Maintenance Manual LS8
Issued: June 2016 TN 8024
Copyright DG Flugzeugbau GmbH - any copy or publishing prohibited
Manual valid with the up-to-date cover page only
3-1
3 Inspections
3.1 Ordinary inspections
Daily Inspection
and Pre-flight Check see Flight Manual section 4.3.
Post-flight Check see Flight Manual section 4.6.
Annual Inspection
1. Check wing shell, especially in the spar region
, for:
(a) Cracks, scratches, pressure marks ( Shell and spar caps are made
from carbon fibre material. This is sensitive to impact and compression,
damage is difficult to detect.)
(1) If damage is suspected, tap the suspected surface with a pencil
to find any delamination.
(b) Only LS8-a, LS8-b, LS8-18: If moisture is suspected in the structure
near the integral tanks (recognisable for instance by an irregular, mirror
surface finish).
(1) Inspect structure through water discharge openings using an
endoscope and store units in dry environment according to
instructions given in Flight Manual section 8.5. Irregularities should
slowly disappear.
> If necessary, contact DG Flugzeugbau!
2. The aileron sandwich is pressure sensitive.
If pressure marks are present, then the sailplane may be no longer
airworthy. Because of possible resultant structural problems and flutter
hazard, contact DG Flugzeugbau for damage classification and repair!
3. Fuselage automatic aileron connectors are equipped with deflectors to
avoid incorrect rigging:
Check if rigging of the second wing is impossible with intentionally
incorrect aileron deflection, namely in neutral position or deflected
upward ?
4. Lubricate various parts according to lubrication schedule, see section 3.4.
5. Protect gelcoat with car polish
(the wax film protects the gelcoat against embrittlement and cracking due
to ultra violet light)
(a) See also Flight Manual section 8.5, Cleaning and Care.
(b) If you use a polishing machine, be careful not to damage:
(1) registration signs
(2) anti-collision colour markings
(3) gap seals
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