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Document No.: 304S/MM
Date of Issue:
08/14
3-8
H
P
H
Ltd.
3.9 Removal and Re-Installation of Releases
To remove the C.G. release, the hinge and adjusting cable (Port side) of the
backrest has to be removed. Then remove the seat tray and wheel-box cover.
The release is now visible, and the bolted joint between release and the black
link should be undone. After removal of the bolts from the release bracket,
which attaches the release to the fuselage and wheel-box, the release and the
attachment brackets can now be pulled up.
Now remove the two bolts which hold together the release and release
attachment brackets.
The re-installation is in opposite sequence, whereby attention should be paid
that the correct bolts and pins are used, and that the earth cable is attached.
To dismantle the aerotow release, the rudder foot control is removed by
removing the bolt at the rear end of the lower guide tube and pulling back the
foot control. Thereafter, the bolts of the diaphragm are removed. The diaphragm
which is sealed off with a sealant is then carefully pulled away with a hook.
If a trim ballast box is installed, the aerotow release is accessible by removing
only this one.
After the release cable is detached only the 4 attachment bolts have to be
removed and the release can be pulled back together with it's attachment
brackets.
Release and attachment brackets are joined with two bolts.
When re-installing the release pay attention to the correct assembly of the
pulley and attachment brackets. The recesses on the release for the rings
should correspond with the recesses on the release brackets. Also take note of
the different length bolts and the attachment of the earth cable.