Flaps; Removal Of Wing Flap Controls - Piper Dakota Maintenance Manual

12. Turn trim wheel to full travel and check for turnbuckle clearance, interference between turn-
buckles and pulleys, and location of tab indicator.

FLAPS

WING FLAP CONTROLS
REMOVAL OF WING FLAP CONTROLS (figure 27-l9)
1. Remove flap torque tube assembly as follows:
a. Remove access plate located between underside of aft section of each wing and fuselage by
removing attaching screws.
b. Remove two front seats, rear seats, and floor panel.
c. Disconnect left and right flap control tubes (rods) at flaps by removing nuts, washers, and bolts or
at torque tube cranks (arms) by removing bolts and washers from inner side of each crank.
Remove bolt through a hole in side skin of fuselage located over torque tube with flap handle
moved to its 40 degree position.
d. With flap handle, fully extend flaps and disconnect flap tension spring at spar or aft end of control
cable.
e. Grasp flap handle, release plunger and allow flap to return to retracted position.
With tension spring disconnected, there will be forward pressure
on flap handle. Lower flap handle slowly to prevent damage to
mechanism.
f. Disconnect flap return spring at spar or return chain, as desired.
g. Disconnect control cable from chain by removing cotter pin, nut, and clevis bolt.
h. Remove tube support blocks by removing block attaching bolts.
i. Remove nuts, washers, and bolts securing right and left cranks and stop fittings on torque tube.
j. From between each wing and fuselage, remove cranks from torque tube.
k. Disconnect one bearing block from its mounting brackets by removing nuts, washers, and bolts.
l. Slide tube from bearing block still attached to its brackets; raise end and lift it from floor opening.
2. Remove flap control cable as follows:
a. If front seats and rear seats have not been removed, remove seats.
b. Disconnect flap tension spring from cable, if not previously disconnected.
With tension spring disconnected, there will be forward pressure
on flap handle. Lower flap handle slowly to prevent damage to
mechanism.
c. Retract flap.
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
—CAUTION—
—CAUTION—
1L12
27- 51 - 00
Page 27 - 37
Reissued: August 1, 1986