IT14G Integrated Toolcarrier and 914G Wheel Loader Braking System Caterpillar

Parking Brake Control - Adjust

Usage:

IT14G 1WN

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Personal injury or death can result if two persons are not used in the following procedure.

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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, perform the procedure that follows before testing and adjusting the brake system.

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Illustration 1	g00463727
Disengaged Parking Brake Control Lever (1) Parking brake control lever.

Move parking brake lever assembly (1) which connects to cable assembly (2) to the DISENGAGED position. The parking brake control lever is in the DISENGAGED position when the lever assembly is completely lowered.

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Illustration 2	g00463728
Parking Brake Components (2) Cable assembly. (3) Nut. (4) Clevis. (5) Pin. (6) Lever. (7) Cotter Pin.

Pull down on clevis assembly (4) . This will remove the slack from brake lever assembly (1) , and the slack from cable assembly (2) .

Push up on brake lever assembly (1) . This will remove any slack from the parking brake components.

The hole in clevis (4) must be in line with the hole in brake lever (6) . This is accomplished by turning clevis assembly (4) upward on the cable end. Clevis assembly (4) can also be turned in the downward direction on the cable end.

Turn the clevis assembly (4) down two full turns in order to allow free play in the parking brake control lever.

Check for the correct adjustment. There should be 10 to 15 mm (0.40 to 0.60 inch) of free play at the end of lever (6) . This is the difference between the DISENGAGED position of the parking brake and the ENGAGED position of the parking brake. The parking brake should not reach the end of the stroke, when the parking brake is fully ENGAGED. If this is the case, the parking brake is adjusted correctly.