Multiquip DCA-500SSK -TRAILER BRAKESTROUBLESHOOTING, Air Brake Troubleshooting, Symptom

DCA-500SSK —TRAILER BRAKESTROUBLESHOOTING

Table 6. Air Brake Troubleshooting

Symptom	Possible Cause	Solution
No Brakes	Brake line broken or kinked?	Repair or replace.
Weak Brakes or Brakes	Brake lining glazed?	Reburnish or replace.
Pull to One Side
	Trailer overloaded?	Correct weight.
	Brake drums scored or grooved?	Machine or replace.
	Tire pressure correct?	Inflate all tires equally.
	Tires unmatched on the same axle?	Match tires.
Locking Brakes	Brake components loose, bent or	Replace components.
	broken?
	Brake drums out-of-round?	Replace.
Noisy Brakes	System lubricated?	Lubricate.
	Brake components correct?	Replace and correct.
Dragging Brakes	Brake lining thickness correct or in	Install new shoes and
	right wrong position?	linings.
	Enough brake fluid or correct fluid?	Replace rubber parts
		fill with dot4 fluid.

DCA-500SSK — PARTS AND OPERATION MANUAL (STD)— REV. #1 (04/14/01) — PAGE 19