Multiquip LS600P 用户手册

No brakes 

Is the brake line broken or kinked?

Repair or replace.

Weak brakes or brakes pull to one side

Is the brake lining glazed?

Reburnish or replace

Is the trailer overloaded?

Correct weight.

Are the brake drums scored or 

grooved?

Check machine or replace.

Is the tire pressure correct?

Infl ate all tires equally per manufacturer 

guidelines.

Are the tires unmatched on the 

same axle?

Match tires.

Locking brakes

Are the brake components loose, 

bent or broken?

Replace components.

Are the brake drums out-of-round? Replace.

Noisy brakes

Is the brake system lubricated?

Lubricate.

Are the correct brake components 

installed?

Replace and correct.

Dragging brakes

Is the brake lining thickness correct 

or innstalled incorrectly?

Install new shoes and linings.

Is there enough brake fl uid or 

correct fl uid?

Fill with DOT 4 fl uid.

Brakes squeak, chatter or chuck

Overheated wheel bearing

Replace wheel bearing and pack with 

grease.

Low brake fl uid

Fill and bleed brake system.

Siezed acutator master cylinder

Replace/Rebuild master cylinder.

Brake shoe noise

Inspect drums. Adjust shoes or replace if 

necessary.

Brakes overheat, fail to operate, pull to 

the side, or function poorly

Leaking wheel cylinder

Check and replace wheel cylinder and 

bleed brake system.

Low brake fl uid level

Fill with dot approved brake fl uid and bleed 

brake system.

Brake actuator frame damage

Replace complete actuator unit.

Brake line being pinched

Replace brake line.

Seized actuator

Replace or rebuild actuator.

Broken return spring

Replace spring.

Brakes improperly adjusted

Check adjustment.

Break-away cable system partially 

activated

Break-away cable might be pulled. 

Determine cause and correct. Pry up on 

cable until indicator bead touches or rests 

against cable spring stop. This will fully 

release the frame brakes and prevent drag.