Atlas Copco Screw Air Compressor ZT200

Stop the compressor. Press the emergency stop button

Switch off the voltage and follow the LOTO procedure

Remove filler plug (FC). Drain the compressor sump by opening drain valve (Dmo). On ZR compressors, drain the oil cooler by opening drain valve (Dmc). On ZT compressors, fit a proper flexible over the extension of drain plugs (Dmc). Drain the oil system by loosening the drain plugs. Close the drain valves and tighten the drain plugs after draining

Remove the oil filters (OF). Clean the filter seats, oil the gaskets of the new filters and screw the filters into place until the gaskets contact the seats. Then tighten by hand

On ZR 110 up to ZR 275, fill the compressor sump to the middle of the oil level sight-glass (SG). On ZT 110 up to ZT 275, fill the compressor sump to the maximum mark of the oil level sight-glass

Switch on the voltage. Unlock the emergency stop button and reset the oil and oil filter service warnings

Run the compressor for a few minutes

Replace the demister sponge of the integrated dryer

Check the oil level. Refer to Before starting

Drain condensate from the air receiver, if installed

Check for leaks. Tighten leaking connections and replace damaged/leaking parts

Stop the compressor and press the emergency stop button

Switch off the voltage and follow the LOTO procedure

Take out filter housing with filter element

Replace the dirty filter element with a new one

Put the filter housing with the filter element back into place

Remove any dirt form the coolers with a fibre brush in the direction of the fins

Clean the coolers with an air jet in the reverse direction to normal flow (i.e. from the outside to the inside of the compressor). Use low pressure air. If required, the pressure may be increased up to 6 bar(e) (87 psig)

Is it required to clean the coolers with a cleaning agent?

If it is required to clean the coolers with a cleaning agent, consult your Atlas Copco Customer Center