Mooney M20K - Gear; Nose

MOONEY
AIRCRAFT
CORPOW\TION
M20K
SERVICE
AND
MAINTENANCE
MANUAL
NOTE
11.
When
step
10
is
complete,
the
retraction
system
When
gear
overcenter
preload
check
is
is
n’gged
for
the
gear-down-and-locked
position
with
completed,
electrically
extend
the
gear
and
allowance
for
actuator
overrun
after
cutoff.
check
the
nose
gear
tube
bungee
springs
to
12.
Reset
landing
gear
system
circuit
breaker
and
assure
they
have
not
compressed
completely
disengage
manual
system.
resulting
in
no
remaining
deflection.
This
would
indicate
excessive
preload
or
weak
bungees,
13.
Leave
all
gear
doors
disconnected,
and
run
gear-up
electn’cally
until
main
gears
are
.03
inches
32-30-02
MAIN
LANDING
GEAR
SYSTEM
minimum
from
bumper
pads.
Position
gear-up
limit
RIGGING
switch
striker
arm
(H)
(Fig.325)
so
switch
is
JUST
closed,
and
RED
gear
unsafe
light
is
OFF.
Secure
(SIN
25-0001
thru
25-0999)
stn’ker
arm
in
position.
The
gear
is
now
properly
rigged
in the
gear-up
position
with
allowance
for
actuator
1.
Raise
aircraft
on
jacks
and
remove
3
belly
access
overrun
after
cutoff.
panels
located
consecutively
just
aft
of
nose
wheel
well
or
the
one
piece
belly
access
effective
25-0781
and
14.
Electn~cally
extend
gear
to
down-and-locked
later
aircraft.
position. Adjust gear
doors
(refer
to
Main
Door
and
Nose
Gear
Door
Rigging
Procedures
in
Section
2,
Disconnect
main
gear
retradion
tubes
(L)
(Figure
32-10-03,
Main,
and
32-20-03,
Nose).
32-5)
at
inboard
bellcranks
(M).
Loosen
locknuts
(E).
Disconnect nose
gear
retraction
tubes
(F)
(Figure
32-3)
at
main
retraction
bellcrank
(A)
(Figure
32-10).
245
(REF)
Nose
~eor
Bungee
Loosen
locknuts
(G)
(Figure
32-4).
Disconnect
actuator
rod
end
at
(N)
from
bellcrank
(A)
Fig.
32-10.
Disconnect
nose
gear
and main
gear
door links.
Check
gear
for
binding
at
pivot
points
while
moving
gear
legs
by
hand.
Lubricate
retraction
system
as
indicated
in
S~ECTION
5-20-07.
3.
Position
retraction
bellcrank
(A)
Figure
32-10,
so
that
center
of
forward
hole
in
left
outboard
arm
of
the
bellcrank
is 1.56*
IN.
(approximately)
from
forward
face
of
truss
at
Fuselage
Station
33.
(See
Figure
32-10.)
Deflection
of
spring
from
static
NOTE
o
rigged
position
to
be
.OJO
to
.070 in.
This
is
a
starting
point only.
This
dimension
may
vary
to
permit
retraction
tubes
to
connect
NOSE
GEAR
BUNGEE
SPRING
FIGURE
32
6
with
zero
preload,
4.
~Tth
bellcrank
(A),
Figure
32-10,
in
position,
turn
15´•
Adjust
mechaniwl
down
stop
on
actuator
barrel
nut
(D)
on
actuator
until
rod end
aligns
with hole
housing
and
up
stop
per
the
following
instructions
and
in
bellcrank
at
(N).
Install
connection
boitlhardware.
Figure
32-7
and
Figure
32-8.
5,
With
bellcrank
in
position
and
landing
gear
fully
MECHANICAL
DOWN
STOP
e~dended, adjust
main
(L)
(Fig. 326)
and
nose
gear
(F)
A.
560252-1
Fixed
Stops
Use
one
DOWN
STOP
(Fig,
32-10)
retraction
tubes
so
that tubes
can
be
slipped
in
place
with
zero
preload.
560252-3
Fixed
Stops
on
each
side
as
560252-5
Fixed
Stops
required
(Pick
up
6.
Disconnect
electn’cal
power
from
landing
gear
560252-7
Fixed
Stops
existing
hdw).
actuator
by
pulling
actuator
circuit
breaker.
Make
sure
560252-9
Adjustable
Stop
(use
-11
shims)
landing
gear
warning
light
circuit
breaker
is
pushed
IN.
a. V\Mh
gearfulfy
e~tended,
select
d~Mn
stop
of
proper
7.
With
bellcrank,
retraction
tubes,
and
the
gear
thickness
to
give
.650
.100
clearance
at
(6)
between
positioned
as
indicated
in
step
4,
set
down-limit
switch
down-stop
and
end
of barrel nut
(C). (Figure
32-7).
striker
arm
(J) (Fig.325)
so
gear
down
limit
switch is
NOTE
just
closed
and
GREEN
gear-down
light
is
ON.
Secure
Use 1
to
4
560252-11
shims
with
5602529
stop
striker
arm
in
position.
to
achieve
proper
clearance
as
an
alternate
for
8.
Reset
actuator
circuit
breaker
and
partially
retract
560252-1,
-3, 5,
or
-7,
gear
(use
master
switch
to
control
motor).
Screw
rod
end
(E)
(Fig,326),
on
aft
end
of each
main
gear
C. Actuator
barrel
nut.
retrading
tube,
OUT
two
full
turns,
screw
each
nose
D.
560252-11
shim
(use
with
560252-9
only,
gear
retraction
tube
rod end
(F)
(Fig.324)
IN
one
full
ma>dmum
of4).
tum,
then
slip
attaching
bolts
back
in
place.
E.
AN515-6R
screw
9.
Check
nose
and main
gear
overcenter
preload
AN936A6
Lock
Washer
described in
Section
32-30-01,
steps
7 and
8.
Adjust
as
instructed.
CTyp.
2
pie.) (use
with
560252-9
only).
10.
Complete
operational
check
described
in
Use.063
longer
screws
with each
additional
shim.
32-30-01
steps
2,
3,
5
and
6.
(Secure
screw
with
Blue
LocMite
#83-31
grade
C).
32-30-02
10
OLDWILLWAYNE