Piper Aircraft Corporation Malibu Mirage PA-46-350P, Airplane Maintenance Manual

Page: 386 / 1956

PAGE 20
Feb 28/07
2G12
22-10-00
PIPER AIRCRAFT, INC.
PA-46-350P, MALIBU MIRAGE
MAINTENANCE MANUAL
H. Pitch Servo (See Figure 6.)
The pitch servo is located in the unpressurized aft fuselage.
(1) Removal
(a) Remove the aft fuselage access panel (see #1, Figure 3, 6-00-00).
(b) Disconnect autopilot harness.
(c) Remove locking clips (2) from turnbuckle in autopilot bridle cable. Let the upper segment
of the autopilot bridle cable remain on top of the autopilot sector assembly.
(d) Remove cotter pins (cable guards) (2) holding the lower segment of the autopilot bridle
cable on idler pulley and remove the bridle cable from the idler pulley.
(e) Remove cotter pin (cable guard) holding the autopilot bridle cable to the bottom of the
autopilot sector assembly.
(f) Remove cotter pin, clevis pin, washers (2), and autopilot bridle cable fork end from
autopilot sector assembly.
(g) Remove nuts, washers, and bolts (4 ea.) securing pitch servo to mounting brackets and
remove pitch servo with attached bridle cable.
(2) Installation
(a) Rig elevator controls per Elevator Controls Rigging, 27-30-00.
(b) Remove screws (4) and remove capstan cover and cable guards from servo.
(c) Adjust pitch servo clutch torque per Servo Clutch Torque Adjustment, below.
(d) Wrap autopilot bridle cable, align capstan, and and tighten center-ball setscrew as shown
in Figure 6.
(e) Replace cable guards and capstan cover, secure with screws (4).
(f) Position pitch servo as shown in Figure 6 and secure with bolts, nuts, and washers (4
ea.).
(g) Position autopilot bridle cable fork end on autopilot sector assembly and secure with
clevis pin, washers (2), and cotter pin.
(h) Ensuring bridle cable is in bottom groove of sector assembly, insert and secure cotter pin
(cable guard).
(i) Loop bridle cable over idler pulley and install cotter pins (cable guards) (2).
(j) Connect bridle cable turnbuckle and adjust cable tension as specified in Figure 6.
(k) Install bridle cable turnbuckle locking clips (2).
(l) Connect autopilot harness.
(m) Check autopilot system for binding and correct operation.
(n) Check elevator controls for free and correct movement.
(o) Replace and secure the aft fuselage access panel.