Then finish loosening the nut with your fingers.
Toilet lock nut clockwise.
Remove the nut washer and lock nut.
Step 3 replace the valve.
Remove the fill valve.
Position the new valve in place of the faulty one.
Raise the pipeline from the overflow tube.
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.
Prepare the toilet turn the water supply shutoff valve clockwise to turn.
Use a pair of pliers to just loosen the coupling nut.
I then would proceed counter clockwise with a second offset 6 pipe wrench and try to loosen the nut.
Tightly secure the lock nut washer and nut.
Some nuts have wings that you can grasp with your fingers.
Locate the coupling nut on the underside of the toilet tank.
The end of the water supply line will come away from the connection.
These are used in a toilet chiefly to secure the fill valve in the toilet tank.
Use your pliers to loosen the nut under the tank.
To be honest before i grabbed the hack saw i would always set up a straight 6 pipe wrench inside the toilet tank and position it at the base of the fill valve with the handle up against the toilet tank.
Lock nuts are used to hold fixtures securely in place from below.
Empty the bucket and place it underneath the water supply line.
Using various methods to remove the nuts and the bolts when the toilet bolt won t tighten gets your project back on track.
The lock nut threads onto the fill valve inlet just above where the water supply hose or tube coupling attaches.