Shindaiwa 230PH Owner's/Operator's Manual page 14

Troubleshooting Guide (continued)
Symptom
Poor acceleration.
Engine stops abruptly.
Engine difficult to shut off.
Cutting attachment
moves at engine idle.
Excessive vibration.
Attachment will not rotate.
14
ADDITIONAL PROBLEMS
Possible Cause
Clogged air filter.
Clogged fuel filter.
Lean fuel/air mixture.
Idle speed set too low.
Switch turned off.
Fuel tank empty.
Clogged fuel filter.
Water in the fuel.
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.
Engine idle too high.
Broken clutch spring or worn
clutch spring boss.
Loose attachment holder.
Warped or damaged attachment.
Loose coupler.
Bent main shaft/worn or damaged
bushings.
Shaft not installed in powerhead or
gearcase.
Broken shaft.
Damaged gearcase.
Remedy
Clean or replace the air filter.
Replace the fuel filter.
Consult with an authorized
servicing dealer.
Adjust: 2,750 (±250) min .
-1
Reset the switch and re-start.
Refuel. See page 8.
Replace fuel filter.
Drain; replace with clean fuel. See page 8.
Clean or replace spark plug with a NGK
BMR6A. Tighten the terminal.
Replace the ignition unit.
Consult with an authorized
servicing dealer.
Test and replace as required.
Replace spark plug with a NGK BMR6A.
Idle engine until cool.
Set idle: 2,750 (±250) min
-1
Replace spring/shoes as required,
check idle speed.
Inspect and re-tighten holders securely.
Inspect and replace attachment as required.
Tighten coupler securely.
Inspect and replace as necessary.
Inspect and reinstall as required.
Consult with an authorized
servicing dealer.
.