Maintenance Manual LS8
Issued: December 2009
Copyright DG Flugzeugbau GmbH - any copy or publishing prohibited
Manual valid with the up-to-date cover page only
3-2
6. Check anti-friction tape at elevator leading edge under plastic strip seals:
(a) Damaged anti-friction will yield damage to gelcoat at control surface
very quickly.
(b) for installation of seals see section 4.2.
7. Check air brakes:
(a) friction damper at outer side of air brake box for proper operation of
damper rods and friction pads free from grease.
(b) Check bearings of air brake levers for corrosion and possible
jamming/blocking under load:
- pull simultaneously with about 25 kg <55 lbs> force at upper end of
each lever in flight direction and retract the airbrake(do not
counterhold at cockpit lever!).
- if needed, repair bearing according to separately available repair
instruction.
8. Check landing gear for:
(a) overcenter of folding strut: (1) adjustable overcenter should be 5 mm
<0.2 in>, gear without load.
(2) value increases with load.
(b) preset load at folding strut overcenter.
(c) rubber torsion elements for
deformation and separation of rubber
from metal.
(d) when adjustments are being made,
check for:
(1) identical overcenter at both
folding struts.
(2) locking of adjustment bolts.
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