Piper Warrior III - FLAPS; TROUBLESHOOTING; FLAP CONTROLS; REMOVAL

PIPER AIRCRAFT, INC.
PA-28-161, WARRIOR III
MAINTENANCE MANUAL
PAGE 1
Nov 30/06
2I19
27-50-00
FLAPS
1. Troubleshooting
See Chart 1.
2. Flap Controls
A. Removal (Refer to Figure 1.)
(1) Remove the flap torque tube assembly by the following procedure:
(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 two front seats and the bottom half of the rear seat or floor panel, whichever
applies.
(c) Disconnect the left and right flap control tubes (rods) (4) at the flaps by removing the nuts,
washers and bolts (2) or at the torque tube cranks (arms) (11) by removing the bolts (12)
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 fuselage located over the torque tube with the flap handle
moved to its 40 degree position.
(d) Using the flap handle (29), fully extend the flaps and disconnect the flap tension spring
(22) at the spar or the aft end of the control cable (23), as desired.
(e) Grasp the flap handle, release the plunger (33) 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 (32) at the spar or return chain (30) as desired.
(g) Disconnect the control cable from the chain (20) by removing cotter pin, nut and clevis
bolt (21).
(h) Remove the tube support blocks (16 and 31) by removing the block attaching bolts (15).
(i) Remove the nuts, washers and bolts (10) securing the right and left cranks (11) and stop
fittings (13) on the torque tube.
(j) From between each wing and the fuselage, remove the cranks from the torque tube.
(k) Disconnect one bearing block (7) from its mounting brackets (6) by removing nuts,
washers and bolts (5).
(l) Slide the tube from the bearing block still attached to its brackets, raise the end and lift it
from the floor opening.
CHART 1
TROUBLESHOOTING FLAP CONTROL SYSTEM
Trouble Cause Remedy
Flaps fail to extend or retract. Control cable broken or Replace or reconnect
disconnected. control cable.
Flaps not synchronized or Incorrect rigging of system. Adjust flaps.
fail to move evenly when
retracted.