1)The compressed air must be clear,never contain water and sewage,Air inlet must be installed with oil-water separator.

    2)Before usage,Inject less lubricating oil into the air inlet of pneumatic screwdriver,then idle for a few seconds.

    3)Iubricating oil for pneumatic screwdriver:HJ-10(GB443-64)machine oil for prime moving part,IG-2(GB491-65)albany grease for bearing and impact mechanism,replace per three months.