Mooney M20K - Main Gear Installation

MOONEY
AIRCRAFT
CORPORATION
M20K
SERVICE
AND
MAINTENANCE
MANUAL
B. Remove
gear
retraction
spn’ng
(A)
and
link
at
gear
in
the
UP
position.
AN960-10
washers
may
be
(F),
(Figure
32-1), by
attaching
spn’ng
installation
tool
used
as
spacers.
(B),
P/N
GSE
030012,
told
P/N
was
8186) using
an
4.
Reconnect
outboard
gear
doors
and check
that
AN3-12A
bolt
at
(E)
to
relieve
pressure
at
(F).
Remove
the
forward
edge
of
outboard
gear
doors
are
faired
with
grease
Mting
priorfo
using
tool,
wing
skin/wheel
well
opening
and that
there
is
no
9.
E>ctend
gear
three
to
four
inches
from
down-lock
binding
or
distortion
where
links
attach
to
door.
position
and secure.
10. Remove
six
mounting
bolts
from
rear
gear
"cb~31
trunnlon
shaff
mounting
block
assembly
at
stub
spar.
il.Slide
out
aft
bean’ng
block.
12.
Slide
front
bean’ng
block
aft
and
remove.
13.
SIMe
gear
assembly
aft
until clear
of front
bean’ng,
and
careful(y~remove
gearassembly
from
wing.
14,
Identify
all
components
removed,
and
DO
NOT
intermix
n’ght
and
left
gear
components.
15,
00
NOT
attempt
to
repair
any
heat
treated
jl dl
component
of
main
landing
gear
assembly.
32-1092
-MAIN
GEAR
INSTALLATION I
i.
Lubn’cate
wheel
bean’ngs,
retraction
linkage,
and
fore
and
aft
trunnion
bean’ngs prior
to
installation
(refer
to
Section
5-20-07
for
recommended
lubn’cants).
2.
Installation
of
main
gear
is the
exact
reversal
of
the
main
gear
removal
procedure.
NOTE
Torque
510078901,403
or1)05
bolts from
270 to
300
In.
Lbs.
3.
Check
fore
and aft
movement
of
gear
in
bean’ng
blocks. Maximum
allowable
movement
is
.020.
Shim
excess
by
inserting
shims
at
rear
block
INBOARD
GEAR
DOOR
ADJUSTMENT
POINTS
4.
TemporBn’ly
attach
gear
door link
rods
to
gear
leg
(25-0001
thru
25-0999)
brackets.
FIGURE
32
2
5.
Retract
gear
while
checking
for
binding
in
door
linkage
and
proper
contact
of
gear
door
edges
with
5´•
If
adjustments
are
required,
adjust
outboard
gear
wing.
DO
NOT
make
final
gear
door
adjustments
until
door
rod ends
(Fig.
32-2A)
at
forward
or
aft
linkages
as
gear
has
been
rigged (Ref.
32-30-02).
required.
E>dend
gear
to
adjust
links,
then
retract to
check
adjustment.
32-10-03
MAIN
GEAR
DOORS
RIGGING
32-10-04
-MAIN
GEAR
DOORS
RIGGING
(25-0001
thru
25-0939)
(25-1000
thru
25-TEA)
NOTE
Gear
system
must
be
properly
n’gged
prior
to
NOTE
gear
door
rigging,
see
Section 32-30-02.
Gear
system
must
be
properly
rigged
prior
to
1.
Raise
aircraft
on
jacks.
gear
door
rigging,
see
Section
323002.
2.
Check
main
gear up
against
bumper
pads.
1.
Raise
aircraft
on
jacks.
3.
Normally
once
the
doors
are
installed
at
the
2.
Normally
once
the
doors
are
installed
at
the
factory
no
fi~rther
adjustment
should
be
required.
factory
no
further
adjustment
should
be
required.
However,
should
the
inboard
doors
be removed
for
any
However,
should
the
MID-GEAR
doors
be
removed for
reason
the
following
n’gging procedure
should
be
used
any
reason
the
following
rigging
procedures
should
~e
when
reinstalling
them:
used when
reinstalling
them:
A.
Disconnect
outboard
gear
doors
at
the
forward
A.
Disconnect
outboard
doors
at
forward
and aft
and an
linkages (6)
(Fig.
32-2A).
linkages
(B)
(Fig.32-2A).
B.
Raise
gear
electn’cally
to
the
full
up
position.
B.
Disconnect
inboard
doors
at
fo~ward
linkage
and
C.
Forward
leading
edge
and
aft
trailing
edge
of the
springs
(A)
(Fig.32-2B).
inboard
gear
door
should
be
tight
against
the
wing
skin
C.
Raise
gear
electn’cally
to
the
full
UP
position.
and
fair with the
aft
bubble
fain’ng.
Spacers
(A)
(Figure
32-2)
should
be
added
or
removed
as
required
to
D.
Forward
leading
edge
andaft
trailing
edge
of the
obtain
a
good
fit
with
no
binding
or
distortion
with
the
Mid-Gear
doors
should
be
tight
against
wing
skin.
32-1 0-02
OLDWILLWAYNE