The use of flashlight and precautions
When drilling on the machined part, punch the hole with the sample. The small workpiece should be punched on the vise.6, in the air containing flammable, explosive, corrosive gas and very humid special environment, can not use electric drill operation
The operator should wear gloves or wear insulated shoes, stood on the insulating pad or dry wood, wooden bench. Operators are forbidden to wear line gloves.
To begin with, to connect the power supply do not hand drill, should be placed on an insulator and is connected with the power supply used shidianbi check casing is electrified, press the switch, let idle drill, check the rotation is normal, and electricity again.
1 use a suitable drill bit before use and fix the drill bit on the card head with a special key.2 the power cord and the outer shell ground wire shall be made of rubber flexible cord, and the case shall be reliably grounded.
