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 re-start.

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 ISO-L-EGD and/or JASO FD classified oils at 50:1 gasoline/oil ratio.

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.

Engine difficult to shut off.

Ground (stop) wire is disconnected, or switch is defective.

Overheating due to incorrect spark plug.

Overheated engine.

Test and replace as required.

Replace the spark plug. Check the Specifications section for the correct plug and gap for your unit. Restart.

Idle engine until cool.

 

 

 

 

 

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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Excessive vibration.

Loose attachment holder.

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.

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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Shindaiwa X7502801200, AHS242es manual Poor acceleration, Engine stops abruptly

AHS242es, X7502801200 specifications

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