Brake-2
Troubleshooting
Cautions
Failure cause Inspection content
Pedal is low or soft
brake pad is worn
brake block is worn
brake system is leaked
master pump has failure
Brake system has air
Brake pump has failure
Auto adjuster of rear brake has failure
Replace the brake shoe
Replace the brake block
Repair the leakage
Repair or replace the master pump
Drain the air from brake system
Replace the brake pump
Repair or replace the adjuster
Lag of brake
Parking brake is adjusted badly.
Pull wire of parking brake is locked
Assist push rod is adjust badly
Extension spring or return spring has fault
Pipeline is blocked
brake pad is broken or deformed
brake block is broken or deformed
Auto adjuster is damaged
Master pump has failure.
Adjust the parking brake
Repair if necessary
Adjust the push rod
Replace the extension spring
Repair if necessary
Replace the brake shoe
Replace the brake block
Replace the adjuster
Replace the master pump
Brake is stagnant
Improper inflation of tyre
There is grease spot or lubricant oil on the
brake shoe or brake block.
The brake shoe is deformed ; the brake pad
is worn or smoothed
The brake block is deformed, worn or
smoothed
The brake drum or brake disc is deformed
Extension spring or return spring has failure
Wheel pump has failure
Pump has failure
Brake block is blocked
Charge the tyre to the proper pressure.
Find out the cause. Replace the brake shoe or block.
Replace the brake shoe
Replace the brake block
Replace the brake drum or brake disc
Replace the spring
Repair the wheel pump
Replace
Replace the brake block
brake pedal is hard
There is the grease spot or lubrication oil on
the brake disc or brake block.
The brake shoe is deformed; the brake pad is
worn or smoothed
The brake block is deformed, worn or
smoothed
Brake pump has failure.
Brake assist has failure
Improper vacuum degree
The brake pipeline is blocked.
Find out the cause .
Replace the brake shoe or brake block
Replace the brake block
Replace
Replace the assist
Repair if necessary
Repair if necessary