4
3. Start-up
See Instructions for Use of the blower device to be used and of the filters. Only use Pro2000 filters.
o Check intactness of helmet and breathing hose.
o Check intactness of visor+face seal.
• Fix the breathing hose of the helmet tightly to the blower device.
• Screw the filters tightly to the blower device.
• Don the blower unit according to its instructions.
• Switch on the blower device, then check adequate air flow (see Instructions for Use of the blower
unit).
• Loosen the headband using the ratchet knob (handwheel), and don the helmet.
• Slip the face seal under the chin.
• Tighten the ratchet knob so that the head harness fits comfortably over the forehead. It may be
necessary to adjust the crown strap to position the visor to the correct height.
• Pull te facepiece back so that it fits comfortably and securely under the chin and around the
cheeks. The face seal shall fit above the ears and under the head harness.
• The breathing hose trails freely down the back and is not kinked or looped.
4. Maintenance and storage
• Store in a cool and dry place (-10 °C...+30 °C, max. 75 % RH), protected from sunlight and any
impurities.
• Clean with a damp cloth or sponge (be careful not to scratch the visor). Use lukewarm water and
mild detergent (neutral, pH 6-8) (e.g. washing-up liquid). Allow to dry. Do not use solvents (e.g.
acetone, turpentine) or bleaching agents (perborate, percarbonate). Never clean with compressed
air or compressed water.
• Check intactness of visor, helmet and hose, and replace damaged items.
• Recommend replacement after 2 years if in every day use, particularly when used outdoors.
Service life of 5 years when properly stored.
• Only use original spare parts.
Replacing the breathing hose
• Unscrew the old hose from the airduct and screw in the new one.
Replacing the visor
• Release the elastic loops from the head harness. Tilt the visor fully up until the visor is released
from pivot arm. Pull the exhalation valve from the face seal and fit it to the new visor’s face seal.
• Check that the face seal is fully located arount the valve body. Locate the visor in the pivot arms
in a tilted-up attitude, then tilt down to clip into place.