Mooney M20K - Wheels and Brakes

MOONEY
AIRCRAFT
CORPORATION
M20K SERVICE
AND MAINTENANCE
MANUAL
32-40-00
-WHEELS
AND BRAKES
4. Remove
nuts,
washers,
and
wheel halt
retaining
bolts,
(5);
separate
halves,
(3,
4)
and
remove
tire and
tube.
32-4061
MAIN
WHEELS
The main
wheels
are
standard
brand,
6:00
x
6,
six-ply
NOTE
rated
tires with standard
tubes.
Bean~ng
cups
are
shn~nk
fitted;
do
not
remove
them unless
necessary
for
replacement.
To
remove
main
wheels
from
aircraft:
1.
Remove
either
IB
or
MID
gear
door.
5. Clean
all wheel
parts
thoroughly
in
cleaning
fluid
(Federal
Specification
PS-661).
Exercise
special
care
A.
Detach
dust
shield.
Remove three
screws
and
i,
cleaning
bean’ng
cones
and
felt
rings
to
insure
washers.
thorough
cleaning.
B. Remove
2
bolts
from brake
caliper.
6.
Inspect
all
pads
for
cracks,
corrosion,
or
evidence
C.
Remove
wheel
by
removing
cotter
key
and
nut
orwear.
from
axle.
(See
Figure
32-13.)
7.
Inspect
bean’ng
cups
and
replace
if
cups
are
D.
Slide
wheel
off
axle.
damaged
or
wom.
If
necessary
to
remove
bean’ng
cups,
heat
wheel in
boiling
water
for
at
least
30
32-40-02
MAIN WHEEL
DISASSEMBLYI
minutes.
Remove
cup
by
tapping
evenly.
ASSEMBLY
To
install
cup,
heat
wheel half
again
and then
cool
cup
i.
Remove
snap
n’ng,
(10)
grease
seal
n’ngs, (8)
and
with
dry
ice.
Position
cup
and
tap
lightly
to
insure
felt
seals
(9),
(See
Figure
32-14). proper
seating.
2.
Remove
bearings (7).
8. Polish
small
burrs
or
nicks
out
of
wheel
halves
3.
Completely
deflate
tire.
with No.
400
grit
sandpaper,
clean
thoroughly,
and
refinish
protective
coating
as
required.
WARNING
9.
Replace
bean’ng
cones
that
show
signs
of
wear
or
Do
not
loosen
wheel half
retaining
nuts
before
bean’ng
fretting.
tire
is
completely
deflated. Failure
to
observe
this
warning
may
result
in
bodily injury.
?O.
Repack
wheel
bean’ngs
and
lubricate
seals
with
grease.
Install
bean’ngs,
grease
seal
n’ngs,
and
felt
seals in
wheel halves.
Secure
with
snap
n’ngs.
3
PLcS.)
CAUTION
Spacer
required
to
position
brake
disc .12
ACER
inches
away
from MLG
leg
assy.
Refer
to
Figure
32-13.
COTTER
PIN--~
/(C~,// ~;iLCW I I
MAIN
~i
SP
TIRE
MAIN
GEAR LEG
ASSY.
14
MAIN
WHEEL
’Ps
NOSE
7
13
NOSE
TIRE
9
2
L\h I I 4 I(lr IYBYB~ h
s
COTIERW
NUT
NOSE
LEG
ASSY.
MAIN
WHEEL
ASSY.
f
NOSE
WH
LANDING
GEAR
WHEEL
REMOVAL
FIGURE
32
13
WHEEL
ASSEMBLIES
FIGURE
32 14
32-40-00
18
OLDWILLWAYNE