MDR-9GH — ROLLERTROUBLESHOOTING
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 Roller Troubleshooting (Table 9) 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 9. ROLLER TROUBLESHOOTING
SYMPTOM | POSSIBLE PROBLEM | SOLUTION | |
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| Defective centrifugal clutch? | Repair or replace clutch. | |
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| Damaged rubber coupling and flange? | Replace rubber coupling and flange. | |
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| Defective travel cable and link? | Repair or replacetravel cable and link. | |
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| Damaged scraper or too much mud in scraper? | Replace or repair scraper. | |
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Unit does not travel or | Damaged or clogged oil filter? | Replace filter. | |
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Damaged or leaking hydraulic pipe? | Repair or replace parts. | ||
travel is not smooth. | |||
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| Low oil level or contaminated oil? | Replenish or replace oil. | |
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| Damaged or leaking hydraulic transmission? | Repair or replace hydraulic pump. | |
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| Damaged or leaking hydraulic transmission? | Repair or replace hydraulic motor. | |
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| Damaged drum gear and bearing? | Repair parts. | |
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| Bad drum rotation? | Repair or replace drum. | |
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| Defective centrifugal clutch? | Repair or replace clutch. | |
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| Damaged or slipping | Replace | |
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| Damaged vibration cable and linkage? | Replace or repair vibration cable and | |
Unit does not vibrate or | linkage. | ||
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has weak vibration. | Damaged vibration clutch? | Adjust or replace clutch. | |
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| Defective clutch vibrator pulley | Replace | |
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| Vibrator does not turn smoothly with hand? | Check and repair vibrator. Check if oil | |
| level is not excessively high. | ||
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