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2. Overcentre travel (angle)
To determine the overcentre travel use again the tool, see above.
Place the wing horizontal on stands, upside up.
Place the tool on the airbrake control hook up at the wing root rib. Unlock
the airbrake just so far that the airbrake does not unlock or lock again by
itself.
This is only possible over a very small range.
Measure the centre of this range at the position marked on the rod (300
mm, 11.8 in. behind axis of rotation) from the lower side of the wing. Then
lock the airbrakes and measure this value too.
The difference shall be 16 mm + 2 mm (0.63 + 0.08 in.). This corresponds
to an overcentre angle of 3° + 0.4°.
For adjustment file off the brass bush 10F26/2 at the stop or use a larger
brass bush if necessary (see sketch).
You may produce this part yourself or order such a bush from DG.
Please, indicate the necessary diameter with your order.
3. Overcentre locking moment
Check again see 1. .
4. Other wing
Follow instructions 1. - 3. for the other wing.
Issued: October 2010
Copyright DG Flugzeugbau GmbH - any copy or publishing prohibited
Manual valid with the up-to-date cover page only
Maintenance Manual DG-1000M
10F26/2
file off here
min. 1 mm
(0.04 in.)
4.5
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