background image

ANVIS ATTACHMENT

Before an ANVIS NVG is installed on the SPH-4B helmet, the ANVIS mount must 
be modified, and a cable clip must be attached to the helmet. The ANVIS
attachment kit contains installation instructions, four screws for the rear of the
mount, a cable clip with an attaching screw, pile fastener for attachment of the
ANVIS battery pack to the helmet, and moleskin lens guards for visor protection. 
Perform the modification as follows:

1. Remove the outer visor lock from the dual visor assembly by removing the

center screw, lock, and washer. Set aside for reinstallation.

2. Remove the top two screws from the dual visor assembly, lift the housing

from the tracks, and reinstall the screws beneath the housing and into the
tracks. Repeat the procedure for the bottom visor assembly screws, and
remove the housing from the helmet. This will ensure that the visor assembly 
remains intact during the ANVIS mount installation.

3. Remove and discard the four screws from the rear of the ANVIS mount.

Place the mount on the ANVIS mounting platform at the center of the dual
visor housing, and align mount the holes with the four holes in the platform.
Secure mount to housing by inserting four 3/16" pan-head screws (supplied)
through the inside of the housing and into mount.  Fasten the screws
securely, but do not tighten them too much.

4. Attach moleskin lens guards to the inside of the visor housing around the

ANVIS mounting platform as shown in Figure 8.

5. Reattach the visor housing to 

the helmet using the four
screws removed in from the
housing in Step 2.

6. Position the cable clip on

right side (as worn) of the
visor housing, and secure
using the 5/16" screw
supplied. Insert the screw
through the clip and into the
insert on the bottom of
right-side of the upper visor
track. Feed the cable through 
the clip, and tighten the
screw securely, but do not
tighten it too much.

7. Install the outer visor lock 

by reinstalling the screw,
lock, and washer removed 
in Step 1.

8. Attach the pressure-sensitive 

pile fastener to the center
rear of the helmet as shown
in Figure 8.

9

MOLESKIN
(ON INSIDE)

DUAL
VISOR
HOUSING

CABLE
CLIP

ANVIS
MOUNTING
PLATFORM

OUTER
VISOR LOCK

Figure 8. Dual Visor Assembly

PILE FASTENERS

Содержание SPH-4B

Страница 1: ...SPH 4B HELMET ASSEMBLY 2003 GENTEX Corporation...

Страница 2: ......

Страница 3: ...a helmet shell an energy absorbing liner a preformed thermoplastic liner TPL lightweight contoured earcups a lightweight dual visor assembly a yoke retention assembly and a communications system This...

Страница 4: ...ed to absorb and reduce impact forces to the head It is attached to the inside surface of the helmet shell with hook and pile fastener The TPL consists of molded layers of plastic and a removable wash...

Страница 5: ...h during use thus providing a higher level of protection The chinstrap employs a double D ring design for ease of tightening and loosening The retention assembly has an adjustable rear nape strap syst...

Страница 6: ...e also available for example laser protective high contrast gradient and amber visors Communications System Figure 7 The communications system consists of a boom mounted adjustable microphone a microp...

Страница 7: ...cross straps are located behind each earcup each cross strap has a loop To tighten the cross strap insert a finger into the loop and move the loop toward the bottom of the shell Don the helmet and ch...

Страница 8: ...t the TPL as a unit 2 Place the TPL in the preheated oven fabric side on the rack Place the on rack in the center of the oven for even heating CAUTION ENSURE THAT NO UPPER BURNER ELEMENT ACTIVATES DUR...

Страница 9: ...s in the TPL toward the front of the helmet 8 Align the TPL front edge with the energy absorbing liner Ensure that the TPL is symmetrically located from side to side in the center of the helmet 9 Posi...

Страница 10: ...center line over nose The visor can be lowered to check nose clearance 13 Release pressure on top of the head at end of five minutes Remove the helmet Remove the tape from the hook fasteners covered...

Страница 11: ...ce the mount on the ANVIS mounting platform at the center of the dual visor housing and align mount the holes with the four holes in the platform Secure mount to housing by inserting four 3 16 pan hea...

Страница 12: ...ts shown in Figure 9 and listed on Page 11 also may be ordered separately For further information contact GENTEX Corporation Carbondale PA 18407 phone 570 282 3550 fax 570 282 8555 or visit our web si...

Страница 13: ...Dual Visor Assembly 1 90C7930 12 10 Outer Visor Clear 1 90D7932 2 11 Inner Visor Neutral 1 90D7933 3 12 Retention Assembly O G 1 89D7639 3 13 Cross Strap 4 67B1732 14 Adapter 4 69A2118 15 Chafing Pad...

Страница 14: ...NOTES...

Страница 15: ......

Страница 16: ...TP0017 REV C JUNE 2003 www gentexcorp com...

Отзывы: