For Hartek Lab twin screw extruder, There are two parts need oil: the Gearbox and the Vacuum pump. 

When it need to change the oil? and how to change the oil? please check details as below:

-------------------------------------------------------------------------------------------------------------------------------------------------------

For more details of Lab extruding equipments pls kindly contact us, email:  info@hartek-china.com  ;   whatsapp: +86 13249707502