Post Time: 2016-07-06
1.Inspecting the drill bits
Use of a dull or bent drill bit will cause motor overload abnormal surface conditions, and reduce working efficiency, therefore, if found such cases, should be immediately replaced.
2.Hammer inspection body of the fastening screws
Since the job have an impact hammer, hammer easy to make body mounting screws loose, you should always check their retention, any of the screws be loose, retighten them immediately, otherwise it will lead to malfunction hammer.
3.Inspecting the carbon brushes
Brush on the motor is a consumable, its degree of wear when it exceeds the limit, the motor will fail, therefore, wear of the carbon brushes should be replaced immediately, in addition to carbon brushes must often be kept clean state.
4.Check the protective conductor
Protective ground wire is an important measure to protect the personal safety, and therefore class Ⅰ appliances (metal) should always check the shell should have a good grounding.
5.Check the dust cover
if the dust cover inside worn and should be replaced immediately.
rjjnicole