I haven't had to do much, but what I did made our lives a little easier.
The JayFlight's water heater was located behind a cabinet door that was screwed down. Seemed foolish, so I added a couple hinges and a handle.
We gained a little space and now I can get to the isolation valves.
I am a NAVY man I like NAVY showers
😉 .Just kidding-- we go dry camping sometimes. I installed a ball valve to the shower head. In retrospect I should have just bought a better shower head that didn't leak, but this works.
Next needed a strong receiver on the back of the trailer to either haul our generator or our bike rack. Having a 220 welder is handy sometimes. I welded a 3" tube steel frame from beam to beam added a kicker plate to the hitch, then welded a 2" receiver to the tube steel and put a nice bead on the bumper. That sucker is solid, probably over kill, but I don't like to be behind someone with something wobbling off the bumper.
Next I made a generator rack. I bolted the generator to the rack and then welded a chain to the rack to go around the generator (to keep honest people honest). The rack has just enough room for a Jerry Can.
This next mod is a little hard to explain... we have a three year old and we didn't want him rolling off the bunk (obviously), so I installed a toddler bed rail. This model bed rail we have has two long rails that are supposed to go under a twin mattress. The weight of the mattress is supposed to keep the rail in place. The foam pad that serves as the mattress in the trailer was not going to keep the rail from flipping if my son rolled up against it, and bolting the under bars to the thin bed frame board wasn't going to cut it in my book either. I took the top board off, shored it up better and most importantly framed it so I'd have something to bolt the bottom rails to. Reinstalled the top board and bolted the rails to the bed frame.
Lastly, I mounted the 3 stage battery charger add-on box somewhere where I could monitor. mounted it under the stove. It was no big deal.
I'm welding up a diamond plate battery box for our 6 volts-- should be trick looking.
Have Fun,
2007 Jayco JayFeather 20BH
2009 Ford F150 5.4L