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Model H3370/H3371Air Compressors-10-
The pressure regulator has been factory
set for the highest quality operating perfor-
mance.
The pressure regulator sets the turn off
PSI setting for the air compressor tank.
Tank Pressure
Regulator
Figure 9. Pressure Regulator
To adjust the pressure regulator:
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 ON/OFF switch
cover by removing the screw which is
in the recess on the top of the cover.
Pull the black cover up and set it
aside.
5. Turn the pressure adjustment screw
(Figure 9) a half turn clockwise to
increase the tank pressure and a half
turn counter-clockwise to decrease
the pressure.
6. Connect the compressor to the power
supply and start compressor.
7. If the PSI level still needs adjustment,
repeat steps 1 through 6.
8. Replace the cover when the proper
adjustments have been made.
NOTICE
The Model H3370/H3371 Air
Compressors have been factory set
to kick off at the proper PSI range.
Only attempt to adjust the pressure
regulator if your air compressor
does not reach or pressurizes
beyond the proper PSI level.