Maintenance – Multiquip Trailers User Manual

Page 38

page 38 — trailer • owner's manual — rev. #4 (11/08/13)

table 7. Hydraulic Brake troubleshooting

symptom

possible Cause

solution

No Brakes

Brake line broken or kinked?

Repair or replace.

Weak Brakes or Brakes Pull

One Side

Brake lining glazed?

Reburnish or replace.

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 broken?

Replace components.

Brake drums out-of-round?

Replace.

Noisy Brakes

System lubricated?

Lubricate.

Brake components correct?

Replace and correct.

Dragging Brakes

Brake lining thickness incorrect or not adjusted correctly?

Install new shoes and linings.

Enough brake fluid or correct fluid?

Replace rubber parts

fill with dot 4 fluid.

table 8. electric Brake troubleshooting

symptom

possible Cause

solution

No Brakes or Intermittent

Brakes

Any open circuits or broken wires?

Find and correct.

Any short circuits?

Find and correct.

Faulty controller?

Test and correct.

Any loose connections?

Find and repair.

Ground wire secure?

Find and secure.

Weak Brakes or Brakes

Pull to One Side

Grease or oil on magnets or linings?

Clean or replace.

Connections corroded?

Clean and correct cause of corrosion.