Originally Posted by Griswald One
Great that you can pull it off, but that is some serious gymnastics my friend. Unless you are incredibly tall I have to assume to stand on the top rung???... I have fallen off a ladder once cleaning an RV... Not a mistake I intend to replicate.
Just trying to envision the logistics... Are you coming at it from the sides or reaching over the hood of the truck? Heck I can't even reach the entire windshield let alone buff the end cap.
I'm actually short, 5'6" but very nimble and my Greyhawk is an 09 and has more of a box shaped overhead cab design than yours so it's easier to reach from a 6' step ladder side angled from the 2nd highest rug.
For your type of cabover I would use two 6' steps side to side and build a scaffold using a new 2X10x8 or two of these boards screwed together if over 200lbs. I'd position it 6" away from the tip of the cab. This way you wouldn't have to lean too far over, compromising the stability of the scaffold. If stability is a concern, I would screw or mount the far side leg bottoms, or feet of the ladders each to a piece 2x6x4 laying it flat, extending the extra length of the boards away from the front of the rig. This will eleminate any tipping concerns. I built a setup like this year's ago when I rehabbed the cabover on my older 1st rig that suffered delamination from water damage.