Troubleshooting Guide - Shindaiwa M242/EVC Manual Del Operador

Troubleshooting Guide

What To Check
Does the engine
NO
crank?
YES
Good
NO
compression?
YES
Does the tank
NO
contain fresh
fuel of the
proper grade?
YES
Is fuel visible
NO
and moving in
the return line
when priming?
YES
Is there spark at
NO
the spark plug
wire terminal?
YES
Check the
spark plug.
12
ENGINE DOES NOT START
Possible Cause
Faulty recoil starter.
Fluid in the crankcase.
Internal damage.
Loose spark plug.
Excess wear or damage to cylinder,
piston, rings.
Fuel incorrect, stale, or contaminated;
mixture incorrect.
Check for clogged fuel filter and/or vent.
Priming pump not functioning properly.
The ignition switch is in "O" (OFF)
position.
Shorted ignition ground.
Faulty ignition unit.
If the plug is wet, excess fuel may be
in the cylinder.
The plug is fouled or improperly gapped.
The plug is damaged internally or of the
wrong size.
Remedy
Consult with an authorized servicing dealer.
Tighten and re-test.
Consult with an authorized servicing dealer.
Refill with fresh, clean unleaded gasoline with a pump
octane of 87 or higher mixed with a 2-cycle air cooled
mixing oil that meets or exceeds ISO-L-EGD and/or
JASO FC classified oils at 50:1 gasoline/oil ratio.
Replace fuel filter or vent as required; restart.
Consult with an authorized servicing dealer.
Move switch to "I" (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 0.024 -0.028 inch
(0.6- 0.7 mm). Re-start.
Replace the plug with an BPMR6A or
equivalent resistor type spark plug of the
correct heat range. Set spark plug electrode
gap to 0.024-0.028 inch (0.6-0.7 mm).