I probably should do more. But typically when I'm done with an implement, I simply park it. Most are on 6x6 or 4x4 blocks, just to keep them off the ground. I don't lube them, spray fluid film (I just learned of that), remove PTO shafts, or anything. Simply park them.
However
Before I use the implement, I take it up to the shop and grease it, make sure it (whatever it is) is adjusted properly, blades sharp(ish), chains properly tensioned, etc. Then I use it.
Before parking it, I do typically wash it off. Sometimes that with the pressure washer, or simply a hose. But that depends on the implement as well. If its my grapple, nope. No washing. No amount of pressure washing will remove the sap! Same with the bucket, if I take it off, I'm not washing it out. I may bang it a few times, just to drop anything out of it that may be stuck. My tiller, I typically hose down the outside, but getting on my back and washing the underside clean of dirt? no.
Most of my maintenance is preformed before I use it, not after. Not unless something is broken.
OH! I do use wire to wire up the PTO shafts so they are not in the dirt. I try to keep the end clean...ish.
