2. Those who are unfamiliar with the grinder cannot use the grinder.
3. Before starting the grinder, carefully check whether there is any debris between the grinder and the protective cover, and then confirm that there is no problem, then start the grinder.
4. The grinder is not allowed to be used due to poor maintenance or swaying of the grinding wheel shaft and serious wear of the grinding wheel due to long-term use.
5. When changing the new grinding wheel, it must be carefully selected. It is not allowed to use the grinding wheel with crack or damage, or the grinding wheel with poor grinding wheel and grinding wheel hole.
6. After the grinder is started, it should be idle for two to three minutes, and it can be used when the grinder is running normally.
7. When grinding the workpiece, do not use excessive force and do not hit the grinding wheel.
8. On the same grinding wheel, it is forbidden to use both at the same time.
9. The grinding wheel is not allowed to touch the water. It should be kept dry frequently to prevent the balance from being lost after the wet water.
10. After the grinding wheel is thinned and ground, it should be replaced in time.
11. After the grinder is used up, the switch should be turned off immediately, and the grinder should not be idling.
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