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During use
Operating procedures
1.
Frequently check the pressure on the surface unit gauge.
2.
Frequently check that the supply hose does not kink.
3.
Be ready to switch to the second air supply cylinder before the surface unit
pressure gauge reaches 55 bar.
4.
If necessary, plan for connection of further air supply cylinders.
Switching supply cylinder
1.
Open the cylinder that has full pressure.
2.
Check that the pressure is rising on the pressure gauge and that the
whistle stops sounding.
3.
Close the cylinder with low pressure and depressurize it through the
venting valve.
4.
Move the "OPEN" sign to the open cylinder.
5.
Replace the empty cylinder with a cylinder that has full pressure.
Extreme conditions
Diving in extreme conditions, such as diving in cold environments, requires
special training, planning and preparation.
Refer to the separate instruction with document number 34228, available on
the download section of interspiro.com, for more information.
Emergency procedures
Low air supply pressure, surface
•
In an emergency the surface supply can be used until the air supply
pressure has dropped to approximately 20 bar .
14
DP1
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