Piper Cherokee Six - Page 604

PIPER
CHEROKEE
SIX
SERVICE
MANUAL
TABLE
X-III.
ELECTRICAL
SYSTEM
TROUBLESHOOTING
(cont.)
Trouble
Probable
Cause
Isolation
Procedure
and
Remedy
Output
indicated
on
ammeter
does
not
meet
minimum
values
specified
in alternator
system
test
procedure.
(cont)
High
resistance
connec-
tions
in
field
or
output
circuit.
deterioration
at crimp
or
strands
of
broken
wire
at
crimp.
Tighter
any
loose
binding
posts
or
replace
bad
wire
terminals.
Open
rectifier.
If
any
of
the
six
recti-
fiers
pressed
into
the
rear
bell
housing
of
the
alternator
open
up
internally
it
will
result
in
a definite
limitation
on
the current
that
can
be
drawn
from
the
alternator.
After
Having
checked
the
previous
causes
of
low
output
it can
be
assumed
that
a
faulty
rectifier
exists.
Refer
to
Paragraph
10-27b.
Field
Circuit
Breaker
trips.
Short
circuit
in field
circuit.
Disconnect
field
wiring
at terminal
of alter-
nator.
Turn
on
master
switch.
If breaker
continues
to
trip,
pro-
ceed
to
disconnect
each
leg
of
field
circuit,
working
from
the
alter-
nator
towards
the cir-
cuit
breaker
until
breaker
can
be
reset
ELECTRICAL
SYSTEM
Revised:
8/14/73
3D4