Troubleshooting Guide - Shindaiwa HomePro 22DH series Operator's Manual

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...
22
ENGINE DOES NOT START
Possible Cause
Faulty recoil starter.
Fluid in the crankcase.
Internal damage.
Loose spark plug.
Excess wear on
cylinder, piston, rings.
Fuel contaminated
or stale.
Check for clogged fuel
filter and/or vent.
Clean as required.
The ignition switch
is OFF ("O").
Shorted ignition.
Faulty ignition unit.
If the plug is wet, excess
fuel may be in the
cylinder.
The plug may be fouled
or improperly gapped.
The plug may be
damaged internally or
is the wrong size.
Remedy
Consult with an authorized
servicing dealer.
Tighten and re-test.
Consult with an authorized
servicing dealer.
Refill with clean fresh unleaded
gasoline with a pump octane of
87 or higher, mixed with 50:1
Shindaiwa Premium 2-cycle mixing
oil or an equivalent high quality
2-cycle mixing oil. Re-start.
Replace fuel filter;
Check for proper venting. Replace
vent as necessary. Re-start.
Move switch to
ON ("I"); re-start.
Consult with an authorized
servicing dealer.
Crank the engine with the
plug removed and the ignition off,
replace the plug, and re-start.
Clean and re-gap the plug to
0.024 inch (0.6 mm). Re-start.
Replace the plug with a
Champion CJ8 or equivalent
spark plug of the correct heat
range. For electromagnetic
compliance (EMC) use a
NGK BMR6A resistor plug.
Adjust the spark plug electrode
gap to 0.24 inch (0.6 mm). Re-start.