The tube, upper distributor and valve connection looked like it was gonna be a problem, but after carefully checking the clearances it appears that all of it sealed nicely with an O-ring that seals the pipe to the valve, then the valve also compresses that same O-ring between the valve and the upper distributor where the tube comes through. I may use a small bead of silicone between the pipe and the upper distributor, just in case.
Service manual calls for 7 to 11 inches of freeboard. Shooting for 8-9". It was only 6 inches originally.
kdog, thanks for the info. New distributors top and bottom on order along with the seal kit. Nozzle/venturi is fine. I purchased the cation resin locally from a water conditioning place for $100. Seemed like a good price considering the added shipping prices for buying online. I'll have the all the parts tomorrow and back in operation in about an hour. My only decision is whether or not to use a gravel base or not. This unit did not have one originally. Any advantage to using the gravel or not?
Nothing found in between the tubs but a heavy build up of lint type debris between the vertical center sections of both tubs. Removal may or may not help, the spin clutch seems OK, I can see it working and there is still material on the clutch.
Since I didn't actually see this problem happen, burning smell and all, I'm thinking that the tub was overloaded and just took a long time to spin up to speed.