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
6 Special tools:
for assembly / disassembly of the
horizontal tailplane
Filling tube and funnel with wire
meshing
for filling of water ballast system
through discharge openings
Vertical tail tank adapter
(if fin tank is existent)
for testing of vertical tail fin valve, to
avoid take-offs with unintentionally
filled vertical tail tank, as well as for
filling of tail tank together with filling
funnel including wire meshing
Water ballast dump valve Version 1 (see sketch in section 1.7.1)
Valve opener 4F5-111 item 1
for removal and installation of the
waterbag and dump valve body from
the elbow in the wing
Mounting tool 4F5-111 item 2
Water ballast dump valve Version 2 (see sketch in section 1.7.1)
for removal and installation of the
water valve from the wing dump outlet