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Piper PA-32RT-300T User Manual

Piper PA-32RT-300T
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LANCE
II SERVICE
MANUAL
7-72.
BLEEDING
BRAKES.
7-73.
BRAKE
BLEEDING
PROCEDURE
(Gravity).
a.
On
both
main
landing
gear
wheel
brake
assemblies,
attach
a
clear
plastic
hose
to
the
brake
bleeders
and
extend
into
container
partially
filled
with
hydraulic
fluid,
MIL-H-5606A.
The
ends
of
this
hose
should
be
submerged
in
the
fluid.
Open
both
bleeders
approximately
one
and
one-half
to
two
turns.
b.
Fill
the
brake
reservoir
on
the
fire
wall
with
hydraulic
fluid,
MIL-H-5606A.
c.
Disconnect
the
toe
brake
cylinders
from
the
pedal
connection
by
removing
clevis
pin,
washer
and
cotter
pin.
d.
Invert
toe
brake
cylinder
to
aid
in releasing
trapped
air
in
the
top
of
the
cylinder.
e.
Check
toe
brake
pedals
in
the
cockpit
to
insure
pedals
are
pulled
full
aft.
f.
Pull
the
hand
brake
handle,
pumping
the
master
cylinder
very
slowly
approximately
25
times
until
fluid
is observed
passing
through
the
clear
plastic
hoses
at
the
wheel
cylinder.
NOTE
Fluid
level
in
the
reservoir
must
be
maintained
to
prevent
air
from
entering
in the
line.
g.
Tighten
both
wheel
bleeders.
h. Pull
hand
brake
until
a
firm
handle
is
maintained.
7-74.
BRAKE
BLEEDING
PROCEDURE
(Pressure).
a.
Place
a
small
clear
plastic
hose
on
the
vent
tube
of
the
brake
reservoir
and
place
a
second
small
clear
plastic
hose
on
the
bleeder
fitting
on
one
main
landing
gear.
Place
the
open
ends
of
these
tubes
in
a
suitable
container
to
collect
the
fluid
overflow.
Open
the
bleeder
fitting
one
or
two
turns.
b.
On
the
other
main
gear,
slide
the
hose
of
the
pressure
unit
over
the
bleeder
fitting
then
open
the
fitting
one
or
two
turns
and
pressure
fill
the
brake
system
with
MIL-H-5606A
fluid.
c.
With
fluid
continually
flowing
through
the
brake
system,
SLOWLY
and
together
actuate
the
hand
brake
and
the
toe
brake
pedal
of
the
side
being
bled,
several
times,
to
purge
the
cylinders
of
air.
On
dual
brake
installations,
both
right
and
left
pedals
must
be
actuated.
NOTE
By
watching
the
fluid
pass
through
the
plastic
hose
at the
fluid
reservoir
and
the
bleeder
fitting
on
the
gear
being
bled,
it
can
be
determined
whether
any
air
is
left
in
the
system.
If
air
bubbles
are
evident,
filling
of
the
system
shall
be
continued
until
all
the
air
is
out
of
the
system
and
a steady
flow
of
fluid
is
obtained.
Should
the
brake
handle
remain
spongy,
it may
be
necessary
to
disconnect
the
bottom
of
the
toe
brake
cylinders
(next
to
the
pedal)
and
rotating
the
cylinder
horizontally
or
even
above
horizontal
and
by
use
of
the
hand
brake
alone,
purge
the
air
from
the
system.
Issued:
1/3/78
LANDING
GEAR
AND
BRAKE
SYSTEM
1L15

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Piper PA-32RT-300T Specifications

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

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