2010 230 belly tank?

[rb8612]

I bought this boat a few weeks ago and found the ballast sender units are bent and not working. Thanks to this site I found the additional fat sacs caused the hard tank to pull a vacuum which collapsed the tank and bent the sender unit. I added a vent through the fat sacs and would like to replace the sender units.

BUT, the belly tank seems to be deformed and the sender unit appears to long (although it's only 9.5" and should have more than an inch to spare). I need a smart idea to pull the tank back to size without risk of destroying another sensor or the tank. Anybody have this smart idea?

I'm thinking of using a 1" pvc standpipe around the sender unit. I'll drill holes to let the water come and go. I need long fasteners to pull the tank up to the right height. I don't have access to the boat and don't know what threadsize these fasteners these are. Does anyone know?

[Dave Rittiman]

I have a sending unit if you need one believe they are the same as the rear hard tanks. Can sell you 1 for $40 or 2 of them for $ 60 bucks like new.


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[markj]

Hmm. Will the tank push back to normal when its full? How hard would it be to blow compressed air into the tank and push it back out? If it doesn't stay, you might consider filling it with hot water, blow compressed air into it and let it cool.

[rb8612]

Hmm. Will the tank push back to normal when its full? How hard would it be to blow compressed air into the tank and push it back out? If it doesn't stay, you might consider filling it with hot water, blow compressed air into it and let it cool.

I can pull the tank back to size and think it's correct when the fat sac pressure is full. It pulls up 3 or 4 inches when I pull from the hole of the water sensor. It always returns to collapsed. Compressed air would shape it when it's sealed but I need the opening to fit the new sensor. Hot water is interesting. I think I could try hot air blowing on the dented area without too much trouble.

I would be interested in those sensors but I just bought two!! Dang


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[rb8612]

My first few ideas didn't work well but I was able to position a 9 7/8" length PVC pipe vertically in the tank to expand it back to shape. I did this by removing the old sender unit and reinserting the fasteners into the holes. I wrapped wire around the fasteners and had a helper pull up to expand the tank. I worked in the small sender unit hole to position the pipe. It's held through one day of use.

I'm glad to have ballast gauges again.