Wing Attachment; Wing Removal - Piper PA-44-180 SEMINOLE Maintenance Manual

ATTACH FITTINGS.

WING ATTACHMENT.

REMOVAL OF WING. (Refer to Figure 57-1.)
1. Close the fuel valve and drain the fuel from the wing to be removed. (Refer to Draining Fuel System,
Chapter 12.)
2. Drain the brake lines and reservoir. (Refer to Draining Brake System, Chapter 12.)
3. Remove the engine from the wing to be removed. (Refer to Removal of Engine, Chapter 71.)
4. Drain the hydraulic lines of the landing gear of the wing to be removed by separating the lines and elbows at
the actuating cylinder.
5. Remove the access plate at the wing butt rib and wing inspection panels.
6. Remove the front and back seats from the airplane.
7. Expose the spar box and remove the side trim cockpit panel assembly that corresponds with the wing being
removed.
8. Place the airplane on jacks. (Refer to Jacking, Chapter 7.)
To help facilitate reinstallation of control cables, power plant controls, and fuel and
hydraulic lines, mark cable and line ends in some identifying manner and attach a line
where applicable to cables before drawing them through the fuselage or wing.
9. Disconnect the aileron balance and control cables at the turnbuckles that are located within the fuselage aft
of the spar.
10. If the left wing is being removed, remove the cotter pin from the pulley bracket assembly to allow the left
aileron balance cable end to pass between the pulley and bracket.
11. Disconnect the flap from the torque tube by extending the flap to its fullest degree and removing the bolt
and bushing from the bearing at the aft end of the control rod.
TO PREVENT DAMAGE OR CONTA M I N ATION OF FUEL, HYDRAULIC
AND MISCELLANEOUS LINES, PLACE A PROTECTIVE COVER OVER
THE LINE FITTINGS AND ENDS.
12. Disconnect the fuel line at the fitting located inside of the wing by removing the access panel on the forward
inboard portion of the wheel well and reaching through to the fuel line coupling.
13. Remove the clamps that are necessary to release the electrical harness assembly. Disconnect the leads from
the terminal strip by removing the cover and appropriate nuts and washers.
14. With the appropriate trim panel removed, disconnect the hydraulic brake line at the fitting located within the
cockpit at the leading edge of the wing.
15. Disconnect the landing gear hydraulic lines at the fittings aft of the spar and within the fuselage.
16. If the left wing is being removed, it will be necessary to disconnect pitot and static tubes at the elbows
located within the cockpit at the wing butt line.
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
— Note —
— CAUTION —
3C13
5 7 - 4 1 - 0 1
Page 57-02
Revised: May 15, 1989