NOxBOX
i
®
& NOxMixer Operating Instructions
7
Cylinder replacement
Engage trolley brakes to
stabilise system prior to
changing cylinder.
Fully close cylinder valve.
Check regulator gauge
pressure is relieved and
remove regulator from
depleted cylinder.
Remove depleted cylinder
from trolley and replace with
new supply cylinder. Check the
concentration matches the value
displayed on-screen.
Check O rings and attach
regulator to new cylinder.
1
2
5
Perform a leak test: Slowly open
the cylinder valve then close.
Observe gauge for 30 seconds,
needle should remain
stationary.
Purge pressure from hose, then
reconnect the hose to inlet port
monitor. Open valve on cylinder
fully.
7
Detach hose from monitor and
depressurise on purge needle.
8
3
4
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