4 headtop – ArcOne Clean Air Flow User Manual
Page 13

2.4 Headtop
1. Install and Lock the Breathing Tube into the Airduct on the Headtop (fi g. 8)
2. (Welding Helmet headtops only) Adjust the headgear front to back and top to
bottom. NOTE: These adjust ments can be performed after donning. (fi g. 9)
3. Install the Auto-Darkening Filter, if not already installed (see Auto-Darkening
Welding fi lter manual)
4. Remove spatter label from outside polycarbonate.
#1
Adjustment Holes
Front To Rear
Adjustment Knob
Pivot Stop
Headgear Shown Without Airduct
#2
*
Figure 8
Figure 9