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Troubleshooting guide (continued), Symptom possible cause remedy, What to check possible cause remedy – Shindaiwa X7501930300 User Manual

Page 20

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20

ADDITIONAL PROBLEMS

Poor acceleration.

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.

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 an air cooled 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.

Symptom

Possible Cause

Remedy

Engine stops abruptly.

Engine diffi cult to shut off.

Excessive vibration.

Engine overspeeding.

Troubleshooting Guide (continued)

Valve cover is leaking.

Consult with an authorized Shindaiwa

servicing dealer.

Top of engine is getting

dirty and oily.

Idle set too high.

Adjust idle. Check Specifi cations page for correct

idle speed.

Engine will not

idle down.

Engine has an air leak.

Consult with an authorized Shindaiwa

servicing dealer.

Debris build-up in impeller.

Loose or damaged impeller.

Loose or damaged engine mounts.

Blower intake or discharge ports or tubes are

clogged with debris.

Impeller blades are missing or damaged.

Clean debris from impeller as required.

Inspect and replace impeller as required.

Tighten or replace engine mounts as required.

Inspect and remove debris.

Consult with an authorized Shindaiwa

servicing dealer.

Is the engine overheating?

Engine is rough at all

speeds. May also have

black smoke and/or

unburned fuel at the

exhaust.

Operator is overworking the unit.

Carburetor mixture is too lean.

Improper fuel ratio.

Fallen leaves or debris on intake cover.

Fan, fan cover, cylinder fi ns dirty

or damaged.

Carbon deposits on the piston or

in the muffl er.

Clogged air cleaner element.

Loose or damaged spark plug.

Air leakage or clogged fuel line.

Water in the fuel.

Piston seizure.

Faulty carburetor and/or diaphragm.

Overheating condition.

Improper fuel.

Carbon deposits in the

combustion chamber.

Use a lower throttle setting.

Consult with an authorized Shindaiwa

servicing dealer.

Refi ll 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

classifi ed oils at 50:1 gasoline/oil ratio.

Clean the intake cover.

Clean, repair or replace as necessary.

Consult with an authorized Shindaiwa

servicing dealer.

Service the air cleaner element.

Tighten or replace the spark plug.

Check the Specifi cations section for the correct plug and gap

for your unit.

Repair or replace fuel fi lter and/or

fuel line.

Refi ll 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

classifi ed oils at 50:1 gasoline/oil ratio.

Consult with an authorized Shindaiwa servicing dealer.

Consult with an authorized Shindaiwa

servicing dealer.

Refi ll 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

classifi ed oils at 50:1 gasoline/oil ratio.

Consult with an authorized Shindaiwa

servicing dealer.

What To Check

Possible Cause

Remedy

LOW POWER OUTPUT

Engine is knocking.

Troubleshooting Guide (continued)

Heat sensor is activated, due to restricted air

fl ow at intake cover.

(EB854 ONLY)

Clean debris blocking intake cover. Restart. Idle more than

1 minute. If engine stops again, 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.

Ground (stop) wire is disconnected,

or switch is defective.

Overheating due to incorrect spark plug.

Overheated engine.

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