Piper Cherokee LANCE, Service Manual

Page: 183 / 854

PIPER CHEROKEE SIX / LANCE SERVICE MANUAL
07/15/06 V - SURFACE CONTROLS
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5-33. WING FLAP CONTROLS.
5-34. REMOVAL OF WING FLAP CONTROLS. (Refer to Figure 5-15.)
a. The flap torque tube assembly may be removed by the following procedure:
1. Remove the access plate located between the underside of the aft section of each wing and the
fuselage by removing attaching screws.
2. Remove the floor panel located aft of the main spar by removing the center seats, seat belt
attachments and the screws securing the panel. Lift the panel and remove from airplane.
3. 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 and
washers ( 12) from the inner side of each crank. It will be necessary to remove bolt (12)
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.
4. With 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.
5. Grasp the flap handle, release the plunger (35) and allow the flap to return to the retracted
position. Use caution as forward pressure will be on the handle with the tension spring (22)
disconnected.
6. Disconnect the flap return spring (34) at the spar or return chain (32) as desired.
7. Disconnect the control cable from the chain (20) by removing cotter pin, nut, and clevis bolt
(21).
8. Remove the tube support blocks (16 and 33) by removing the block attachment bolts (15).
9. Remove the nuts, washers and bolts (10) securing the right and left cranks (11) and stop
fittings (13) on the torque tube.
10. From between each wing and the fuselage, remove the cranks (11) from the torque tube.
11. Disconnect one bearing block (7) from its mounting brackets (6) by removing nuts, washers
and bolts (5).
12. Slide the tube from the bearing block still attached to its brackets, raise the end and lift it from
the floor opening.
b. The flap control cable (23) may be removed by the following procedure:
1. If the center seats and floor panel have not been removed, remove the seats and the screws
securing the floor panel.
2. Disconnect the flap tension spring (22) from the cable (23) if not previously disconnected, by
extending the flaps to relieve spring tension.
3. Retract the flap. Use caution as forward pressure will be on the handle with the spring
disconnected.
4. Disconnect the cable from the chain (20) by removing cotter pin, nut, clevis pin and bushing
(21).
5. Remove the flap handle bracket and trim control wheel cover.
6. Remove the aft heat deflectors on each forward floor tunnel by sliding far enough to release
the spring fasteners.
7. 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.