ConnectingGasCylinders
Turn on the flow of gas by turning
the valve on the top of the gas cyl-
inder counterclockwise in the di-
rection of the arrows labeled
“Open”. To turn off the flow of gas
turn the valve the other way, in the
direction of the arrows indicating
“Close”.
It is very important that there are
no leaks between the gas cylinder
and the EPC connection on the
GC. Not only do leaks waste pre-
cious gas, but they can also lead
to safety hazards including fires
and explosions.
To check for leaks, turn off the GC
and pressurize the gas cylinder by
briefly opening up the valve. Close
the valve again and note the read-
ing on the tank pressure gauge.
Come back in a few hours or the
following day and look at the
gauge again. The reading should
be the same. If the reading is not
the same there may be a leak.
Tighten all the connections and
check the tubing in order to seal
up the system.
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