Troubleshooting Guide (continued)

ADDITIONAL PROBLEMS

Symptom

 

Possible Cause

 

 

 

 

 

Remedy

 

 

 

 

 

 

 

 

 

 

Clogged air filter.

 

 

 

 

 

Clean the air filter.

 

 

 

 

 

 

 

 

 

 

 

Poor acceleration.

 

 

 

 

 

 

 

 

 

Clogged fuel filter.

 

 

 

 

 

 

Replace the fuel filter.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lean fuel/air mixture.

 

 

 

 

 

Consult with an authorized Shindaiwa

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

servicing dealer.

 

 

 

 

 

 

 

 

 

 

Idle speed set too low.

 

 

 

 

 

 

Adjust idle. Check Specifications page for correct idle speed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ignition switch turned off.

 

 

 

 

 

Reset the switch and re-start.

Engine stops abruptly.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fuel tank empty.

 

 

 

 

 

Refill with fresh, clean unleaded gasoline with a pump octane

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

of 89 or higher mixed with an air cooled engine oil that

 

 

 

 

 

 

 

 

 

 

Water in the fuel.

 

 

 

 

 

meets or exceeds ISO-L-EGD and/or JASO FD classified oils

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

at 50:1 gasoline/oil ratio.

 

 

 

 

 

 

 

 

 

 

Clogged fuel filter.

 

 

 

 

 

Replace fuel filter.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Shorted spark plug or loose terminal.

 

 

 

 

 

Clean or replace spark plug. Check the Specifications section

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

for the correct plug and gap for your unit. Tighten

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the terminal.

 

 

 

 

 

 

 

 

 

 

Ignition failure.

 

 

 

 

 

Replace the ignition unit.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Piston seizure.

 

 

 

 

 

Consult with an authorized Shindaiwa

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

servicing dealer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ground (stop) wire is disconnected,

 

 

 

 

 

 

Test and replace as required.

Engine difficult to shut off.

 

 

 

 

 

 

 

 

 

 

 

 

or switch is defective.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Overheating due to incorrect spark plug.

 

 

 

 

 

 

Replace the spark plug. Check the Specifications section for

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the correct plug and gap for your unit. Restart.

 

 

 

 

 

 

 

 

 

 

Overheated engine.

 

 

 

 

 

Idle engine until cool.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Consult with an authorized Shindaiwa

Top of engine is getting

 

 

 

 

 

Valve cover is leaking.

 

 

 

 

 

dirty and oily.

 

 

 

 

 

 

 

 

 

 

 

 

servicing dealer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Idle set too high.

 

 

 

 

 

Adjust idle. Check Specifications page for correct

Engine will not idle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

idle speed.

 

 

 

 

 

 

 

 

down.

 

 

 

 

Engine has an air leak.

 

 

 

 

 

Consult with an authorized Shindaiwa servicing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

dealer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine idle too high.

 

 

 

 

 

Adjust idle. Check Specifications page for correct idle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cutting attachment

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

speed.

 

 

 

 

 

Broken clutch spring or worn clutch

 

 

 

 

 

Replace spring/shoes as required, check idle speed.

moves at engine idle.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

spring boss.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Loose attachment holder.

Excessive vibration.

 

 

Warped or damaged attachment.

 

 

 

 

 

Loose gearcase.

 

 

 

 

 

 

Bent main shaft/worn or damaged bushings.

 

 

 

 

Inspect and re-tighten holders securely.

Inspect and replace attachment as required.

Tighten gearcase securely. Inspect and replace as necessary.

 

 

 

Shaft not installed in powerhead or gearcase.

 

 

 

 

 

 

Cutting attachment will not

 

 

Broken shaft.

 

move.

 

Damaged gearcase.

 

 

 

 

 

 

 

Inspect and reinstall as required.

Consult with an authorized Shindaiwa servicing dealer.

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