2I18
TABLE XI-V. ELECTRICAL SYSTEM TROUBLESHOOTING (cont)
Field circuit breaker Short circuit in field Disconnect field wiring at
trips. (cont) winding of alternator. terminal of alternator. Turn
on master switch. Reset
breaker and if breaker fails
to retrip, this isolates short
circuit to field of alternator
itself. Check brush holders
for shorting against frame.
If there are no obvious signs
of a physical short circuit
at field terminal or brush
holder, replace alternator.
(Note: Intermittent short
circuit.) Internal short
circuiting of the field can
occur at various positions
of the rotor, therefore,
reconnect field, reset
breaker, pull propeller
slowly by hand turning
alternator rotor through
360° of travel. Observe
circuit breaker for signs
of tripping.
CAUTION
Turn magneto switch to off
before turning propeller.
Trouble Cause Remedy
Revised: 2/13/89
CHEROKEE ARROW III SERVICE MANUAL
ELECTRICAL SYSTEM
ALTERNATOR (cont)