Gardner Denver Base Mounted Compressor LRS110A

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?

Warning! Danger when cleaning system parts with compressed air: Small parts propelled at high speed by compressed air can penetrate the skin or destroy an eye.

Do not aim the compressed air at people

Caution! Fire hazard from oil residues

Remove oil residue and other deposits from the compressor coolers exposed to hot air according to the user manual

Blow off the screw compressor with compressed air

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

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 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

Detach the plastic oil extraction pipe

Detach the plastic control air line

Fully remove oil extraction with pressed in extraction tube