The lock nut threads onto the fill valve inlet just above where the water supply hose or tube coupling attaches.
Toilet lock nut stuck.
Mamacanfixit mn i am trying to remove a plastic lock nut so i can replace the fill valve assembly.
Most of the better companies supplied a brass lock nut and a brass coupling nut to connect the water supply tube.
How to remove a stubborn nut bolt.
The end of the water supply line will come away from the connection.
Some nuts have wings that you can grasp with your fingers.
After breaking the fins off the nut while using wrench i tried holding the nut and turning the part in the tank.
When you unscrew the screw the pliers will hit against the toilet bowl and prevent the nut from turning and it will loosen.
While turning these stabilize the bolt from above with a screwdriver.
Empty the bucket and place it underneath the water supply line.
Jarring the nut can break its bond to the bolt.
Then try to loosen it using a correctly sized wrench.
These are used in a toilet chiefly to secure the fill valve in the toilet tank.
Lock nuts are used to hold fixtures securely in place from below.
Tap with a hammer.
Use caution as some of th.
If the nuts don t have wings lock a pair of locking pliers around each one in turn.
Eventually and in an effort to save money some of the companies started shipping these ballcocks with a white metal nickel composite lock nut and coupling nut.
Super glued locknut on toilet fill valve under tank author.
Moving the nut in any direction is progress.
Use a pair of pliers to just loosen the coupling nut.
Locate the coupling nut on the underside of the toilet tank.
There are many ways to remove stuck and stubborn nuts bolts here are some of the ways that i ve found work best these methods contain both simple options and some that use luxurious tools such as an impact gun or welder.
To make sure you hit the nut itself and not the surrounding threads place a center punch on the nut and strike the punch with a hammer.
So you probably won t run across this problem to.