R-Tech PLASMA P31C Operation Instructions Manual page 8

Inverter plasma cutter
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8
Connections for Plasma 31C
Air pressure connection / setting
1. Air pressure regulating knob
This regulates the air pressure as displayed in gauge on front of machine.
To adjust pressure, pull knob upwards and turn to adjust pressure, once correct pressure is
obtained press down knob to secure - Set air pressure to70psi when air is flowing through
torch.
2. Air inlet connector
Connect hose from air compressor onto standard male PCL fitting – Fitting can be changed
if required to suit.
Note: If regulator fills with water, unscrew thumbscrew underneath to slowly drain of water,
screw back tight once drained.

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