1957629 SWITCH AS Caterpillar parts
Rating:
Alternative (cross code) number:
CA1957629
195-7629
1957629
CA1957629
195-7629
1957629
Weight: 0.06 pounds 0 kg.
Information:
Illustration 1 g03334632
View of the slack adjusters
(1) Outlet to brakes
(2) Slack adjuster
(3) Inlet from brake valve
(4) Test ports Slack adjusters (2) are mounted to a bracket above the rear axle.Slack adjusters (2) compensate for brake disc wear by allowing low-pressure oil to remain between slack adjuster (2) and the brake piston. Slack adjusters (2) maintain a slight pressure on the brake piston at all times.When, the service brake is used or when the retarder lever is used the oil is sent to the ARC/TCS valve. The ARC/TCS valve sends oil to inlet (3) of slack adjusters (2) and is transferred to the brakes in each wheel. This oil initiates the brake application.Brake cooling oil pressure maintains a small clearance between the brake discs. The service brake oil pressure can be tested at pressure tap ports (4) located on top of slack adjusters (2).
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