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Piper PA-32RT-300T User Manual

Piper PA-32RT-300T
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Figure
11-39.
Turning
Starting
Figure
11-40.
Testing
Motor
Motor
Commutator
Armature
for
Shorts
11-40.)
The
armature
is
placed
on
the
growler
and
slowly
rotated
by
hand
while
a steel
strip
is
heldover
the
core
so
that
it passes
over
each
armature
core
slot.
If
a
coil
is
shorted,
the
steel
strip
will
vibrate.
d.
A
quick
check
for
opens
can
be
made
by
inspecting
the
trailing
edge
(in
di-
rection
of
rotation)
of the
commutator
segments
for
excessive
discoloration.
This
condition
indicates
an
open
circuit.
11-67.
FIELD
COILS.
a.
Check
the
field
coils
for
grounds
(Refer
to Figure
1141)
by
placing
one
test
probe
on
the
frame
and
the
other
on
the
starter
terminal.
Be sure
the
brushes
are
not
accidentally
touching
the
frame.
If the
lamp
lights,
the
fields
are
ground-
ed.
Repair
or
replace.
b.
Inspect
all
connections
to
make
sure
they
are
clean
and
tight
and
inspect
insulation
for
deterioration.
11-68.
BRUSH
HOLDERS.
a.
To
test
brush
holders,
touch
one
test
probe
to
the
brush
plate
and
the
oth-
er
to
each
brush
holder.
b.
The
test
lamp
should
light
when
the
grounded
brush
holders
are
touched
and
should
not
light
when
the
insulated
brush
holders
are
touched.
11-69.
GEAR
AND
PINION
HOUSING.
Figure
1141.
Testing
Motor
Inspect
housings
for
cracks
and
bear-
Fields
for
Grounds
Issued:
1/3/78
ELECTRICAL
SYSTEM
2H8
LANCE
II
SERVICE
MANUAL

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Piper PA-32RT-300T Specifications

General IconGeneral
BrandPiper
ModelPA-32RT-300T
CategoryAircrafts
LanguageEnglish

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