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

Page: 389 / 1956

PAGE 23
Feb 28/07 2G15
22-10-00
PIPER AIRCRAFT, INC.
PA-46-350P, MALIBU MIRAGE
MAINTENANCE MANUAL
(e) Align the cap on the yaw trim pot knob (on instrument panel) so that the white line is
centered vertically.
(f) Check operation of yaw trim pot by turning trim pot both left and right and verify rudder
pedal movement in the same direction (i.e. - turning trim pot left causes left rudder pedal
depression, etc.)
4. Servo Clutch Torque Adjustment (See Figure 8.)
A. Remove servo per instructions under specific servo, above.
B. Place servo in a holding fixture (i.e. - vice) with capstan up.
C. Remove capstan cover, cable guards, and cable.
D. Check capstan torque by attaching the capstan adjusting tool (special tool - see parts catalog) to
the capstan and using a currently calibrated torque wrench as shown in Figure 8.
(1) Acceptable torque is specified in Chart 1.
(2) If adjustment is required, proceed as follows.
E. Remove cotter pin from end of servo shaft and remove castle nut, shim washers, and tension
washers.
F. Replace tension washers as required (see Chart 1).
G. Replace shim washers and castle nut.
H. Tension castle nut so that capstan torque is as specified in Chart 1.
TORQUE (In. Lbs.) WASHERS
SERVO System 55/55X System 55/55X
Roll 40 ± 2* Three P/N 1253-1 (Blue)
Pitch 27 ± 2* One P/N 1253 (Red)
Two P/N 1253-1 (Blue)
Trim 21 ± 2* Three P/N 1253 (Red)
Yaw 30 ± 2* One P/N 1253 (Red)
Two P/N 1253-1 (Blue)
* ± 3 in S/N’s 4636375 and up
CHART 1
AUTOPILOT SERVO CLUTCH TORQUE