Mooney M20M - Page 154

SERVICE AND MAINTENANCE
MANUAL
M20M
MOONEY
AIRCRAFT CORPORATION
8.
Disconnect
nose
gear
doors,
outboard main
gear
approximately
1.56
inches
*kX
from
forward face
of
doors,
and inboard door
links.
On outboard
main
gear
truss
at
F.S.
33
(Fig.32-12,
Detail
A).
doors,
disconnect
springs.
On
inboarddoor
bellcranks,
NOTE
disconnect
springs.
Loosen
jamb
nut
(X)
on
retraction
tube
01)
(Fig.
32-11)
and back
off
pressure
on
spring
This
dimension
m
may
vary
to
permit
connection
of
retraction
tubes
with
zero
(W)
by loosening
nut
C~.
Disconnect
retraction tube
O~
from bellcrank
(C)
(Fig.
32-3).
preload
at
bolt
hole.
9.
Position main retraction
bellcrank
(A)
so
center
of
10´•
With main retract
bellcrank
held
in
position,
turn
forward hole
in
the
left
outboard
arm
of bellcrank
is
actuator
barrel
nut
until rod
end
bearing
aligns
with
in
bellcrank;
install connection
bolt
at
(N),
Fig.
-12.
11.
Position
bellcrank
(C)
(Fig. 32-3),
so
center
of
pin
(D)
on
top
leg
is 1.35
inches from bottom
of
spar
cap
(E).
This
will be the
starting
position
landing
gear
is
in down
and
locked
over
center,
O
~L
~Vith
cut
any
preload
set.
12.
Adjust
retraction
tube
(V)
(Fig.
32-11),
at
rod
until
it
will
connect
to
bellcrank
(C)
(Fig.
32-3)
with
connection
bolt/hardware,
leaveat
this
time.
13.
Adjust
rod
end
on
retraction
tube
(L) (Fig.
32-7)
attach
hole
is
aligned
with inboard
bellcrank
at
(M).
connection
bolt/hardware.
14.
Disconnect
retraction
tube
(V)
at
bellcrank
(C)
end;
position
disconnected
gear
full
down
and
over
center.
Both
LH
and RH
landing
gear
be in
this
configuration
at
this time.
15.
PUSH
landing
gear
actuator
C/B
IN.
16.
Turn
MASTER
Switch
ON.
17.
Extend
main
gear
actuator to
fully
extended
Make certain
lugs
on
main
retract
bell crank
not contact
fuselage
tubes,
floorboard
or
actuator
nut.
If there
is
any
contact,
run
actuator
back
up
MECHANICAL
DOWN
STOP
ADJUSTMENT
MECHANICAL DOWN
STOP
FIGURE
32-9
18.
There
should
be
.050
to
.100
inch clearance
(B)
obtained between
actuator
barrel
(C) (Fig.32-9)
and
LEGEND FOR FIGURE
32-9
mechanical down
stop
(A).
Shims
(D) (Fig.
32-9)
may
be
added
to
the
mechanical
downstop
(A) (4 max).
A.
560252-009
Adjustable Stop
(use
560252-011
shims)
19.
Run
actuator
down and
recheck retraction
NOTE
bellcrank
clearance
at
F.S.
33..
Check
clearance
of
Use
1
to 4
560252-011
shims
with
560252-009
bellcranks
(M) (Fig.32-7)
and
center
section.
stop
to
achieve
proper
clearance.
20.
Reconnect
retraction
tubes
O~
(Fig
32-11).
With
Use
one
DOWN STOP
on
each
side
as
required
main
gear
fully
extended,
if
necessary,
adjust
main
(Pick
up
existing
hdw).
gear
retraction
tubes
(L)
(Fig.32-7)
so
they
are
connected
with
zero
preload.
B..050
.100
clearance
(between
down-stop
and
end
of ball
nut)
21.
Adjust
nut
(Y)
of retraction
tube
(V)
(Fig.
32-11)
until main
gear
is
preloaded.
Preioad
is
correct
when
a
C.
Actuator
ball
nut.
"clean break"
can
be felt when
pushing
UP
on
D.
560252-011
shims*
(use
with
560252-009,
i
’et’action
link
(Fig.
32-11).
maximum
of
4).
22.
NOSE
GEAR
RETRACTION
TUBES
ARE
TO
E.
AN515-6R
screw
M
REMAIN
DISCONNECTED
at
main
retraction
bellcrank
(A),
Fig.32-12, during
remainder of
AN936A6 Lock
Washer
procedures.
(Typ.
2
pie.)
(use
with
560252-009).
23.
Place
landing
gear
switch
in
UP
position.
Use
.063
longer
screws
with
each
additional shim.
24. PUSH
RED
gear
safety
by-pass
switch
IN
(Secure
screw
with Blue
LocMite #83-31
grade
C).
intermittently
to
"BUMP
UP"
(retract)
landing
gear
until
F.
Loosen
set
screw
32-10.
left
main tire
just
contacts
bumper
bracket
which
covers
3230-02
4-99
10
OLDWILLWAYNE