Mooney M20TN, Service And Maintenance Manual

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MOONEY AVIATION COMPANY, INC.
M20TN SERVICE & MAINTENANCE MANUAL
Date
2006
Rev Date
Page 7
Skins (10) are stretch--formed in 2 sections and riveted
to ribs and spar.
The rudder attach fittings (11) are mounted to rear spar
extrusion to attach rudder (12).
1
2
3
4
5
7
8
12
10
13
11
11
11
12
4
4
6
9
R55--3
VERTICAL STABILIZER ASSEMBLY
FIGURE 55--3
55--30--01 -- VERTICAL STABILIZER -- REMOVAL
The vertical and horizontal stabilizers are removed as a
unit with stinger assembly. Remove fairing located on
tailcone which covers gap between tailcone and em-
pennage. Section 53--40--02 describes attaching
points for complete empennage assembly. Refer to this
section for removal of empennage assembly from air-
plane.
55--30--02 -- VERTICAL STABILIZER -- INSTALLA-
TION
Refer to Section 53--40--02 for installation.
55--40--00 -- RUDDER
The rudder on the M20TN is of similar construction as
the elevator with stamped--formed skins (1) (Figure
55--4) riveted to an extruded leading edge (2) and riv-
eted together at trailing edge. The rudder lower skins
(3) are drop hammer formed left and right halves, riv-
eted to upper skins, rib assembly (4) and at leading and
trailing edge. A stiffener (5) is to support lower rudder
ball bearing hinge fitting (6). A weather seal (7) is in-
cluded in the assembly.
The rudder control horn (8) is attached with center
hinge fitting (9) to rear flange of front spar at junction of
lower rib assembly (10). A brace arm on horn assembly
is attached to fitting (11) on lower rib (10).
The upper hinge fitting (12) is attached to rear flange of
front spar just under top rib assembly (13) and balance
weight (14), (Figure 55--4).
Balance weight (14) is installed with eight screws (15).
See section 27--91--00 for balancing procedures on
rudder. Balance weight (16) is installed with two bolts.
55--40--01 -- RUDDER -- REMOVAL
Remove AN3 bolt from control horn and push--pull tube
bearing, then remove three AN3 bolts and hardware
from each hinge fitting. Disconnect electrical connec-
tions per paragraph 33--41--03, 2, A thru D.
55--40--02 -- RUDDER INSTALLATION
-- CAUTION --
Each new, repaired or repainted rudder should be
checked for balance per section 27--91--00, prior
to installation.
The rudder is installed in reverse order of removal.
Nominal torque values for AN3 bolts are to be used.
(See Section 5--20--01 for torque table).
55--30--01