Don't be afraid of oil, metal likes it, albeit messy. WD40 has brand extensions that are better at lubing; the original is a little "light" for the scale you are working with.
If you don't want to go with the oil-bath, after double-checking bolts are released, try heat - no OA torch ? then a tiger (propane roofing) or MAP-gas torch will give you enough heat fairly quickly.
When you do get it apart, be sure to grease the receiver opening on the shovel for next time..... For a dryer lube, try graphite....
:2cents:
Rgds, D.