Piper PA-24 Comanche Service Manual page 641

PIPER COMANCHE SERVICE MANUAL
TABLE IX· VII. TROUBLESHOOTING
(cont)
Trouble Coule
Remedy
Burned-out system am- Discharged battery. Replace with a fully
meter or line fuse.
charged battery.
Defective wiring.
Replace all defective wiring.
ALTERNATOR
No output from alternator. Malfunction of alternator,
Check alternator output and
alternator output circuit field circuits. Refer to
or field circuit. Paragraph 9-44.
Check alternator. Refer to
Paragraph 9-44.
Reduced output from Open diode.
Check alternator. Refer to
alternator.
Paragraph 9-44.
STARTER
Motor fails to operate.
Low battery charge. Check and recharge if
I
necessary.
Defective or improper
Refer to electrical wiring
I
wiring or loose
diagram and check all
I
connections.
wiring.
i
Defective starter solenoid
Replace faulty unit.
or control switch.
Binding. worn. or improperly
Brushes should be a free fit
seated brush, or brushes
in the brush boxes without
I
with excessive side play.
excessive side play. Bind-
ing brushes and brush
boxes should
be
wiped
clean with a gasoline
(undoDed'\ moistened cloth.
ELECTRICAL SYSTEM
ISSUED: 8/18/72
3
F2
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