Hollis Explorer User Manual - page 4
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GENERAL SAFETY
STATEMENTS + WARNINGS
WARNING:
GENERAL SAFETY
No person should breathe from, or attempt to operate in any way, a Hollis Explorer rebreather, or any
component part thereof, without first completing an appropriate Hollis Certified user-training course.
Further, no Explorer diver should use a Hollis Explorer without direct Hollis instructor supervision until
they have mastered the proper set-up and operation of the Hollis Explorer rebreather. This includes
new Explorer divers as well as Explorer certified divers who have been away from diving for an extend-
ed period of time and would benefit from an instructor-led refresher course to regain skills and mastery
of the Hollis Explorer. Failure to do so can lead to serious injury or death.
WARNING:
NITROX STATEMENT
The EXPLORER equipment is classified as being suitable for use with nitrogen-oxygen (Nitrox) breath-
ing gas mixtures containing up to 40% oxygen by volume without the need for special preparation,
cleaning , or component parts.
If Explorer equipment is subsequently used with equipment, or connected to an air supply system, that
is not rated for Oxygen Service, it can subsequently be used with Nitrox (up to 40% O2) as long as the
equipment is maintained in accordance with the procedures and parts specified in the Hollis EXPLOR-
ER Product Service Guide.
The EXPLORER was designed for use with Nitrox (up to 40% O2).
DO NOT use gas mixtures with a
higher fraction of oxygen greater than 40% with your EXPLORER.
WARNING:
CAUSTIC MATERIAL
The CO
2
absorbent used in the scrubber is caustic alkaline material. Take steps to protect yourself from
direct lung and skin contact. Furthermore, poor management of the breathing loop could lead to water
contact with the CO
2
absorbent, causing a “caustic cocktail” (very caustic liquid). This could lead to se-
vere chemical burns and if inhaled - possible drowning. Proper handling procedures, pre-dive checks,
dive techniques, and maintenance mitigates this risk.
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