966M XE and 972M XE Wheel Loaders Power Train, Steering, Braking, Hydraulic, and Machine Systems Caterpillar


Transmission - Transmission Synchronizer Air Purge Test

Usage:

972M XE AN3

Introduction

The following procedure is used in order to test the Transmission Synchronizer Air Purge.

------ WARNING! ------

When testing and adjusting the transmission and power train, move the machine to an area clear of obstructions, with safe exhaust ventilation for the exhausts. Sudden movement of the machine or release of oil under pressure can cause injury to persons on or near the machine. To prevent possible injury, do the procedure that follows before testing and adjusting the transmission and power train.


Machine Preparation

  1. Move the machine to a smooth horizontal location. Move away from working machines and personnel. Lower the work tools to the ground.

  2. Allow only one operator on the machine. Keep all personnel away from the machine or in the view of the operator.

  3. Engage the parking brake.

  4. Place the steering frame lock in the LOCKED position.

    Reference: For more information about preparing the machine for troubleshooting, refer to the Service Manual module Testing and Adjusting, "Machine Preparation for Troubleshooting" for the machine that is being serviced.

Test Procedure

Transmission Synchronizer Air Purge Test

Use the following procedure to check Transmission Synchronizer Air Purge Test

Perform the steps in the "Machine Set Up" and then continue to the following steps.



    Illustration 1g03696041

  1. Select Transmission Synchronizer Air Purge Test.


    Illustration 2g03696042

  2. Select Begin.


    Illustration 3g03696044

  3. When the setup conditions are met, click the "Next>" button to continue.

    Set up calibration conditions:

    • Warm Transmission Oil to 20° C (68° F) or higher.

    • Move the direction switch to the neutral position.

    • Apply the Parking Brake.

    • Fully release the brake pedal.


    Illustration 4g03696045

  4. Running Synchronizer Air Purge Test... .... ... ...

    To abort the test, click the Cancel Button.

    Note: Engine Speed will be automatically adjusted during this test.



    Illustration 5g03696046

  5. Test complete.

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