Stabilator Trim Controls; Removal Of Stabilator Trim Assembly (Forward) - Piper Lance II Service Manual

LANCE II SERVICE MANUAL
5-16. STABILATOR TRIM CONTROLS.
5-17. REMOVAL OF STABILATOR TRIM ASSEMBLY (FORWARD). (Refer to Figure
5-9.)
a. To remove the trim control wheel assembly and/or the trim control cables, first
remove the panel to the aft section of the airplane.
b. If the aft trim cable (12) is not to be removed, block the cables at the pulleys (35) in
the upper aft section of the fuselage to prevent them from unwrapping from the trim drum.
(Refer to Figure 5-8.)
c. Loosen the cables if the trim control wheel (1) is to be removed or disconnect if the
cables are to be removed. Do this at the trim cable turnbuckles (10 and 11) in the aft
section of the fuselage.
d. The control wheel (1) with drum (3) may be removed by the following procedure:
1. Remove the control wheel cover by removing the cover attaching screws.
2. The wheel assembly may be removed from its mounting brackets (4) by
removing nut, washer and bolt (7) that secures the wheel between the brackets. Draw the
wheel from the brackets. Use caution not to damage trim indicator wire (2).
3. Unwrap the left cable (9) from the drum.
4. The wheel and drum are joined by a push fit, separate these two items with their
center bushing and unwrap the right cable (8).
5. Tie the cables forward to prevent them from slipping back into the floor tunnel.
e. The trim control cables (8 and 9) may be removed by the following procedure:
1. Remove the center seats, and the pilot and rear seats if desired.
2. Remove the seat belts attached to the forward floor tunnel by removing
attachment nuts, washers and bolts.
3. Remove the heater deflectors from each side of the aft end of the forward floor
tunnel by sliding the deflector sideways and releasing the retainer spring.
4. Unfasten the carpet from the aft portion of the forward floor tunnel and lay it
forward.
5. Remove the tunnel cover located between the trim control wheel and the spar
cover by removing attachment screws.
6. Remove the cable pulleys (6) located in the forward tunnel by removing the
cotter pin, washer and clevis pin (5).
7. Remove the floor panel aft of the main spar by removing the panel attachment
screws and seat belt attachments. Lift the panel and remove from airplane.
8. Remove the cable rub blocks (39) located in the floor opening on the aft side of
the main spar by removing the block attachment screws.
9. Remove the trim plate located on top of the forward end of the aft floor tunnel.
10. Remove the carpet from the aft floor tunnel.
11. Remove the cover plate from the top of the aft floor tunnel by removing
attachment screws.
12. Remove the cable guard (38) from the underside of the trim cable pulleys (36)
located in the forward area of the aft floor tunnel by removing a tinnerman nut and
withdrawing the cable guard.
13. Remove the cable guard plate (33) from the underside of the pulley cluster (34)
located in the aft area of the floor tunnel by removing the plate attachment screws.
14. Remove the cable guard from the cable pulleys (13) in the aft lower section of
the fuselage forward of the cable turnbuckles (10 and 11 ).
15. With the cables disconnected from the trim control wheel, draw the cable(s)
through the floor tunnel.
Issued: 1/3/78
SURFACE CONTROLS
1G9