Gardner Denver Base Mounted Compressor L90W

Shut down the compressor and relieve the system of all pressure.

Disconnect, lockout, and tagout the power supply to the compressor package.

Shut off the compressor with the STOP button.

Wait for 5 minutes to allow the oil to settle.

Check the oil level using the transparent plastic tube on the pressure reservoir.

Is the oil level between the 'maximum oil level' and 'minimum oil level' marks?

Pull snap latch outward and remove housing base.

Detach air filter cartridge while slightly turning it.

Carefully insert new air filter cartridge in the housing.

Close air filter with housing base ensuring the snap latches click into position.

Ensure the compressor is not powered before starting maintenance.

For L90RS-L132RS models, disconnect the system from the mains and wait 10 minutes before touching electrical components.

Press the STOP button on the control panel and wait until the compressor stops and is depressurized.

Ensure the pressure gauge shows no more than 4.4 PSI.

Slowly open the screw plug with integrated air vent slots to relieve any residual pressure.

Set the on-site main switch to '0' (OFF) and secure it against being switched on.

Be cautious of hot surfaces when performing maintenance.

Ensure the compressor is not powered before starting work.

For L90RS-L132RS models, disconnect the system from the mains and wait 10 minutes before touching electrical components.

Press the STOP button on the control panel and wait until the compressor stops and is depressurized.

Check that the pressure gauge shows no more than 4.4 PSI.

Relieve the compressor unit by slowly opening the screw plug with integrated air vent slots.

Set the on-site main switch to '0' (OFF) and secure it against being switched on.

Be cautious of hot surfaces when performing checks and maintenance.

Inspection and Replacement Tasks

Shut down the compressor and relieve the system of all pressure

Disconnect, lockout, and tagout the power supply to the compressor package

Ensure all valves, caps, plugs, fittings, bolts, and filters are removed safely

Oil Filter Cartridge Replacement

Switch off the screw compressor unit and secure it against accidental restart

Wait for at least 5 minutes for the oil to settle

Unscrew the oil filter cartridge with a suitable tool

Dispose of the oil filter cartridge properly