Why is the speed of the electric torch slow?
Notice of operation of electric torch:1. Check the power cord before use. If you have, you must wrap up the insulating tape, do not be immersed in the use of water and random drag and tread, and can not touch the heat source and corrosive medium.2, the metal shell of the flashlight must be taken to protect the ground (zero) measures.3. Before use, make sure the torch switch is in turn off, and when the plug is plugged into the power socket, the hand drill suddenly turns.4, electric drill before use should be idle 0.5 ~ 1min, check the drive part is flexible, whether or not abnormal noise, screw, whether loose, the commutator spark is normal.5, drilling, both hands firmly grasp the electric drill, as far as possible not a single hand operation, should grasp the correct operation posture.6, can not use the chipped drill, drill down pressure not too big, to prevent the drill bit interruption.7, cleaning knife head, scrap, change knife first, these actions must be disconnected from the power supply.8, the small workpiece must be clamped with a fixture, and then use a flashlight drill.9, the operation of drilling can not be too large, in case the drill or wire attack, flying wounding.
Electric drill is to AC or DC power battery for drilling tool, is a hand-held electric tool, electric drill, electric tool industry's biggest selling products, widely used in construction, decoration, furniture industry, opening for objects or objects in the past, also known as hammer in some industries.
Most of the reasons are motor winding short circuit or mechanical failure (including belt slip and mechanical wear). For safety reasons, it is recommended that professionals should be examined and repaired.
