ArcOne Clean Air Flow - Manual (Page 16)

Failure to properly connect the Breathing Tube to the Helmet
Assembly and to confi rm airfl ow through the system to the
Breathing Zone could lead to contaminant exposure resulting
in serious bodily injury or loss of life.
3. Secure the blower unit with waist belt to your body (fi g. 13)
4. Ensure airfl ow into the headtop
5. Don the headtop
6. Adjust the headgear using the front to back adjustment knob (fi g. 14)
7. Check the height of the headtop and if necessary remove the headtop and
adjust crown height. (see section 2.4)
8. Fit check the faceseal and adjust tightness (if applicable). The faceseal can be
worn in front of or behind the ears.
Front To Rear
Adjustment Knob
#2
Excessive facial hair may cause an incomplete seal. When in doubt
remove excessive facial hair where it interferes with the seal between the
users face and the faceseal.
CAUTION:
Figure 13
Figure 14