DG Flugzeugbau LS4 - 4 Working instructions; 4.1 Removal and installation of control surfaces

Maintenance Manual LS4
Issued: May 2011
Copyright DG Flugzeugbau GmbH - any copy or publishing prohibited
Manual valid with the up-to-date cover page only
4-1
4 Working instructions
4.1 Removal and installation of control surfaces
Note: Instead of nuts LN9348 self-locking nuts DIN985-8 zn may be used.
4.1.1 Ailerons
Wing scheme with aileron bearings,
F= laterally fixed hinge
4.1.1.1 Removal of ailerons
- LS4 and LS4-a: Remove gap tape on upper surface.
- LS4-b, LS4 and LS4-a optionally: Remove Teflon tape of gap sealing on
upper surface.
- If existing: Detach internal lower side sealing tapes (Teflon Tape) from
aileron.
- Remove fillet on outside upper edge of aileron near bearing No. 5.
- If existing: Turn wing upside down: remove internal lower side sealing
tape completely.
- Disconnect drive rods (6mm thread, nut M6 LN9348), width over flats
10mm), remember sequence and position of washers, if applicable.
- Loosen nut (6mm thread, LN9348, width over flats 10 mm) from bearings
No. 2, remember sequence and position of washers.
- Deflect aileron upward and remove it from pins towards wingtip. Use two
people to avoid damage!
- Watch washers, if present, at inner side of hinge pin of laterally fixed
bearing.