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Cessna 150M - Main Landing Gear

Cessna 150M
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5-4.
MAIN LANDING GEAR.
Figure
5-1
illustrates
the
main
landing
gear,
both
flat
spring
and
tubular.
The
illustrations
should
be
used
in
conjunction
with
the
following
procedures
during
removal
and
installa-
tion
of
component
parts.
Disassembly,
inspection
and
repair,
and
reassembly
of
the
various
main
wheel
configurations
are
described
in
separate
paragraphs
for
each
configuration.
The
solid
wheels
having
two
wheel
halves
are
manufactured
by
Cleveland
Aircraft
Products
Co.
and
webbed
wheels
having two
flanges
and
a hub
are
manufactured
by McCauley
Industrial
Corporation.
The
Cleveland
wheels
are
shown
in
figure
5-3.
The
McCauley
wheels
have
either
alumi-
num
flanges
or
steel
flanges
as
shown
in
figure
5-3A.
The
aluminum
flanges
are
attached
to·
the
wheel
hub
by
thru-bolts
and
nuts
as
shown
in
figure
5-3A
and
the
steel
flanges
are
attached
to
the
wheel
hub by
cap-
screws
as
shown
in
figure
5-3A.
During
assembly
of
the
main
wheels
the
thru-bolt
nuts
or
caps
crews,
as
applicable,
shall
be
tightened
evenly
and
torqued
to
the
value
specified
in
figure
5-2A.
5-5.
REMOVAL
(FLAT.)
(See
sheet
1 of
figure
5-1.)
The
following
procedural
steps
remove
the
landing
gear
as
a
complete
assembly.
Refer
to
applicable
paragraphs
for
removal
of
the
individual
components.
a.
Remove
floorboard
access
covers
over
spring-
strut
being
removed.
b.
Hoist
or
jack
aircraft
in
accordance
with
Section
2.
c.
Remove
screws
and
allow
external
fairing
plate
and
seal
to
slide
down
spring-strut.
SHOP
NOTES:
d.
Drain
hydraulic
brake
fluid
from
brake
line
on
strut
being
removed.
e.
Disconnect
hydraulic
brake
line
at
fitting
where
brake
line
comes
through
fuselage
skin.
Cap
or
plug
disconnected
fittings.
f.
Remove
bolt
attaching
wedge
at
outboard
landing
gear
fitting
and
pry
wedge
and
shims
out of
fuselage.
Retain
shims
and
wedge.
g.
Remove
bolt
attaching
inboard
end of
the
strut
to
the
inboard
fitting
and
pull
entire
gear
assembly
out
of
fuselage.
Note
shim(s)
placed
under
inboard
end of
strut
and
mark
them
to
be
sure
they
are
installed
cor-
rectly
at
installation
of
strut.
5-6.
INSTALLATION
(FLAT.)
(See
sheet
1 of
figure
5-1.)
The following
procedural
steps
install
the
I
landing
gear
as
a
complete
assembly.
Refer
to
applicable
paragraphs
for
installation
of
the
indi-
vidual
components.
a.
Slide
external
fairing
plate
and
seal
over
upper
end
of
landing
gear
spring-strut.
NOTE
Shims
are
installed
under
inboard
end
of
the
spring-strut
as
required
to
level
the
wings
within
a
total
tolerance
of
three
inches.
Maximum
number
of
shims
per-
missible
is
three.
b.
Slide
spring
strut
into
place
and
work
shims
in
position
under
inboard
end
of
strut.
Install
bolt
to
secure
inboard
end of
strut.
Change
3
5-3

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