ArcOne Clean Air Flow - Manual (Page 21)

The Blower and Battery Units are supplied as seal-tested
units. Any attempt to open or repair the unit will result in
the termination of the limited warranty contained in
Section 5.3
4.3 Blower Unit Replacement
Note: The blower unit, battery, and battery charger are not user serviceable.
Maintenance or replacement of parts should only be performed by ArcOne, who
has the necessary test equipment to ensure that all repairs are completed safely
and recertifi ed.
4.2 Filter
Removal & Installation: See section 2.2
4.4 Breathing Tube
Removal:
1. Turn the Breathing Tube connector counter clockwise and pull out of the
Blower.
2. Turn the Breathing Tube connector counter clockwise and pull out of the Head
top.
Installation: see Section 2.3 & 2.4
4.5 Faceseal
Faceseal Replacement: Viper
Removal:
1. Detach the Airduct from the Headgear.
2. Remove the Airduct from the Faceseal.
3. Remove the Faceseal from the Helmet by pulling the Velcro apart.