Mooney M20K - Elevator System

SERVICE
AND
MAINTENANCE
MANUAL
M20K
MOONEY
AIRCRAFT
CORPORATION
4.
Allowable
Free-Play
Limits
at
Rudder
-Vertical.
k
M~dmum
vertical
movement
allowed
at
rudder
trailing
edge
-a8
inches.
(1)
If
excessive
free-play
exists
check
the
D
following
areas
for
wear:
(a)
Tn’m screw
jackshaft.
(b)
Trim
link
connecting
empennage
to
tn’mscrew.
(c)
Bolts
and
brackets
attaching
empennage
to
tailcone.
5.
Rudder
Torque
Tube
Removal.
The
rudder
torclue
tube
should
be
inspected
thoroughly
and
tl
replaced
If
any
damage
is
found.
Remove
shield
from
front
of
cabin
floorboard
that
covers
torque
tube.
Remove
attaching
hardware
from
hinges
and
rudder
pedal
control
rods.
Carefully
remove
torque
tube
by
sliding
out
toward
the
n’ght
side
of cabin
and
through
cabin
door.
NOTE
Conbol
tube
wear
allowables.
h
any
portion
of
the
I II
srcn-s
control
tube
exceeds
.007
wear
per
wall
or
.014
in
reduction
in
diameter,
the
tube must
be
replaced.
FIGURE
27-6
RUDDER
HORN
ADJUSTMENT
27-30-00
ELEVATOR
SYSTEM
C.
Remove
elevator
to
the
rear.
Elevator
construction
is
essentially
the
same
as
that
of
D.
Install
elevators
in
reverse
sequence
of
removal.
the
ailerons.
Both
elevators
attach
to
the
stabilizer
at
Recheck
attaching
bolts
for
security
and
safety.
Set
four
hinge
points.
Push-pull
tubes
and
bellcranks
link
elevators
(L
3
R)
to
be
even
with
horizontal
stabilizer.
the
elevators
to
the
control
yoke.
Lead
counterweights
Adjust
at
91500jHEIM
bearings
at
elevator
hems.
static
balance
the
elevators.
A
lead
bob-weight
under
2.
Elevator
Rigging
and
Adjustment
the
instrument
panel
refines
aircraft
handling
in
flight.
A.
Adjust
rod
end
bean’ng (3),
(Figure
27-1),
at
1.
Elevator
Removal
and
Installation.
control
yoke
(G)
for
control
shaft
(H)
clearance
from
A.
Remove
push-pull
control tube
by
taking
off all
firewall
and
control
yoke
and
bob
weight
(P)
clearance
attaching
bolts,
nuts,
and
washer.
from
fuselage
strcture.
B. Remove
bolts,
nuts,
and
washers
from
the
four
O
r´•--~
O
O
O
o\ II 1
c
~t
~O
s
SMi~7-5
SMe7-7
FIGURE
27-5
RUDDER&
ELEVATOR
ADJUSTMENT
FIGURE
27-7
ELEVATOR
HORN
ADJUSTMENT
27-30-00
OLDWILLWAYNE