1.Place the machine in a plain place, connect it with water supply. (If grinding without water, there is no need to connect water supply, only connect the dust-collector pipe with dust-collector).
2.Power on, and check whether there is some abnormal noise when working without load.
3.It can work at three different angles; you can adjust it by adjusting screw (7).
4.How to change the disc. Power off, open the front cover (11), and disassemble the disc (1) (if not convenient enough, you can also dissemble the water spray tube (13) you can change the disc easily in this way.)
5.When duty off, clear up the dust in time.
Voltage: 220V,50Hz /110V,60Hz
1 year warranty