Gardner Denver Base Mounted Compressor LRS132

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.

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.

Check for dirt accumulation on the following components

Lock water inflow and water outflow on the compressor.

Provide a suitable container to catch any cooling agents draining from the system.

Carefully loosen the cover of the dirt interceptor.

Catch any cooling agent draining from the system.

Remove cover and pull filter insert from the housing.

Clean filter insert or replace with a new one.

Ensure the compressor is not powered before starting inspection.

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

Check the following operational aspects

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

Verify 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.

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?

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

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

Ensure no oil is spilled to avoid fire and slip hazards.

Remove oil residue and other deposits from the compressor coolers.

Inspect for leaks and address any spilled oil immediately.

Turn off the screw compressor unit and secure it against accidental restarts.