CHASSIS 9-87
BRAKE-LOCK SYSTEM
BRAKE-LOCK OPERATION
The brake-lock arm turns through the brake-lock cable as soon as pulling the brake-lock lever. The turning
movement is converted to axial movement by the brake-lock adjuster connected to the body with the thread
A.
The axial movement transmits automatically from sleeve piston to adjust-bolt. The adjust-bolt presses brake
pad to brake disk through the adjust-nut/caliper piston. In this bout, the adjust-bolt and adjust-nut move
together with the relation as shown in the illustration.
When releasing the brake-lock lever, each parts return to home position, the caliper piston will be returned
by an elasticity transform of piston seal, the adjust-bolt will be returned by the adjust-bolt spring, the brake-
lock adjuster will be returned by the return-spring.
Caliper piston
Brake
caliper
Adjust-bolt
spring
Adjust-bolt
Adjust-nut
Brake pad
Sleeve piston
Brake-lock adjuster
Brake-lock arm
Brake-lock cable
Brake-lock adjuster
Brake-lock lever
Adjust-bolt presses adjust-nut
Brake-lock arm
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