TROUBLESHOOTING
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WARNING: If any of the following problems develop, stop immediately and take proper corrective action before putting the trailer back into service. |
PROBLEM: Squeaking, Clatter or Chucking
| Probable Cause | Remedy |
|---|---|
| Hitch ball requires lubrication. | Lubricate with conventional automotive grease or commercial lubricant made for hitch balls. |
| Linkage and pivots on the brake actuator require lubrication. | Oil linkage and pivots on brake actuator. |
| Loose hitch ball. | Inspect hitch ball and tighten. |
| Loose hitch. | Inspect hitch and tighten |
| Loose brake actuator. | Inspect brake actuator and tighten. |
| Hitch ball worn or too small. | Replace. |
| Overheated brakes. | Replace wheel bearing. |
| Broken brake drum(s). | Replace brake drum(s) and check brake shoes. |
| Low brake fluid level. | Fill and bleed brakes. |
| Worn out shock absorber. | Replace. |
| Partial application of breakaway cable. | Fully release breakaway cable. |
| Brakes improperly adjusted. | Check brakes for adjustment (Page 3). |
| Broken return spring. | Replace return spring. |
| Seized actuator master cylinder. | Replace/rebuild actuator master cylinder. |
| Worn out brake shoes. | Replace brake shoes and check brake drums. |
| Leaky wheel cylinder. | Replace/rebuild wheel cylinders and replace brake-shoes. Clean drums and other hardware. |
| Leaky wheel bearing grease seal. | Pack wheel bearings and replace wheel bearing grease seal and wheel bearings. Clean drums and other hardware. |
PROBLEM: Release Handle does not Close Easily
| Probable Cause | Remedy |
|---|---|
| Oversize ball. | Check ball size. |
| Ball not fully inserted into socket. | Check for proper ball size. Check to see if tongue jack is fully retracted. Hold release handle open when inserting ball. |
| Foreign material in actuator. | Clean and lubricate. |
PROBLEM:
Brake Overheating, Side pull, Brakes do not Operate or Poor Brake Performance
| Probable Cause | Remedy |
|---|---|
| Only one brake is applying. | Check brake adjustment. |
| Leaking wheel cylinder. | Replace wheel cylinder and bleed brakes. |
| Seized wheel cylinder piston. | Rebuild/replace wheel cylinder and bleed system. |
| Foreign material in brake unit. | Clean thoroughly. |
| Low hydraulic fluid level. | Fill and bleed brakes. |
| A bent shoulder bolt. | Replace. |
| A bent push rod in the shock absorber. | Replace. |
| A damaged socket assembly. | Replace. |
| Broken or pinched brake line(s). | Replace. |
| Brake actuator frame damaged. | Replace actuator. |
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Manual Contents | Wheels & Tires |  |
 MOBILEXHIBIT CORPORATION 160 Lesmill Road, Toronto, Ontario, Canada M3B 2T5 Tel: 416.441.3477 Fax: 416.441.3556 staff@mobilexhibit.com |