Flaps; Wing Flap Controls Removal - Piper PA-44-180 SEMINOLE Maintenance Manual

7 . Move the stabilator and trim tab to all extremes of travel and check to insure that there is no interference
between the turnbuckles and pulleys.
8 . Check to insure that the stabilator up and down stops are contacted before the tee bar stops are contacted.
9. With the stabilator held securely against either stop, determine the free play of the stabilator tab. Total
free play, measured at the tab trailing edge must not exceed 0.15 of an inch.

FLAPS.

WING FLAP CONTROLS.
REMOVAL OF WING FLAP CONTROLS. (Refer to Figure 27-25.)
1. To remove the flap torque tube assembly:
A. Remove the access plate located between the underside of the aft section of each wing and the
fuselage by removing attaching screws.
B . Remove the floor panel located aft of the main spar by removing the center seats, seat belt
a t t a c hments and the screws securing the panel. Lift the panel and remove from airplane.
C. Disconnect the left and right flap control tubes (rods) at the flaps by removing the nuts, washers
and bolts or at the torque tube cranks (arms) by removing the bolts and washers from the inner
side of each crank. It will be necessary to remove bolt through a hole in the side skin of the
f u s elage located over the torque tube with the flap handle moved to its 40 degree position.
D. Fully extend the flaps with the flap handle. Disconnect the flap tension spring at the spar or the
aft end of the control cable, as desired.
E. Grasp the flap handle, release the plunger, and allow the flap to return to the retracted position.
Use caution as forward pressure will be on the handle with the tension spring disconnected.
F. Disconnect the flap return spring at the spar or return chain, as desired.
G. Disconnect the control cable from the chain by removing cotter pin, nut, and clevis bolt.
H. Remove the tube support blocks by removing the block attachment bolts.
I. Remove the nuts, washers and bolts securing the right and left cranks and stop fittings on the
torque tube.
J. From between each wing and the fuselage, remove the cranks from the torque tube.
K. Disconnect one bearing block from its mounting brackets by removing nuts, washers and bolts.
L. Slide the tube from the bearing block still attached to its brackets, raise the end and lift it from the
floor opening.
2. The flap control cable may be removed by the following procedure:
A . If the center seats and floor panel have not been removed, remove the seats and the screws securing
the floor panel.
B. Disconnect the flap tension spring from the cable if not previously disconnected, by extending the
flaps to relieve spring tension.
C. Retract the flap. Use caution as forward pressure will be on the handle with the spring
disconnecte d .
D. Disconnect the cable from the chain by removing cotter pin, nut, clevis pin and bushing.
E. Remove the flap handle bracket and trim control wheel cover.
F. Remove the aft heat deflectors on each forward floor tunnel by sliding far enough to release the
spring fasteners.
G. Lift the aft section of the tunnel carpet far enough to remove the screws securing the tunnel cover
that is between the flap handle and the spar cover. Remove the cover.
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
1L19
27-50-01
Page 27-41
Revised: June 20, 1995