MVH-406GH—TROUBLESHOOTING
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 Compactor Troubleshooting (Table 9) information shown below. 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 8. ENGINE TROUBLESHOOTING (CONTINUED)
SYMPTOM | POSSIBLE CAUSE | SOLUTION | |
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| Air cleaner not clean? | Clean or replace air cleaner | |
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| Improper level in carburetor? | Check float adjustment, | |
"Weak in power" compression is proper | carbureator. | ||
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and does not misfire. |
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Defective Spark plug? | Clean or replace spark plug. | ||
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| Defective Spark plug? |
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| Water in fuel system? | Flush fuel system, and replace | |
| with correct type of fuel. | ||
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"Weak in power" compression is proper |
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Dirty spark plug? | Clean or replace spark plug. | ||
but misfires. | |||
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| Ignition coil defective? | Replace ignition coil. | |
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| Spark plug heat value improper? | Replace with correct type of | |
| spark plug. | ||
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Engine overheats. |
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Correct type of fuel? | Replace with correct type of fuel | ||
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| Cooling fins dirty? | Clean cooling fins. | |
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| Governor adjusted correctly? | Adjust governor. | |
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Rotational speed fluctuates. | Governor spring defective? | Replace governor spring. | |
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| Fuel flow restricted? | Check entire fuel system for leaks | |
| or clogs. | ||
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| Recoil mechanism clogged with dust and | Clean recoil assembly with soap | |
Recoil starter malfunction. | dirt? | and water. | |
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| Sprial spring loose? | Replace sprial spring. | |
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PAGE 26 — MVH406GH PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #3 (02/04/14)