LS600 PUMP —TROUBLESHOOTING (TRAILER BRAKE SYSTEM)
Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take a remedial action following the diagnosis based on the Brake System Troubleshooting (Table 10) information shown below and on the proceeding page. If the problem cannot be remedied, please leave the unit just as it is and consult our company's business office or service plant.
TABLE 10. BRAKE SYSTEM TROUBLESHOOTING
SYMPTOM | POSSIBLE PROBLEM | SOLUTION | |
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| Overheated wheel bearing | Replace wheel bearing and pack with grease. | |
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Brakes squeak, chatter or chuck. | Low brake fluid | Fill and bleed brake system. | |
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Siezed acutator master cylinder | Replace/Rebuild master cylinder. | ||
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| Brake shoe noise | Inspect drums. Adjust shoes or replace if necessary. | |
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| Leaking wheel cylinder | Check and replace wheel cylinder and bleed brake system. | |
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| Low brake fluid level | Fill with dot approved brake fluid and bleed brake system. | |
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| Brake actuator frame damage | Replace complete actuator unit. | |
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Brakes overheah, fail to operate, | Brake line being pinched | Replace brake line. | |
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Seized actuator | Replace or rebuild actuator. | ||
pull to the side, or function poorly | |||
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| Broken return spring | Replace spring. | |
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| Brakes improperly adjusted | Check adjustment. | |
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| up on cable until indicator bead touches or rests against cable spring | ||
| partially activated | ||
| stop. This will fully release the frame brakes and prevent drag. | ||
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PAGE 66 — MAYCO LS600 PUMP — OPERATION AND PARTS MANUAL — REV. #4 (9/15/11)
