114211

    Note: When the TCS test switch is released, the test will end and the speed of the machine will increase.

  1. Release the TCS test switch.


    Illustration 5g06114212

    Note: When the TCS test is initiated, the speed of the machine will gradually decrease.

  1. Turn the steering wheel all the way to the right.

  2. With the engine at low idle, slowly drive forward in a complete circle.

  3. Press and hold the top half of the TCS test switch to begin the test.


    Illustration 6g06114213

    Note: When the TCS test switch is released, the test will end and the speed of the machine will increase.

  1. Release the TCS test switch.

  2. If the TCS did not function properly, repairs are necessary. Consult your Cat dealer for information and service.

Caterpillar Information System:

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