Gentex HGU-56/P, Operation And Maintenance Instructions

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20. Rotate the strikers back to
their previous positions.
Referring to
Figure 2-40 ,
install the remaining screws
and posts through the upper
striker holes and the newly
drilled holes to attach the
strikers, applying a drop of
white glue to the threads of
each screw. Tighten all four
screws.
21. Reattach the MFS, lower the
inner visor, and check for
proper alignment on the
helmet. If the MFS does not
align properly, loosen all four
screws (with the MFS still
attached), realign the MFS as
necessary, and re-tighten the
screws.
22. Clean the inside of the helmet
to remove all debris resulting
from drilling.
23. Adjust the microphone boom
as necessary so that it can be
placed behind the MFS as
shown in
Figure 2-41 . To do
this, loosen the knurled knob
on the boom swivel, move the
boom forward or back until it
can be placed inside the
recessed space of the MFS,
and tighten the knurled knob.
NOTES:
• Ensure that the MFS is fitted
to the wearer during the
helmet fit check. Refer to
Paragraph 2-4, beginning on
Page 27.
•
If the wearer uses night
vision goggles, the MFS may
require trimming. Refer to
Paragraph 2-5 (Page 35).
26
Figure 2-40. Striker Attachment
Figure 2-41. Boom Adjustment
Screw
Post
Post
Screw
Microphone
(inside MFS)