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Cessna 150J - Page 28

Cessna 150J
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e.
If
any of
the
preceding
conditions
exist,
clean
and
relubricate
jack
screw
as
outlined
in
steps
"f"
thru
"r".
f. Remove
actuator
from
aircraft
as
outlined
in
Section
7.
g. Remove
all
existing
lubricant
from
jack
screw
and
torque
tube
by
running
the
nut
assembly
to
the
end
of
the
jack
screw
away
from
the
gearbox,
and
soaking
the
nut
assembly
and
jack
screw
'in
Stoddard
solvent.
NOTE
Care
must
be
taken
to
prevent
solvent
from
entering
gearbox.
The
gearbox
lubricant
is
not
affected
and
should
not
be
disturbed.
h.
After
soaking,
clean
entire
length
of
jack
screw
with
a
wire
brush,
rinse
with
solvent
and
dry
with
compressed
air.
NOTE
Do
not
disassemble
nut and
ball
retainer
assembly.
i.
Relubricate
jack
screw
with
MIL-G-21164
(Molybdenum
Disulfide
Grease)
as
outlined
in
steps
"j"
thru
"m".
j.
Rotate
nut down
screw
toward
the
motor.
k.
Coat
screw
and
thread
end
of nut
with
grease
and
run
nut
to
full
extension.
1.
Repeat
the
process
and
pack
lubricant
in
the
cavity
between
the
nut and
ball
retainer
assembly
at
the
threaded
end
of
the
nut.
SHOP
NOTES:
2-14
Change
3
m.
Repeat
the
process
and
work
nut
back
and
forth
several
times.
n.
Remove
excess
grease.
o.
Reinstall
actuator
in
aircraft
per
Section
7.
b.
On
aircraft
prior
to
Serials
15072630, F15000739,
A15000278
and F15000133
which
have
been
modified
by
Service
Kit SK150-37B,
proceed
as
follows:
1.
At
each
100
hour
inspection,
expose
jack
screw
by
operating
flaps
to
full-down
position,
and
inspect
wing
flap
actuator
jack
screw
for
proper
lubrication.
If
lubrication
is
required,
proceed
as
follows:
a.
Clean
jack
screw
with
solvent
rag,
if
neces-
sary,
and
dry
with
compressed
air.
b.
Relubricate
jack
screw
with
MIL-G-21164
(Molybdenum
Disulfide
Grease)
as
required.
c.
On
aircraft
beginning with
Serials
15072630,
F15000739, A15000278
and
FA15000133
and
air-
craft
modified
by
SK150-41,
clean
and
lubricate
wings
flap
actuator
jack
screw
each
100
hours
as
follows:
1.
Expose
jack
screw
by
operating
flaps
to
full-
down
position.
2.
Clean
jack
screw
threads
with
solvent
rag
and
dry
with
compressed
air.
NOTE
It
is
not
necessary
to
remove
actuator
from
aircraft
to
clean
or
lubricate
threads.
3.
With
oil
can,
apply
light
coat
of
No
10
weight
non-detergent
oil
to
threads
of
jack
screw.

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