Ops-Core ACH 360° Liner Kit and 4-Point Head-Loc ™ H-Nape Chinstrap. The Gentex Active Shooter Helmet Kit is meant to be stored in law enforcement patrol vehicles for immediate access in critical response situations.
SIZING GUIDE Determining Helmet Size Helmet sizes are Small, Medium, Large, and X-Large. To determine size, you must (1) measure and record the wearer’s head length, (2) measure and record the wearer’s head breadth, (3) measure and record the wearer’s head circumference, and (4) select the proper helmet size based on the sizing charts provided. TOOLS/EQUIPMENT NEEDED: Caliper, Ruler, and Tape measure MEASURE HEAD LENGTH...
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MEASURE HEAD CIRCUMFERENCE Use a tape measure to determine the maximum head circumference (to the nearest 1/16 inch) above the ears. Ensure that the caliper touches the skin lightly and does not indent the skin. Record the measurement. Tape measure SELECT HELMET SIZE Referring to the tables below (for inches or millimeters), select the helmet size based on head length, head breadth, and head...
LINER SETUP WARNING Ensure the helmet is properly adjusted for a snug, secure fit at all times when the helmet is worn. Failure to do so can result in an unstable helmet that will not protect the wearer. PLACE THE HELMET ON THE HEAD Leave the chin strap loose for now.
CHINSTRAP OPERATION WARNING Ensure the helmet is properly adjusted for a snug, secure fit at all times when the helmet is worn. Failure to do so can result in an unstable helmet that will not protect the wearer. LOOSEN HEAD-LOC SLIDERS Loosen all (4) Head-Loc Sliders by sliding them away from the chin cup.
FACE SHIELD OPERATION The Ops-Core Multi-Hit Handgun Face Shield features a new ARC mounting mechanism that allows for secure and stable attachment. When properly installed, the face shield transforms any helmet into the ultimate defense against multiple impacts from handgun threats. FORE/AFT POSITIONING Loosen both Thumb Knobs by rotating counterclockwise.
FACE SHIELD INSTALLATION PREPARE THE FACE SHIELD Rotate both Brake Locking Handles to the locked position and both Rail Mounting Handles to the open position. INSERT CONNECTOR SHOES Accessory Rail Connector (ARC) Shoe Align and insert both Accessory Rail Connector Shoes into the ARC Rails on your helmet until the T-Lock engages with the desired ARC Rail slot, using slot 2, 3, or 4 only.
ARC OPERATION The Ops-Core Accessory Rail Connectors (ARCs) transform ACH style helmets into a streamlined platform capable of integrating mission enhancing components and accessories such as visors, mandibles, lights, and cameras. Multiple non-snag attachment points provide quick, easy, and secure donning and doffing of accessories and clean routing of external wires and cables in a streamlined configuration to minimize user distraction.
MAINTENANCE PREVENTIVE MAINTENANCE CHECKS Perform preventive maintenance tasks for each component as described in the table below. Component Examine for: Helmet is not ready if: • Gouges, scrapes, cracks, delamination • Gouges, scrapes, cracks, Helmet Shell or other damage extending below delamination or other damage the paint extends below the paint...
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