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Model G0471 3 HP Air Compressor
-13-
6. Close the drain valve (Figure 8) to
allow the tank to build up pressure.
7. Check the tank pressure gauge (Figure
9) to see that the tank pressure climbs
to approximately 110-120 PSI (around
8 BAR) and turns OFF.
Note: If the compressor does not turn
OFF before reaching 120 PSI, flip
the AUTO/OFF switch to OFF before
the pressure reaches 125 PSI. See
Pressure Switch on Page 23 to adjust
the automatic shut-off.
Figure 8. Drain valve.
Figure 10. Tool air control knob.
The air tool that you attach to the air com
-
pressor should have a preferred PSI oper-
ating level. Set the pressure to be deliv-
ered according to the pressure required
by the tool.
To control the air supply to your tool:
1. Adjust the air control knob, shown in
Figure 10, to set the PSI that will be
delivered to your tool. Turn the knob
clockwise to increase the pressure or
counterclockwise to decrease the pres-
sure.
Line Pressure
Regulation
Air Control
Knob
Lock Ring
2. Rotate the lock ring shown in Figure
10 against the bottom of the air control
knob to prevent changes in the air pres-
sure.
Figure 9. G0471 Pressure gauges.
Line
Pressure
Tank
Pressure