CAIRE HELiOS Marathon H850 Use Manual page 21

5. Pressing straight down—Place one or both
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WARNING
Do not open the vent valve during non-fill use.
Excessive discharge of liquid oxygen could create a
fire hazard and/or cause personal injury.
HELiOS Marathon
Using Your HELiOS Marathon H850 Portable Oxygen Unit
hands on top of the portable oxygen unit and
press straight down directly over the fill
connector, being careful not to depress the
release button on the reservoir when engaging.
See Holding the Vent Valve Lever, Figure 7. This
will lower the portable oxygen unit
approximately 3/8 inch (10 mm). Continue to
apply downward force to ensure the fill
connectors remain engaged.
Figure 7. Holding the Vent Valve Lever
Pressing continuously downward while holding,
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Step 5
Pulling down and holding the vent valve lever
2
open, Step 6
TM
H850 Portable Oxygen Unit Home Use Guide
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