Newcon Optik NVS 6 operation manual Preparation for Operation

NVS 6

MANUAL

6 PREPARATION FOR OPERATION

6.1 Preparation of Helmet for Mounting Night-Vision Goggles

6.1.1 Replacement of Visor Guard/Mount Assembly

6.1.1.1Remove 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.

6.1.1.2To 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.

6.1.1.3Take clamp (9) shown in Fig. 3.1 from the set of spare parts.

6.1.1.4Remove screw (3) with the screwdriver as shown in Fig. 6.2 and remove bushing (4) from the clamp hole.

6.1.1.5insert the visor guard into clamp slot (5) accurately without turning askew and applying much force, and fasten it using a bushing and a screw.

6.1.1.6Take 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.

6.1.1.7Pass 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.

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