Gardner Denver Compressor L200RS

Open the enclosure, create access

Press start button < I > to allow the compressor to run under load

Rotate the valve cap counter-clockwise until a clear blow-off is heard

Turn the valve cap clockwise up to the stop. The valve must shut fully again

Wear suitable protective clothing

Do not unscrew the knurled cap too far out of the housing

Ensure the screw compressor is out of operation, depressurized, and secured from being switched on again

Confirm that the air filter is not removed while the compressor is operating

Check the condition of the air filter through visual inspection

Inspect the intake filter monitor for red service field indication

Switch off the main disconnect switch

Open the enclosure to create access

Inspect and clean Scavenge Line, replace check valve if necessary

Clean Scavenge Line if necessary

Replace check valve if necessary

Inspect and service Inlet Valve if necessary

Service Inlet Valve if necessary

Ensure the screw compressor is out of operation, depressurized, and secured from being switched on again

Confirm the air filter is not removed during operation

Switch OFF the main disconnect switch and secure it against switching on again

Open the enclosure to create access

Check filter elements for condition

Replace filter elements if heavily soiled

Check the intake filter monitor for red service field visibility

Ensure all safety equipment is worn (hearing and eye protection)

Verify the area is clear of unauthorized personnel

Testing the Pressure Relief Valve

Select the method for testing the valve

Is the pressure relief valve functioning correctly?

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

Close the doors of the compressor if the valve is leaky