Expel
Remove the handpiece the nozzle and insert a bur. loosly cover head with white towel. Run the handpeice to expel out debris and excess lubricant for 5 to 10 seconds. This should be done at the control unit in the operatory or at the purging station in the sterilization room.Repeat process until fluid come out clear.
Note: For automatice purging station, you can skip step #2 and #3. Please follow manufacturer's recommended maintainance instractions.