Small Angle grinder is often used in our daily life of electric tools, but ignores the grinder maintenance at ordinary times, so in this remind everyone in the process of use is also need maintenance. , check whether the power cord connection is firm, whether the plug is loose, switch action is flexible and reliable. And check whether lithium brushless electric Angle grinder wear too short, to timely replacement brush, to prevent excessive sparking formed by brush contact undesirable or burned armature. , pay attention to the inlet and outlet is blocked the inspection tools, tools and remove any part of the oil and dust. Add grease, should be timely. , tool fails, the manufacturer or the specified maintenance overhaul. As a result of normal use or man-made fault splitting off tool damage repair caused by mistake, manufacturers generally will not be repaired or replaced. , check the Angle of grinding mark. Cannot use the Angle of the mill are: no marks, see not clear mark, can't verify, with or without shortcomings. , check the Angle of grinding defects. The check method is: visual inspection, direct observation Angle with the eye surface had grinding cracks problem; Tap on a check, this is to check the main Angle of grinding, the method is a mallet beating the Angle grinders. If the Angle grinders should be no problem clear voice, if the voice of other indicates a problem. , inspection Angle grinding rotary strength. Grinding Angle of the same kind of the same type of using rotary strength spot check, without detection Angle grinding is absolutely can't install and use. Brush can be used in dc motor or ac motor commutator, such as general electric tools, such as hand electric drill and Angle of grinding machine, use it. He is used to and cooperate to achieve motor current commutation commutator, is the motor (In addition to the squirrel-cage motor)Sliding contact conduction of electric current. In dc motor, it also shoulders the alternating emf induction in the armature winding, reversing (Rectifier)The task. The practice proved: the reliability of the motor running, to a large extent depends on the performance of the brush.
