Troubleshooting Electrical Starter Circuit Flow Chart - Tecumseh ECV100-120 - TECHNICIAN S Handbook

TROUBLESHOOTING ELECTRICAL STARTER CIRCUIT FLOW CHART

Starter will not
turn
NO
Is there power
at the power
source?
Repair or
replace power
source
Check wiring,
connections,
safety switches,
starter switch
Check starter for
binding brushes,
worn brushes,
dirty or oily
commutator
46
Intermittent
starter operation
YES
Is power supplied to the
NO
starter terminal?
Remove spark
NO
plug, does engine
turn over freely?
Internal engine
failure or flywheel
interference
Repair or replace
electric starter
Starter turns at
low rpms or
stalls under load
YES
Isolate engine
from the
NO
YES
equipment,
does engine
turn over?
Repair or replace
equipment
YES
excessive loading
YES
Reinstall spark
plug, does
engine bind on
YES
NO
compression
stroke?
Internal engine
failure, repair or
replace engine
Main Menu
causing
Check valve lash.
Adjust if
necessary. Does
the engine turn
over without
binding now?
NO