Piper Cherokee Six - Page 606

PIPER
CHEROKEE
SIX SERVICE
MANUAL
TABLE
X-III.
ELECTRICAL
SYSTEM
TROUBLESHOOTING
(cont.)
Trouble
Probable
Cause
Isolation
Procedure
and
Remedy
Field
Circuit
Breaker
trips.
(cont)
Output
circuit
breaker
trips.
Short
circuit
in
field
winding
of alternator.
(cont)
Short
circuit
in output
circuit
CAUTION
Turn
magneto
switch
to off
before
turning
propeller.
Disconnect
wiring
at
battery
post
of
alterna-
tor.
Turn
on
master
switch.
Reset
breaker
and
if
breaker
con-
tinues
to
trip
proceed
to disconnect
each
leg
of output
circuit,
work-
ing
from
the
alternator
towards
the
circuit
breaker
until
breaker
can
be reset
and will
hold.
Replace
com-
ponent
or
wire
which
was
isolated
as
defec-
tive
(See
Figure
10-1).
Shorted
alternator
diode.
Battery
installed
with
reversed
polarity.
Disconnect
wiring
at
battery
post
of
alter-
nator.
Turn
on
master
switch.
Reset
breaker
and
if breaker
fails
to
retrip,
this isolates
short
circuit
to
alter-
nator.
Refer
to Paragraph
10-27b.
Remove
battery
and
reinstall
with
correct
ELECTRICAL
SYSTEM
Revised:
8/14/73
3D6