Troubleshooting Guide (continued)
ADDITIONAL PROBLEMS
Symptom
Poor acceleration.
Possible Cause
Clogged air filter.
Clogged fuel filter.
Lean fuel/air mixture.
Idle speed set too low.
Remedy
Clean the air filter.
Replace the fuel filter.
Consult with an authorized Shindaiwa servicing dealer.
Adjust idle. Check Specifications page for correct idle speed.
Engine stops abruptly.
Ignition switch turned off.
Fuel tank empty.
Water in the fuel.
Clogged fuel filter.
Shorted spark plug or loose terminal.
Ignition failure.
Piston seizure.
Reset the switch and
Refill with fresh, clean unleaded gasoline with a pump octane of 89 or higher mixed with an air cooled engine oil that meets or exceeds
Replace fuel filter.
Clean or replace spark plug. Check the Specifications section for the correct plug and gap for your unit. Tighten
the terminal.
Replace the ignition unit.
Consult with an authorized Shindaiwa servicing dealer.
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| Ground (stop) wire is disconnected, |
| Test and replace as required. |
Engine difficult to shut off. |
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| or switch is defective. |
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| Overheating due to incorrect spark plug. |
| Replace the spark plug. Check the Specifications section for |
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| the correct plug and gap for your unit. Restart. |
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| Overheated engine. |
| Idle engine until cool. |
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| Idle set too high. |
| Adjust idle. Check Specifications page for correct |
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Engine will not idle |
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down. |
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| Engine has an air leak. |
| Consult with an authorized Shindaiwa servicing |
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| Engine idle too high. |
| Adjust idle. Check Specifications page for correct idle |
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Cutting attachment |
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| speed. |
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| Broken clutch spring or worn clutch |
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moves at engine idle. |
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| spring boss. |
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Excessive vibration.
Loose attachment holder.
Warped or damaged attachment.
Loose gearcase.
Bent main shaft/worn or damaged bushings.
Inspect and
Inspect and replace attachment as required.
Tighten gearcase securely. Inspect and replace as necessary.
Cutting attachment will not move.
Shaft not installed in powerhead or gearcase. Broken shaft.
Damaged gearcase.
Inspect and reinstall as required.
Consult with an authorized Shindaiwa servicing dealer.
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