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Gas Line Sealer needed?

O

Oldtractorfun

Member
I am replacing the whole sediment bowl assembally. I was wondering would there be any need to put somekind of sealer on the threads where it screws into the gas tank? After 2 years of trying to get the bowl to quit leaking ( replaced gasket), the turn off leaking ( tightened up the nuts) I just decided to change whole thing. Not good having them gas fumes in the garage.
Any opnions on to use something and what to use or not to use anything would be appericated.
 
ive got a holt of tanks that the
"bung" has spread out over the years of overtightening if your bowl screws all the way down using most or all the threads yours is too i start the bowl in the hole and then take a small brass punch and slowly punch the lip inward making sure to get all the round evenly if possible then remove the bowl use a good sealant that should take care of it. i start the bowl in to start with to keep from over bending the lip to start with.
the bowl had tapered threads so it will push the lip back out where it need to be
 
I prefer the plumber's teflon paste in a tube over the tape on these. The yellow stuff for nat. gas connections better yet. The tube stuff doesn't dry out like the stuff in the can with a brush in the lid. Just keep in in the threads and away from the gas flow.

If you got an old tractor with probable rust in the tank, then you may want to replace the sediment bulb to avoid future plugging issues. Wrap some screen around the top of the sed bulb inlet to keep the rust out. Tie it with some thin wire.
 
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