DG Flugzeugbau GmbH
Flight Manual LS 8-18 Normal
Procedures
4.2 Rigging and De-Rigging
continued
Installation of 15 m (49 ft) or 18 m (59 ft) Winglets
1.
Insert winglet until securing nut starts catching thread; when aileron pins at 18 m (59 ft) version
are not correctly aligned, installation is impossible.
2.
Turn nut in direction that it pulls winglet into position.
3.
Lock nut until tip is free from play: zero play is reached, when force increases considerably
during turning of nut with supplied key. Turn not further than next notch catching ratchet.
4.
Tape wing tip intersection.
De-Rigging
(1)
Reverse
assembly
sequence.
(2)
15m (49 ft) winglets may be stored in cockpit when using some padding.
(3)
Air brake system should be unlocked to avoid permanent pressure on flexible covers and
resulting possible deformations (overcenter in wing).
Warning: With wings positioned vertical in trailers with hinged cover, the air brakes may open
and be damaged when closing the lid.
Note:
To avoid damage due to water, after de-rigging the water drain plug at the root rib forward
edge should be removed and discharge openings on wing under side kept open for
ventilation (use valve opener)
4.3 Daily Inspection
The Daily Inspection according to the following diagram and related checklist must be performed each
day and is essential for flight safety.
1 Forward Fuselage
(a)
Forward static pressure ports for clogging
(b)
Function of nose hook
2 Landing Gear
(a)
Recommended tyre pressure
4” wheel: 3 to 3.5 bar <44 to 51 psi>
5” wheel: 3.5 bar <51 psi>
(b)
For 4” wheel only:
When using water ballast increase up to 4 bar <58 psi>
Step (b) does not apply when TN8020 has been executed.
(c)
Slip mark and tyre condition
(d)
C.G. hook manual and automatic operation working properly
(e)
Water drain orifices in front and behind landing gear box free from clogging
Edition: September 2011
EASA-appr. Revision – 3 (TN 8020)
Page 4-3