ATTACH FITTINGS
WING TO FUSELAGE ATTACH FITTINGS
REMOVAL OF WING (figure 57-1)
—CAUTION—
To prevent damage or contamination of fuel, hydraulic and
miscellaneous lines, place a protective cover over line fittings and
ends.
1. Close fuel valve and drain fuel from wing to be removed. (Refer to Draining Fuel System, chapter 12.)
2. Drain brake lines and reservoir. (Refer to Draining Brake System, chapter 12.)
3. Remove access plate at wing butt rib and wing inspection panels. (Refer to Access Plates and Panels,
chapter 6.)
4. Remove front and back seats from airplane.
5. Expose spar box and remove side trim panel assembly that corresponds with wing being removed.
6. Place airplane on jacks. (Refer to Jacking, chapter 7.)
—NOTE—
To facilitate installation of control cables and fuel and hydraulic
lines, mark cable and line ends and attach a line where
applicable to cables before drawing them through fuselage or
wing.
7. Disconnect aileron balance and control cables at turnbuckles located within fuselage aft of spar.
8. If left wing is being removed, remove cotter pin from pulley bracket assembly to allow left aileron
balance cable end to pass between pulley and bracket.
9. Disconnect flap from torque tube by extending flap to its fullest degree, and removing bolt and
bushing from bearing at aft end of control rod.
10. Disconnect fuel line at fitting located forward of spar at wing butt line.
11. Remove clamps necessary to release electrical harness assembly. Disconnect leads from terminal strip
assembly by removing cover, appropriate nuts, and washers.
12. With appropriate trim panel removed, disconnect hydraulic brake line at fitting located within cockpit
at leading edge of wing.
13. If left wing is being removed, it is necessary to disconnect pitot tube at elbows located within cockpit
at wing butt line.
14. Arrange a suitable fuselage cradle and supports for both wings.
15. Remove wing jacks.
16. Remove front and rear spar nuts, washers, and bolts.
17. Remove eighteen main spar bolts.
18. Slowly remove wing being certain that all electrical leads, cables, and lines are disconnected.
57 - 41 - 00
Page - 57-05
Reissued: August 1, 1986
2G18
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
To Next Page
Loading...
