Forward F455, Manual

Page: 20 / 83

8. Move the lever (22) from its initial OPEN position to the CLOSE position.
9. Ensure that the adapter fits snugly against the lens.
10. If there is any gap, do the following:
Loosen the locking screw(20) with an Allen key (S=2mm).
Tighten the screw (21) with an Allen key (S=4mm) with the force
necessary to ensure that the adapter fits tightly against the lens. The
clamping forces should be 1 Nm.
Tighten the locking screw(20).
11. The effort can be tested with a torque screwdriver.
12. Insert the attachment firmly into the adapter so that the pins located in
the adapter case fit into the grooves (23) of the attachment. Turn the
attachment clockwise as far as it will go. The triangular mark on the
attachment and the square on the adapter body must be aligned.
13. To align the attachment, turn the handle (22) to the OPEN position and
align the attachment with the horizon.
Selection Table for Riflescope Inserts
Cover adapter
model
The internal diameter of the insert
needs to match the outer diameter of
the objective lens housing of the
daylight riflescope it is being installed
on.
Insert internal
diameter, mm
Suitable for lens
housing of
daylight
riflescopes with
an outer
diameter of, mm
Cover adapter FN
42mm
45.5 45.5
46 46