Hello, 
I have this old sovema tiller, I'm not sure exactly how to change the oil. My assumption is that the bottom bolt is a drain plug (even though it says oil level), the big screw on the left is the fill-to hole, and you fill it in the top, but anyone know for sure?
	
		
			
		
		
	
				
			I have this old sovema tiller, I'm not sure exactly how to change the oil. My assumption is that the bottom bolt is a drain plug (even though it says oil level), the big screw on the left is the fill-to hole, and you fill it in the top, but anyone know for sure?