Shindaiwa DH232 Owner's/Operator's Manual page 20

Troubleshooting Guide (continued)
Symptom
Poor acceleration.
Engine stops abruptly.
Engine diffi cult to shut off.
Engine will not
idle down.
Excessive vibration.
Engine overspeeding.
20
ADDITIONAL PROBLEMS
Possible Cause
Clogged air fi lter.
Clogged fuel fi lter.
Lean fuel/air mixture.
Idle speed set too low.
Ignition switch turned off.
Fuel tank empty.
Water in the fuel.
Clogged fuel fi lter.
Shorted spark plug or loose terminal.
Ignition failure.
Piston seizure.
Ground (stop) wire is disconnected,
or switch is defective.
Overheating due to incorrect spark plug.
Overheated engine.
Idle set too high.
Engine has an air leak.
Loose attachment holder.
Warped or damaged attachment.
Loose gearcase.
Bent main shaft/worn or damaged bushings.
Shaft not installed in powerhead or gearcase.
Broken shaft.
Damaged gearcase.
Remedy
Clean the air fi lter.
Replace the fuel fi lter.
Consult with an authorized shindaiwa
servicing dealer.
Adjust idle. Check Specifi cations page for correct idle
speed.
Reset the switch and re-start.
Refi ll with fresh, clean unleaded gasoline with a pump
octane of 89 or higher mixed with a 2 stroke engine oil that
meets or exceeds ISO-L-EGD and/or JASO FD classifi ed
oils at 50:1 gasoline/oil ratio.
Replace fuel fi lter.
Clean or replace spark plug. Check the Specifi cations
section for the correct plug and gap for your unit. Tighten
the terminal.
Replace the ignition unit.
Consult with an authorized shindaiwa
servicing dealer.
Test and replace as required.
Replace the spark plug. Check the Specifi cations section
for the correct plug and gap for your unit. Restart.
Idle engine until cool.
Adjust idle. Check Specifi cations page for correct
idle speed.
Consult with an authorized shindaiwa
servicing dealer.
Inspect and re-tighten holders securely.
Inspect and replace attachment as required.
Tighten gearcase securely.
Inspect and replace as necessary.
Inspect and reinstall as required.
Consult with an authorized shindaiwa
servicing dealer.