Mooney M20B - Brake and Wheel Maintenance

sheet
metal
screws
until doors
are
finally
adjusted
as
explained
in
the
following procedare.
1.
Main
G~ar.
a.
Grease
wheel
besrings,
retraction
linkage,
and fore
and
aft
bearings
which
attach
to
the
spar.
b. Slide
front
end
of
gear
leg
into
front
bearing;
slide
bearing
~late of
rear
attachment
(2257)
over
rear
end
of
main
gear
leg,
spotfaced
side
forward:
c,
Slide
rear
part
of
attachment bracket
between
spar
and
landing
gear.
d.
Line
up
holes in
rear.attachment
and
spar.
Attach with six
bolts.
e.
Attach
retracting
truss
through
retracting
bracket
(5020)
with
two
bolts
and
secure
with
safety
wire.
f. Connect
retraction
tube
(5244)
and
fully
retract
gear.
g.
Connect
gear
assist
spring
(5098)
and
lower
gear.
h.
Attach
gear
door
liT~s
(8051-8052)
to
brackets
(8054)
on
gear
legs.
Raise
gear
to
see
that
there
is
no
bind
in
door
link
helm
bearings.
Door
edge
should
seat
evenly
all
around
against
wing
without
excessive
distortion
where
links attach
to
door.
Adjust-
ment
may
be
made
by
slightly shifting
the
position
of the
gear
door brackets
on
the
gear
leg~or
by
changing
the
length
of
the
links.
This
is
a
preliminary
adjustment.
Do
not
attach
gear
door
brackets
to
gear
leg
with
sheetmetal
screws
until
door ad-
justment
is
refhecked
after
gear
is
rigged.
2.
Nose
Gest.
Installation
of the
nose
gear
is
a
direct
reversal
of
the
removal
procedara
C
E-
BRAgE
AND
WHEEL
ICIAINTENANCE
1.
Brake
lining inspection
and
replacement.
Visually inspect
the
brake while
it
is
installed
on
the
airplane.
No
adjustment
of brake
clearance
is
necessary.
If,
after
extended
service,
the
brake
linings
become
excessively
worn,
replace
with
Pew
linings
as
follo\vs:
a.
Remove dust
cover
from wheel.
b.
Remove
spindle
nut
from
one
side
of
wheel
and
two
bolts
~rom
the other
side
(2
bolts
that
holdback
brake
plate stationary).
c.
Slide
wheel
out and
remove
pressure
plate
that
has the
worn
lining
on
it.
’d.´• The
linings
can
easily
be
replaced
by
drilling
out
three
rivets from
the
pressure
plate
(35-203)
and
three
rivets from
the
back
plate
(35-205).
e.
Replace
old
linings
with the
new
Cleveland
35-204
brake
linings
and
Cleveland
561
rivets. ´•A
561-R
Rivet
setting
kit
is
available
through
Mooney
Aircraft-or
your
near-
est
Distributor.
This
special
~ivet
setting
kit should
be
used
as
rolling
of
the rivet
is
very
important
to
get
a
tight
fit between
the rivet
and
the
rivet
hole.
2.
Wheel
Assembly Inspection.
To
inspect
the wheel
assembly proceed
as
follows:
a.
Place
airplane
on
jacks.
b. Remove axle
nut
and
two
bolts from
back
plate
(35-205)
and
~lide
wheel
off.
c.
Inspect
the wheel
assembly
for
the
following:
1. Check
for
holt
failnre.
Replace
any
bolts
found
to
be
defective.
01-
C
1_
j
OLDWILLWAYNE