18
NOVA 3
®
The covers can be removed from the padding
and washed in a conventional washing
machine or with light detergent and water, lay
at to dry.
The side padding is mounted on a hinge and
can be removed by pulling away from the
helmet.
INSPECTION, MAINTENANCE, AND CLEANING
Helmet and Lining
FIGURE 4.1 FIGURE 4.2
Lenses and Lens Gaskets
Check Inner Lens Gasket (NV3-721) and the Inner Lens Frame (NV3-723) for splits, cracks or
wear and tear. Replace any damaged or worn parts immediately with RPB
®
genuine parts. The
Inner Gasket and Inner Lens fame can be cleaned with warm water and a mild detergent, rinsed
and air dried.
Breathing Tube Assembly
Inspect the Breathing Tube NV2021B for splits or excessive wear. Check that the ttings are
secured into the tube and are not allowing any air to escape. Replace the tube as soon as signs of
damage or excessive wear become evident. Do not remove the foam that is inside the Breathing
Tube as it reduces the noise level of the incoming air. The outside Breathing Tube can be cleaned
with warm water and a mild detergent, rinsed and air dried. Do not run water through the
Breathing Tube.
Breathing Air Line
The air supply hose should be inspected for cuts, cracks, blisters and signs of abrasion. Make
sure the ttings are rmly crimped to the hose and air cannot escape. Make sure the hose has not
been crushed or kinked. Replace the hose immediately if there are any signs of damage. Do not
run water through the inside of the hose. Clean the Quick Disconnect Couplings with an air blow
down gun to remove any media or dirt that may jam the coupler.
RESPIRATOR SETUP AND CARE CONTINUED
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