Aileron Controls; Control Column Assembly Removal; Flap Control System Troubles; Trim Control Wheel Moves With Excessive Resistance - Piper PA-44-180 SEMINOLE Maintenance Manual

CHART 2702. TROUBLESHOOTING CONTROL SURFACES (cont.)
Trouble
Trim control wheel moves with
excessive resistance.
Trim tab fails to reach full travel.
Trim indicator fails to indicate
correct trim position.
Trouble
Flaps fail to extend or retract.
Flaps not synchronized or fail to
move evenly when retracted.

AILERON CONTROLS

CONTROL COLUMN ASSEMBLY
REMOVAL OF CONTROL COLUMN ASSEMBLY. (Refer to Figure 27-6.)
1. To remove either control wheel with tube, the following procedure may be used:
A. Separate the control wheel tube from the flexible joint that is located on either side of the tee bar
assembly by removing the nut, washer and bolt. Pull the tube from the flexible joint.
B. If removing the left control tube, slide the stop from the tube.
C. Should wires for the various Autopilot systems be installed in the control tube, disconnect them at
the quick disconnect terminals behind the instrument panel. Draw the wires back into the tube
and back out through the forward end of the tube.
D. Remove the control wheel assembly from the instrument panel.
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
S TA B I L ATOR TRIM CONTROL
SYSTEM
Cause
System not lubricated properly.
Cable tension too high.
Pulleys binding or rubbing.
Cables not in place on pulleys.
Trim tab hinge binding.
C a b l e s c r o s s e d or r o u t e d
i n c o rrectly.
System incorrectly rigged.
Trim drum incorrectly wrapped.
Trim indicator unit not adjusted
properly.
FLAP CONTROL SYSTEM
Cause
Control cable broken or discon-
nected.
Incorrect rigging of system.
1K12
Remedy
Lubricate system.
Adjust cable tension.
Replace binding pulleys. Provide
clearance between pulleys and
brackets.
Install cables properly.
Lubricate hinge. If necessary,
replace.
Check routing of control cables
Check and/or adjust rigging.
Check and/or adjust rigging.
Readjust trim indicator.
Remedy
Replace or reconnect control
cable.
Rig flap system.
Revised: June 20, 1995
27-10-01
Page 27-10