Operating Your Air Compressor

1.Remove the dipstick and fill pump to the proper oil level. See Lubrication Section.

2.Open tank drain valves and turn regu- lator knob counterclockwise.

3.Turn pressure switch knob to OFF position and plug in power cord.

4.Follow this step only if using your compressor for the first time. Turn pressure switch knob to AUTO posi- tion and run unit for 30 minutes to “break in” the pump parts.

5.Close tank drain valves and turn regu- lator knob fully clockwise. Compressor will build to maximum preset pressure and shut off.

6.Turn regulator knob counterclockwise to cause air to bleed off. Do not pro- ceed to the next step until outlet pres- sure gauge reaches zero (0).

7.Attach hose. Add chuck or other tool to open end of hose. Turn regulator knob clockwise until desired outlet pressure is reached.

8.After use, turn pressure switch knob to the OFF position.

9.If compressor is not used for a long period of time, bleed air from line and use drain valve to drain water from the valves and tank. Afterwards, fol- low the proper schedule of mainte- nance.

NOTE: This unit is equipped with a pres- sure switch that automatically turns the motor OFF when the tank pressure reaches a preset level. After air pressure in the tank drops to a certain level, the pressure switch automatically turns the motor back on.

!WARNING:

Do not over-pressurize any air tool. Consult air tool instruc- tions for proper air tool pres- sure.

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RIDGID OL90150 manual Operating Your Air Compressor