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
4.4 Adjustment of water ballast valves
with fin tank installed:
- Check cockpit operating handle for overcenter lock in open position
- check bowden cable clearance at fuselage to wing mechanisms for
nominal value of 3 mm (0.118 in)
(knurled nuts at drive inside baggage compartment must be turned
clockwise against stop).
- check vertical tail fin tank opening after filling in some water: nominal
value 5 to 7 mm (0.197 to 0.276 in) travel at end of operating handle (in
cockpit). If necessary, adjust at
- check clearance at by pressing fuselage to wing mechanisms until
touching wing valve stems for nominal value 3 mm (0.118 in). If
necessary, adjust at fuselage side, nominal value 3 mm (0.118 in).
- do not forget to counter lock nuts after adjusting
Sketch for LS4-b
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