Chapter 57 Wings - Extra Aircraft

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EXTRA - FLUGZEUGBAU GmbHSERVICE MANUAL EXTRA 300#%!#)16-)+-24)+61+-5#%!#9EC6EF2=A4AL=1IJ==JERefer to Figure 1 of Chapter 33.9)41/0ECD8J=CA9=EJ#EKJAI=BJAHIDKJJECBB>ABHAIJ=HJEC=OMHJDAIJH>AECDJIOIJA1 Disconnect the battery and wait 5 minutes.2 Remove the DIN 933 M6x20 bolt, the metal sheetscrews, the AN 526 C 1032 R8 bolts and the washers.3 Tie out the wing tip panel with the lighting unit somecentimetres (Consider that the panel is sealed to the wingtip with silicone).4 Disconnect the electrical wiring and the ground bondinglead by loosening the central M4 nut of the lightingunit attachment.5 Remove the wing tip panel.6 Clean sealing surfaces mechanically and with Acetone.7 Install in reverse sequence of removal after applyingSilicone to the sealing surfaces.PAGE DATE: 31. January 1995CHAPTER 57PAGE 10
EXTRA - FLUGZEUGBAU GmbHSERVICE MANUAL EXTRA 300#%$)1-45The ailerons are constructed in the same manner as the wingbut with single chamber spar. They are supported at threepoints in spherical bearings pressed into aluminium brackets.Furthermore the ailerons are equipped with "glass fibrelaminate spades" to decrease pilots forces.The layer sequence of the ailerons is shown in Figure 4.All composite parts, as protection against moisture and UVradiation, are coated with an unsaturated polyester gelcoat,an acrylic filler and finally with an acrylic paint.For repair of composite parts refer to Chapter 51.PAGE DATE: 31. June January 19971995CHAPTER 57PAGE 11
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Chapter 57 Wings - Extra Aircraft

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