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

Page: 564 / 1956

PAGE 2
Feb 28/07
3D20
27-30-00
PIPER AIRCRAFT, INC.
PA-46-350P, MALIBU MIRAGE
MAINTENANCE MANUAL
2. Elevator Torque Tube Bearing Changes
A. Remove nut and washers from end of elevator torque tube assembly.
B. Remove nuts, bolts and washers that secure the bearing block to the tube support bracket.
C. Remove bearing.
D. Replace bearing using the shrink fit process. Bond the bearing with Loctite 290.
E. Secure bearing block to tube support bracket with nuts, bolts and washers.
F. Place two washers over the threaded end of the elevator torque tube and secure with nut.
3. Elevator Controls
A. Removal
(1) To remove elevator torque tube quadrant:
(a) Remove elevator downspring.
(b) Remove the two quadrant cable guards.
(c) Loosen cables.
(d) Remove the screw which retains the elevator cable lockplates.
(e) Remove the cable end retainer (i.e. - lockplate) screws and remove the cables.
(f) Remove the bolts, nuts and washers that secure the quadrant to the elevator torque tube.
(g) Remove the quadrant.
Trouble Cause Remedy
Trim control wheel moves System not lubricated Lubricate system.
with excessive resistance. properly.
Cable tension too high. Adjust cable tension.
Pulleys binding or rubbing. Replace binding pulleys.
Provide clearance between
pulleys and brackets.
Cables not in place on Install cables properly.
pulleys.
Trim tab hinge binding. Lubricate hinge.
If necessary, replace.
Cables crossed or routed Check routing of control
incorrectly. cable.
Trim tab fails to System incorrectly rigged. Check and/or adjust
reach full travel. rigging.
Trim indicator fails to Trim indicator unit not Adjust trim indicator.
indicate correct trim adjusted properly.
position.
CHART 1 (Sheet 2 of 2)
TROUBLESHOOTING ELEVATOR CONTROL SYSTEM