laser screed

Maintenance the laser screed

Maintenance the laser screed 1.Maintenance of engine (picture 6-1、6-2、6-3)Caution 1> Before the maintenance of engine,please ensure the engine is power off and cool.Please ensure to check the engine oil each time before using it,and add engine oil if the volume is low.Besides,you should also replace the engine oil regularly. A、The first time you replace engine…