Gentex HGU-56/P, Инструкция по эксплуатации и обслуживанию

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3-3.8. Dual Visor Assembly
Tools and Materials Required
• Jeweler’s screwdriver set
•
Screwdriver, cross-tip
• Dual visor assembly (plain, 95B9301-3; ANVIS quick disconnect, 95B9246; or ANVIS
direct-mount, 88D7611-1)
Removal
NOTE: Screws, retaining rings, tracks, and bushings are shown on one side only in Figure
3-24 . A similar configuration exists for the other side.
1. Referring to Figure 3-24 ,
loosen the four
thumbscrews that attach
the visor assembly to the
helmet. Holding the tracks
and the housing together,
lift the visor assembly from
the helmet.
2. Remove the thumbscrews
from the visor assembly.
3. Remove the housing from
the tracks.
4. Disassemble the visors and
the tracks by removing the
retaining rings and the
bushings. Repeat for the
other side.
NOTE: A nut plate on the
underside of the helmet shell
holds the posts in place. If the
post threads are stripped,
remove energy-absorbing liner
as directed in Paragraph 3-3.2
(Page 49), replace the nut
plate, and reinstall the
energy-absorbing liner.
5. Inspect the components in
accordance with Table 3-1,
and replace as necessary.
(Continued on next page)
60
Figure 3-24. Dual Visor Assembly (Exploded View)
Downstop
locking screw
Thumb-
screws
Nut plate
Outer
visor
Upper
track
Bushings
Middle
track
Lower
track
Housing
Inner
visor
Helmet shell
Retaining
rings