I assume the coupling nut (bottom outside of tank) will turn the same
direction to loosen the ballcock valve as the water supply nut at the
bottom of the tank just below the coupling nut ?
With this in mind I've tried to tried to untighten the coupling nut
but I was afraid I might strip this plastic nut (perhaps 1/4 thick and
not much to grab onto). What is the best tool to remove this coupling
nut from under the tank? Special type wrench or just use a hack saw to
cut the nut and threads?
For what it's worth to use the correct terminology, I called it a
coupling nut but actually I think I should call it a lock down nut
(just on the ballcock valve on the bottom of the tank tightened to the
tank to hold down/secure the ballcock valve.
I had to use a mini hacksaw tool (just perfect for this job) and cut
about 1/3 into the top of the lock down nut (I scraped the tank a
little in sawing) and then used a pair of pliers to grab the threaded
stem (ball cock valve below the tank) and wiggled it till it just
snapped off (sheared off) and then all was solved. I also had to
replace the 2 washers that secure the tank to the bowl but that was
easy to take out and replace.
Other than the sawing (about 10 minutes using a new mini hacksaw) it
wasn't a bad job. I did note that the new lock down nut says to hand
tighten but that won't work because it still leaks so I had to use the
pliers to tighten it just a bit more till the water leak stopped. Now
all is working well.
Again thanks Jim and for the benefit of others here I posted the stuff
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