Gentex HGU-55/P, Operation And Maintenance Instructions With Illustrated Parts Breakdown

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Chapter 4: Replacement Parts and Optional Items
High-speed visor modification kit
( Figure 4-13 )
• Kit: 05B11943-3
This kit is designed for enhanced windblast
performance. The kit includes a neutral visor
and a specially designed rubber edgeroll
cover that provides friction holding of the
visor during an ejection/windblast condition.
PRU-36/P dual visor assembly
( Figure 4-14 )
• MBU-12/P visors: 74D2682-4
• MBU-20/P visors: 74D2682-7
The side-actuated PRU-36/P dual visor
assembly contains both a clear visor and a
neutral gray visor. The inner clear and outer
neutral gray visors are raised and lowered
with actuating knobs at the sides.
Dual visor kit ( Figure 4-15 )
• MBU-12/P: 85B7050-1
• MBU-20/P: 85B7050-3
The dual visor kit includes a visor cover and
clear and neutral visors that snap to each
other and to the helmet.
Bump stops ( Figure 4-16 )
• Bump stops: 85C7028-1
• Screws: 75A3142-5
• Washers: 75A2910
These bump stops are taller than the
standard helmet bump stops and are
designed for use with the dual visor kit listed
above ( 85B7050-1 and 85B7050-3 ).
(Continued on next page)
Figure 4-13. High-Speed Visor Kit
Figure 4-14. PRU-36/P Dual Visor Assembly
Figure 4-15. Dual Visor Kit
Figure 4-16. Bump Stops and Hardware
Visor
Edgeroll cover
Actuating knob Actuating knob
Visor cover
Neutral visor
Clear visor
Bump stop
Washer
Screw