Where can I add hydraulic oil to the horizontal axis rectangular table grinder in Hangzhou?

Come back. The hydraulic oil of Hangzhou horizontal axis rectangular table grinder is added to the back, and the former oil must be cleaned in the middle part before the new oil can be used in the back. There is an oil filler in the middle part, which can be seen after the cover is removed. The national standard of horizontal axis rectangular table surface grinder is M7 1 series surface grinder, that is, surface grinder with horizontal grinding head spindle and rectangular table.