Piper Cherokee Six - Page 263

PIPER
CHEROKEE
SIX
SERVICE
MANUAL
6-4.
LANDING
GEAR
SYSTEM.
6-5. NOSE
LANDING
GEAR.
6-6.
DISASSEMBLY
OF
NOSE
GEAR
OLEO.
(Refer
to
Figure
6-1.)
The
nose
gear
oleo
strut
assembly
may
be
removed
and disassembled
from
the strut
hous-
ing with
the
gear removed
from
or installed
on the
airplane.
a.
Remove
the lower
engine
cowling
by
the
following
procedure:
1.
Release
the cowl
fasteners,
two
on
each
side
and
remove
the
top
cowl.
2. Disconnect
the
electrical
lead
to the
landinglightat
the
quick
disconnect
at
the inside
of
the bottom
cowl.
3.
Remove
the
bottom
cowl
attaching
screws
from
around
its aft
end
and
remove
cowl.
b. Place
airplane
on
jacks.
(Refer to
Jacking,
Section
II.)
c.
Place
a drip
pan
under
the nose
gear
to
catch
spillage.
d. To
remove
air
from
the
strut,
depress
the air
valve
core
pin
found
at the
top
of
the strut
assembly.
After
the pressure
in
the strut
chamber
has
dimin-
ished,
remove
the
valve
core
pin,
and attach
a small
hose
to the
air
valve,
and
drain
the fluid
by slowly
compressing
the piston
tube.
If
it is desirable
to ex-
tract
more
fluid
from
the strut
chamber,
remove
the filler
plug,
insert
the si-
phon hose
and drain
fluid
from the
upper area
of the
housing.
e.
To remove
the
strut
assembly
from
the
strut
housing
(4),
cut
the safety
wire
at the
top of
the housing
that
secures
the
steering
horn
attaching
bolt
to the
tube retainer
nut. Then
remove
the
steering
horn
attaching
bolt and
the flat
head
pin,
thus
relieving
the steering
horn
from
the top
of the
strut
housing.
f.
Loosen
the
strut assembly
retainer
nut
(1) that
secures
the
strut
assembly
in the
strut
housing.
At
the same
time,
slide
the strut
assembly
out through
the
bottom
of
the strut
housing.
Remove
the nut
(1)
and washer
(2) from
the
top
of
the strut
housing
after
the
assembly
is removed.
NOTE
The
strut
assembly
may
fit
tight
inside
of the
housing.
It may
be necessary
to tap
the top
of
the fork
with
a
plastic
mallet.
g. If
desired,
remove
the top
and
bottom
bearing
(3 and
5)
from the
strut
housing.
The
bearings
are compressed
slightly
into
place,
and
light
tapping
may
be
needed
to free
them.
LANDING
GEAR
AND
BRAKE
SYSTEM
Issued:
8/17/72
2A11