Mooney M20K - Page 112

SERVICE
AND
MAINTENANCE
MANUAL
M20K
MOONEY
AIRCRAFT
CORPORATION
NOTE
A
Ustepped
stop
nut",
with a
Ujam
nut",
configuration
has
been
incorporated.
This
configuration
can
be
retrofitted
to
all
M20K
aircra4
if
desired.
This
allows
trim
screw
nut
(F)
(FIG
27-10)
to
contact
stepped
portion
of
these
two
nuts
and
not
bind.
fYD
e
19 I
SM27-ll
FIGURE
27-11
STABILIZER
TRIM
ADJUSTMENT
2.
Nose
Up
Stabilizer
Trim
Control
Rigging
and
Adjustment.
A.
Loosen
setscrew
in
stop
O
and
tum
stop
on
r
threaded
shaft
to
move
it
toward
the
tn’m
screw
gear
SH27-10
box
Tum
tn~m
control
wheel
toward
NOSE
UP
position
FIGURE
27-10
TRIM
CONTROL
ACTUATOR
RIGGING
Until
horizontal
stabilizer
is
within
the
following
limits:(-6.50
to
-7.04.
Basic
rigging
is
identical
to
the
procedures
below
except
that
stepped
nut
and
jam
nut
require
being
NOTE
torqued
together
with
two
wrenches
prior
to
set
screw
Negative
stabilizer
(-degree)
settings
mean
that
In
jam
nut
being
tightened
against
threaded
trim
screw.
stabilizer
leading
edge
is
moved
down
relative
Stepped
nuts are
required
at
the
nose
up
(E)
and
the
to
thrust
line.
nose
down
positions
(A)
facing
trim
screw
nut
(F).
B.
Rotate
stop
O,
(Figure
27-10)
clockwise or
?.Nose
Down
Stabilizer
Trim
Control
Rigging
and
counterclockwise
to
make
contact
with
him screw
nut
Adjustment,
(F).
Tighten
setscrew.
NOSE
UP
stabilizer
trim
control
A.
Loosen
setscrew
in
stop
(A)
(Figure
27-10)~
Turn
n’gging
is
now
complete.
stop
(A)
clockwise or
counterclockwise
to
align
aff
edge
3.
Stabilizer
Tr’un
Indicator
Rigging.
of
stop
(A)
with
last
thread
of
trimscrew
(C)
(Figure
27-10),
Tighten
setscrew
and
turn
tn’m
control
wheel
to
The
indicator
is
geared
to
the
tn’m
control
wheel
and
full
NOSE
DOWN
position
(tn’m
screw
nut
(F)
against
indicates
stabilizer
position
relative
to
the
aircraft
thmst
line.
Set
horizontal
stabilizer
to
an
angle
of
incidence
of
stop
(A).
O
degree
00
minutes
to
minus
O
degree
30
minutes.
B.
Disconnect
torque
shaft
(B)
from
trim
screw
(C),
Adjust
tn’m
indicator
cable
at
(F)
(Figure
27-10)
to
set
(Figure
27-10).
indicator
in
the
cabin
to
the
center
of
the
takeoff
range
mark.
C.
Turn
disconnected
torque
shaft
(B)
clockwise or
counterclockwise
until
hon’zontal
stabilizer
as
A.
Maximum
Stabilizer
Free
Play
Limits
measured,
using
the
travel
board,
P/N
030004-503,
Allowed:
within
the
following
limits:
~3.80
to
27-11),
is
inches.(1)
Fore
and aft
movement
at
stabilizer
tip
.12
and
a
bubble
protractor
as
sho_wn
by
NOTE
(2)
Vertical
movement
at
stabilizer
tip
.10
Positive
degrees)
stabilizer
degrees
mean
inches.
that
stabilizer
leading
edge
is
moved
up
relative
to
thrust
line.
NOTE
When
removing
trim
screw
from
empennage
D.
Connect
torque
shaft
(B)
to
tn’m
screw
(C)
use
a
block
of
wood
cut
to
fit
opening
between
(Figure
27-10).
NOSE
DOWN
stabilizer
trim
control
tailcone
and
empennage
to
prop
empennage
up
rigging
Is
now
complete,
when
tnm
screw
is
removed.
27-40-00
10
OLDWILLWAYNE