I had a gearmatic on a C5 tree farmer had it off a time or two You may have to remove the skid plates to get to them. Not sure on a 240. Use the search feature on this site someone posted a link to online parts and service manuals to your winch very helpful.As A side note I had an Eaton winch off a 225 this winter and someone had welded small lengths of rod to each nut so they didn’t need to be held, handy trick.