980H Wheel Loader Braking System Caterpillar


Parking Brake - Manual Release

Usage:

980H PF8

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

Personal injury or death can result from a brake malfunction. Do not operate the machine if the parking brake was engaged due to a malfunction of the hydraulic oil system or the service brakes.

Correct any problem before attempting to operate the machine.

----------------------


NOTICE

Before you operate the machine, and after the parking brake has been serviced, be sure you adjust the parking brake mechanism.

Failure to do so could damage the parking brake components or prevent the parking brake from functioning correctly.


Test Preparation

ReferenceTesting and Adjusting, "Parking Brake - Test".

  1. Chock the wheels in order to keep the machine from rolling when the parking brake is disengaged.



    Illustration 1g02936756

    Steering frame lock in the locked position.

  1. Connect the steering frame lock to the front and rear frames.

Adjust Procedure




    Illustration 2g03421049

    Actuator for the Parking Brake

    Typical Example

    (1) Actuator shaft

    (2) Locknut

    (3) Rod end

  1. Loosen locknut (2) down rod (3) to a length of 19 mm (0.75 inch). Turn rod end (3) until the rod moves out enough to disengage the parking brake.

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