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SPH-4B

HELMET ASSEMBLY

© 2003 GENTEX Corporation

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Summary of Contents for SPH-4B

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

Page 2: ......

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 14: ...NOTES...

Page 15: ......

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

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