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Air pressure adjustment
CAUTION
• Double check the plasma cutter is connected right in good working
conditions as described in page 7. Make sure you follow the safety Warnings in pages 4
and 5.
• Turn ON the cutter switch (A) to see if the operation is normal. If so, the fan will start
and the power indicating light will be ON (B).
• Adjust the pressure using the manometer 344 kPa - 551 kPa (50 PSI - 80 PSI). Once
the working pressure is reached, validate the adjustment with the rotameter. If the inlet
pressure is lower, the arc when cutting will be intermittent and the cut quality will be
reduced. In the event, there is no air in the line, the low air level indicating light (C) will
be ON and the cutter will not generate the plasma arc to make the cut.
H
Note: If you need a quick validation of the air pressure at the work site, use the
included rotameter as indicated below:
• Place the torch face up as shown in figure (H).
• Press the torch trigger to activate the flow of air.
WARNING
When pressing the trigger, the torch pilot flame will ignite. Do not
approach any part of your body to the torch while the pilot flame is on. Keep the trigger
pressed for a few seconds until the pilot flame goes out, you will perceive that air is still
coming out of the torch.
• Press the rotameter firmly onto the torch nozzle.
The adjustment should be similar to that reached in the initial validation, otherwise
make the corresponding adjustment on your compressor and/or cutter knob.
• Release the trigger lock (E). The plasma cutter is ready to operate.
F
A
E
G
D
B
C
8
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