1.Befor operation,confirm the voltage of the power supply that it is the same as indicated on the same plate of the drill. In case the voltage of the jack could not be confirmed,never try to plug in for use!
2.Power switch:Confirm that the power switch is switched off. If it is not switched off., If it is not switched off, on connection of the power supply, the drill will rotates at once, to cause accident.
3.Extension of the cable: In case the working site is far from the power supply, extension cable with enough capacity and suitable sheathing and as short as possible could be used.
4.Working site should be tidy, accidents occur most easily at untidy and unclean working site and on work-table to use electric tools.
5.Do not let children approach the tool, a safety distance should be kept for on-looker and children.
6.When drill holes on wall, ceiling and floor, confirmation should be made whether there are any power cables layed under.
7.Protection glasses should be worn, a lot of dusts and crumbs would be made, so protection mask should be used. The ordinary glasses are not safety glass lenses.
8.Suitable clothing: Do not wear too loose clothes and gloves, the and finger rings etc, to work in order to avoid being entangled to have accident. Attention should also be paid to sliding down, so it is better to wear anti-sliding shoes. Hairs should be not too long.
9.Don't touch and hold high speed rotating chuck with hand because it is very sharp. And don't touch the chuck just used because its temperature is very high so as to avid empyrosis.
10.Don't use the electric tool at dark and wet places. It is prohibited to let tool outside doors being rain drenched.
11.Check always the parts if there is any damage. White reparing, power must be switched off, it change of the attachment chuch etc.
12.Do not hold directly the power cable to lift the electric drill. Power cable should be separated from heat sources,oil liquid and avoid touching sharp edges preventing the power cable for damage and breaking to avoid personal and equipmental accidents.
13.Once defection is found on the switch which can not make power on or off nomally, it must not be used again,replace of the switch should be done at once.