21
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.
