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| Illustration 1 | g00104540 |
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Typical example Location of the purge valve for the parking brakes | |
Note: Before performing this adjustment, you will need to release the brakes. In order to release the parking brake, remove the purge valve from opening (A). This opening is marked with a "P". Then, connect a manual hydraulic pump or an electric hydraulic pump to opening (A). Continue to operate the pump until the brake is fully released. For more information regarding releasing the brakes, refer to the information about towing that is located in Systems Operation and Testing And Adjusting , "Air System And Brakes".
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If it becomes necessary to use an outside hydraulic source to release the parking brake, do not exceed the relief pressure of the parking and secondary brake control valve. Exceeding the relief pressure can damage seals and other parts in the circuit. |
In order to perform the wheel bearing adjustment procedure, refer to the Power Train Disassembly and Assembly, "Final Drives, Rear Wheel Bearings & Duo-Cone Seals".