KIT-CYL HEAD (Kit) 5049107 - Caterpillar

Do not engage the parking brake while the machine is moving unless the primary service brake fails. The use of the parking brake as a service brake in regular operation will cause severe damage to the brake system.
The parking brake has the following features:
The parking brake lever has an over-the-center action.
The parking brake is engaged and disengaged by a cable.The parking brake has the following components:
Parking Brake Lever
Release Lever
Hook
Outer Cable
Inner Cable
Lever
Brake Linings
Brake DiscEngaging the Parking Brake
Illustration 1 g00887654
Parking Brake Engaged (1) Parking brake lever (2) Release lever (3) Hook (4) Outer housing (5) Inner cable (6) Lever (7) Brake linings (8) Brake discWhen parking brake lever (1) is pulled fully upward, the lever is locked in position by hook (3) and roller (4). As the lever is pulled upward, inner cable (6) is pulled through outer housing (5). The clevis that is attached to the end of outer housing (5) moves lever (7) on the caliper brake. Lever (7) moves the brake linings (8) into contact with brake disc (9) which prevents brake disc (9) from rotating.Disengaging the Parking Brake
Illustration 2 g00887655
Parking Brake Disengaged (1) Parking brake lever (2) Release lever (3) Hook (4) Outer housing (5) Inner cable (6) Lever (7) Brake linings (8) Brake discThe parking brake is disengaged when parking brake lever (1) is pushed downward. Before the lever can be pushed downward, release lever (2) is pulled upward in order to lift hook (3) away from roller (4) .At the front axle, inner cable (6) moves lever (7) in order to allow brake linings (8) to move away from brake disc (9). The brake disc (9) is then free to rotate.