Gardner Denver Base Mounted Compressor L110

Disconnect, lockout and tagout the unit from the power supply

Confirm main disconnect is open and power supply to starter is locked out and tagged out

Remove the relief plug and free hole of hardened grease

Add grease with a hand-operated grease gun

Ensure the screw compressor is out of operation

Secure the unit from being switched on again

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 snap latches click into position

Shut down the compressor and relieve the system of all pressure

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

Ensure no air/oil under pressure remains in the system

Switch off the compressor and ensure it is depressurized by opening the ball valve at the after-cooler

Close the ball valve after depressurization

Detach the plastic oil extraction pipe

Detach the plastic control air line

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?

Use appropriate safety equipment, including hearing and eye protection.

Ensure all safety precautions are followed when performing the PRV check.

Testing the Pressure Relief Valve

Test the valve using one of the following methods

Note any local legislation considerations during testing

Did the pressure relief valve close itself and is not leaky?

If the valve is defective, close the doors of the compressor and push the Stop Button.