NVS 6
MANUAL
Page
19
6 PREPARATION FOR OPERATION
6.1 Preparation of Helmet for Mounting Night-Vision Goggles
6.1.1 Replacement of Visor Guard/Mount Assembly
6.1.1.1 Remove the standard mount assembly of visor guard (17)
(Ref. Fig. 5.1). To do this, remove four screws (16) attaching the casing to
the helmet using the screwdriver found in the set of spare parts.
6.1.1.2 To disconnect the visor guard from the standard casing:
(a) Remove screw (20) with the screwdriver by turning it clockwise.
(b) Remove cross-shaped knob (19) by hand.
(c) Remove retainer (1) (Ref. Fig. 6.1) together with the visor guard
from the standard casing slot.
(d) Remove the visor guard from the retainer by first turning
retainer tail end (2) along the visor guard slot.
6.1.1.3 Take clamp (9) shown in Fig. 3.1 from the set of spare parts.
6.1.1.4 Remove screw (3) with the screwdriver as shown in Fig. 6.2
and remove bushing (4) from the clamp hole.
6.1.1.5 insert the visor guard into clamp slot (5) accurately without
turning askew and applying much force, and fasten it using a bushing and
a screw.
6.1.1.6 Take casing (8) out of the set of spare parts. Connect the
clamp, together with the visor guard secured in it, to the casing. To do
this, insert retainer tail end (2) along recess (6) of the clamp (left-hand or
right-hand at the option of the pilot) and turn it crosswise the recess as
shown in Fig. 6.2.
6.1.1.7
Pass the retainer threaded portion through the
respective (left-hand or right-hand) slot of casing (8)
and proceed as in Steps 6.1.1.2 (b), 6.1.1.2 (a) and
6.1.1.1 observing the mentioned order.
Содержание NVS 6
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