Shindaiwa ES726 Manual De Instrucciones página 12

Troubleshooting Guide (Engine)
What To Check Possible Cause
Faulty recoil starter.
Does the engine
NO
Fluid in the crankcase.
crank?
Internal damage.
YES
Loose spark plug.
Good
NO
compression?
Excess wear on cylinder, piston, rings.
YES
Fuel incorrect, stale, or contaminated;
Does the tank
NO
mixture incorrect.
contain fresh
fuel of the
proper grade?
YES
Check for clogged fuel filter and/or vent.
Is fuel visible
NO
and moving in
the return line
when priming?
YES
The ignition switch is in "O" (OFF) position.
Is there spark at
NO
Faulty ignition ground.
the spark plug
Faulty transistor unit.
wire terminal?
YES
If the plug is wet, excess fuel may be
Check the
in the cylinder.
spark plug
The plug is fouled or improperly gapped.
The plug is damaged internally or of the
wrong size.
Troubleshooting Guide (Engine continued)
What To Check Possible Cause
Carburetor mixture is too lean.
Is the engine
overheating?
Improper fuel ratio.
Fan, fan cover, cylinder fins dirty
or damaged.
Carbon deposits on the piston or in
the muffler.
Clogged air filter.
Engine is rough
at all speeds.
Loose or damaged spark plug.
May also have
black smoke
Air leakage or clogged fuel line.
and/or unburned
fuel at the
Water in the fuel.
exhaust.
Piston seizure.
Faulty carburetor and/or diaphragm.
Overheating condition.
Engine is
knocking.
Improper fuel.
Carbon deposits in the combustion chamber.
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ENGINE DOES NOT START
Remedy
Consult with an authorized servicing dealer.
Tighten and re-test.
Consult with an authorized servicing dealer.
Re-fill with fresh fuel of the correct mixture
(gasoline and Shindaiwa Premium 2-cycle
Engine Oil gasoline, 50:1 ratio).
Clean as required; restart.
Move switch to "ON" position and re-start.
Consult with an authorized servicing dealer.
Crank the engine with the plug removed,
replace the plug, and re-start.
Clean and re-gap the plug to 0.24 inch (0.6 mm).
Re-start.
Replace the plug with an NGK BMR6A Re-start.
LOW POWER OUTPUT
Remedy
Consult with an authorized servicing dealer.
Re-fill with fresh fuel of the correct mixture
(gasoline and Shindaiwa Premium 2-cycle
Engine Oil, 50:1 ratio).
Clean, repair or replace as necessary.
Consult with an authorized servicing dealer.
Service the filter.
Tighten or replace.
Repair or replace filter and/or fuel line.
Replace the fuel.
Consult with an authorized servicing dealer.
Consult with an authorized servicing dealer.
See above.
Check fuel octane rating; check for presence of
alcohol in the fuel (pg. 7). Refuel as necessary.
Consult with an authorized servicing dealer.