3to 11hp 4-cycle l-head engines - Small Engine Suppliers
3to 11hp 4-cycle l-head engines - Small Engine Suppliers
3to 11hp 4-cycle l-head engines - Small Engine Suppliers
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TROUBLESHOOTING ELECTRICAL STARTER CIRCUIT FLOW CHART<br />
Starter will not<br />
turn<br />
Intermittent<br />
starter operation<br />
Starter turns at<br />
low rpms or<br />
stalls under load<br />
NO<br />
Is there power<br />
at the power<br />
source<br />
YES<br />
Repair or<br />
replace power<br />
source<br />
NO<br />
Is power supplied to the<br />
starter terminal<br />
YES<br />
Check wiring,<br />
connections,<br />
safety switches,<br />
starter switch<br />
NO<br />
Isolate engine<br />
from the<br />
equipment,<br />
does engine<br />
turn over<br />
YES<br />
Check starter for<br />
binding brushes,<br />
worn brushes,<br />
dirty or oily<br />
commutator<br />
NO<br />
Internal engine<br />
failure or flywheel<br />
interference<br />
Remove spark<br />
plug, does engine<br />
turn over freely<br />
NO<br />
YES<br />
Reinstall spark<br />
plug, does<br />
engine bind on<br />
compression<br />
stroke<br />
Repair or replace<br />
equipment<br />
causing<br />
excessive loading<br />
YES<br />
YES<br />
Check valve lash.<br />
Adjust if<br />
necessary. Does<br />
the engine turn<br />
over without<br />
binding now<br />
NO<br />
Repair or replace<br />
electric starter<br />
Internal engine<br />
failure, repair or<br />
replace engine<br />
46
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