Piper TURBO ARROW III - Page 493

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TABLE XI-V. ELECTRICAL SYSTEM TROUBLESHOOTING (cont)
Excessive arcing of Binding, worn, or See information above
motor brushes. improperly seated dealing with this trouble.
brush or brushes with
excessive side play.
Dirty commutator, Clean as outlined above.
rough, pitted, or
scored.
Excessive wear and Rough or scored Remove and turn commutator
arcing or motor commutator. down on a lathe.
brushes.
Armature assembly Reface commutator.
not concentric.
Discharged battery. Battery worn out. Replace battery.
Low electrical Check voltage
system voltage. regulator voltage.
Standing too long. Remove and recharge battery
if left in unused airplane
three weeks or more.
Equipment left on Remove and recharge.
accidentally.
Impurities in Replace.
electrolyte.
Short circuit (ground) Check wiring.
in wiring.
Broken cell partitions. Replace.
Trouble Cause Remedy
Revised: 2/13/89
CHEROKEE ARROW III SERVICE MANUAL
ELECTRICAL SYSTEM
STARTER (cont)
BATTERY