Clamping Rudder Pedals In Neutral Position; Installation Of Rudder Rigging Tool; Installation Of Rudder Trim Assembly (Rudder) - Piper Navajo Chieftain PA-31-350 Service Manual

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1. STOP BOLT
4. POINTER
9
2. RUDDER HORN
5. RUDDER
3. RIGGING
TOOL 6. ELEVATOR
Figure 5-14. Clamping Rudder Pedals
Figure 5-15. Installation of Rudder
in Neutral Position
Rigging Tool
d. Mark one set of cable ends within the fuselage at station 287.50 to facilitate installation and
disconnect the cables (16 and 20) at the turnbuckles (18).
e. Remove the cable guard pin at fuselage stations 332.00 and 342.00.
f.
Disconnect the trim control rod (39) from the trim screw (30).
g. Remove the anti-rotation guide bushing and bolt assembly (33) from the aft end of the screw
(30).
h. Remove the trim sender arm (25) from the trim screw.
i. Remove the cap bolts that attach the screw assembly to the spar.
j. Remove the screw assembly through the access hole and draw the trim cables from the fuselage
and fin.
5-52. INSTALLATION OF RUDDER TRIM ASSEMBLY (Rudder). (Refer to Figure 5-13.)
a.
Ascertain that the trim cable assembly is evenly wrapped (centered) on the drum, the drum
centered between stops on the trim screw and the cables blocked to prevent them from unwrapping.
b.
Position the screw assembly in the vertical fin, install the attachment bolts and secure.
c. Draw the cables (16) through the fin into fuselage and connect them at the turnbuckles (18) at
station 287.50. (If the cables from the control pedestal are not installed, draw the cables tight and block
them at the bulkhead at station 317.75. Install the trim screw assembly in the control pedestal.)
d. Remove the cable blocks from next to the trim screw assembly and from the cables leading from
the control pedestal.
e.
Install the anti-rotation guide bushing and bolt assembly (23) at the aft end of the screw (30).
f. Connect the control rod (39) to the trim screw (30) and secure.
g.
Connect the trim sender arm (28) to the trim screw. Allow the sender arm to rotate freely on the
sender shaft (27) until trim rigging and adjustment is made.
Reissued: 9/23/80
SURFACE CONTROLS
NAVAJO CHIEFTAIN SERVICE MANUAL
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