GENTLY!! tightening new air cap. The thread here is very delicate and easy to pull/break with the spanner this big. If the thread on the stanchion is wrecked, the fork is done for
Spring leg, inner view, prior to cleaning, out of focus. It needs to be thoroughly cleaned and washed prior to installation, as o-ring of the air piston will slide on the insides of the stanchion, so any residue of spring anti-rattle shrink wrap or whatever else can get stuck in there should be removed