**** the oil out. then you dont even have to get on the ground if you dont want to.
harbor freight has a green pneumatic oil sucker. Holds almost 8 gallons.
http://www.harborfreight.com/6-1-4-quarter-gallon-oil-extractor-46149.html
mine just broke from 2011, 3/8 impact. i took it apart and the drive gears connecting the electric motor busted. i was just going to order a new part but its around 150 for rebuild and they replace almost everything i guess.