CB-534C Vibratory Compactor Caterpillar

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Personal injury or death can result from a brake malfunction. Do not operate the machine if the brake was applied due to a malfunction of the brake system. Correct any problem before attempting to operate the machine.

Note: In order to prevent the machine from moving, block the drums in the front and the rear.

The parking brake can be released with the manual parking brake pump. Use the following procedure to release the parking brake.

Illustration 1	g00690345

Put blocks in front of drums in order to prevent the drums from moving.

The manual release for the parking brake is located behind the access door on the left side of the machine.

The needle valve (2) is locked in position by setscrew (3). The setscrew is located near the base of the needle valve.

1. Loosen the set screw (3) by one turn in a counterclockwise direction.

2. Turn the needle valve (2) in a clockwise direction until the needle valve stops. In order to pressurize the brakes, operate the plunger on the pump (1). The movement of the plunger will become difficult when there is enough pressure in order to release the brakes.

3. When the towing is complete, turn the needle valve (2) counterclockwise until the needle valve stops. Tighten the setscrew in a clockwise direction.