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View Full Version : Changing Hydro oil & filter question


Surferbum21
12-10-2008, 08:41 PM
Sorry if there are forums on this but I tried doing a search and it brings up anything and everything on hydrostatics. Can someone point me in the right direction on the correct way of changing the hydro oil on my 23 hp kawasaki engine on a Gravely?

I was thinking it was just like changing the oil but luckily read about it and if not done right you can do some serious damage (air out of lines). Thanks guys.

Restrorob
12-10-2008, 09:18 PM
Just change the oil and filer(s) as you would engine oil then follow the below air purging procedure after refilled with oil.


http://i107.photobucket.com/albums/m314/Restrorob/Hydro%20Gear/HydroGearPurgeProcedure.jpg



Good Luck