MT-74FA —TROUBLESHOOTING GUIDE
TABLE 4. ENGINE TROUBLESHOOTING (continued)
SYMPTOM | POSSIBLE PROBLEM | SOLUTION | |
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Operation not satisfactory |
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| Governor adjustment improper? | Adjust governor to correct level. | |
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Rotational speed fluctuates. | Governor spring defective? | Clean or replace ignition. | |
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Fuel flow erratic? | Check fuel line. | ||
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| Air taken in through suction | Check suction line. | |
| line? | ||
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Recoil starter not working | Dust in rotating part? | Clean recoil starter assembly. | |
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properly. | Spiral spring failure? | Replace spiral spring. | |
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TABLE 5. RAMMER TROUBLESHOOTING
SYMPTOM | POSSIBLE PROBLEM | SOLUTION | |
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| Operating speed of throttle lever | Set throttle lever to correct position. | |
| is incorrectly set? |
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| Oil in excess? | Drain excess oil. Bring to correct level. | |
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Engine runs but rammer jumps | Clutch slips? | Replace or adjust clutch. | |
erratically or not at all. |
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Spring Failure? | Replace sprial spring. | ||
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| Speed of engine improper? | Adjust engine speed to correct operating RPM setting. | |
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| Soil | Shut down machine and test soil. | |
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