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Model G0464/G0465/G0467/G0468/G0470 Air Compressors
-21-
The pressure switch has been factory set
for the highest PSI that is safe for this
compressor.
The pressure switch ensures the pump
will shut OFF when the air compressor
tank reaches maximum PSI.
Pressure Switch
Figure 16. Pressure adjustment screws.
5. Turn the black plastic pressure adjust-
ment screw (Figure 16) a half turn
clockwise to increase the tank pressure
and a half turn counterclockwise to
decrease the pressure.
NOTICE
This air compressor has been factory
set to turn ON and OFF at the proper
PSI range. Only attempt to adjust the
pressure regulator if your air com-
pressor does not reach, or pressur-
izes beyond the proper PSI level.
To adjust the pressure switch:
1. Unplug the air compressor from the
power supply.
2. Make sure the compressor switch is in
the OFF position.
3. Drain the pressure from the tank.
4. Remove the black AUTO/OFF switch
cover (Figure 15) by removing the
screw in the recess of the cover. Pull
the black cover up and set it aside.
Figure 15. Pressure switch cover.
6. Adjust the metal pressure adjustment
screw to change how low the pressure
can drop before the motor turns ON.
7. Connect the compressor to the power
supply and start the compressor. If
the compressor does not automati-
cally turn OFF at 120 PSI, flip the ON/
OFF switch to OFF before the pres-
sure reaches 125 PSI.
8. If the PSI level still needs adjustment,
repeat Steps 1–7.
9. Replace the cover when the proper
adjustments have been completed.