Installation Of Wing Flap Controls - Piper ARROW III Service Manual

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 (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.
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 (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.
6. Disconnect the flap return spring (32) at the spar or return chain (30), 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 31) by removing the block attaching 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 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 front seats and rear seat floor panel have not been removed, remove the seats and floor
panel.
2. Disconnect the flap tension spring (22) from the cable, 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 cover.
6. 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.
7. Remove the cotter pin cable guard from the flap cable pulley (24) located inside the floor tunnel
just ahead of the spar housing.
8. Remove the cable rub blocks located in the floor opening on the aft side of the spar housing by
removing the attaching screws.
9. Disconnect the cable turnbuckle (25) at the flap handle by removing cotter pin, nut, washer,
bushing* and bolt (26). Check clevis bolt (26) for wear. Replace bolt if any wear is evident.
*(See latest revision of Piper Service Bulletin 965.)
c. Remove the flap handle (29) and bracket (28) by disconnecting the cable turnbuckle from the handle
and removing the bolts securing the bracket to the floor tunnel.
5-36. INSTALLATION OF WING FLAP CONTROLS. (Refer to Figure 5-15.)
a. The flap torque tube assembly may be installed by the following procedure:
1. Install the chain sprocket (17) with chain (20 and 30) on the torque tube (14) and secure with bolts,
washers and nuts (18).
2. Slide the tube stop fittings (13) on their respective ends of the torque tube.
3. Ascertain that one bearing block fitting (7) is installed between its attachment brackets (6).
4. Slide the other bearing block over its respective end of the torque tube.
5. Position the torque tube by placing the end with the bearing block on it between the mounting
bracket and sliding the other end into the previously attached bearing block.
6. Position the remaining bearing block and secure with bolts, washers and nuts (5).
Interim Revision: 2/21/95
CHEROKEE ARROW III SERVICE MANUAL
1G12
SURFACE CONTROLS