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When you flush a toilet, a carefully balanced series of events takes place in the tank. As you push the flush handle, the tank-stopper ball is lifted from its valve seat, allowing water to flow from the tank into the bowl. When the tank is nearly empty, the tank ball falls back into the valve seat, cutting off the flow.
As the tank’s water level falls, so does the float, opening up the supply, or ballcock, valve just as the tank ball seals the tank. The tank then refills through the tank fill tube, and the bowl and trap refill from the bowl fill tube directing water down the overflow tube. As the float rises, it shuts off the ballcock valve and the toilet is ready for action once again. When any part of this balancing act is out of whack, you’ll need to make one of the repairs shown in the chart below.
If your toilet tank or bowl develops a leak, check all pipes and connections. If a pipe or tube is corroded or the tank or bowl is cracked, replace it. If the leak appears near a joint, clean away any corrosion, replace any gaskets or washers and tighten the connection. Be careful when tightening bolts and nuts mounted to porcelain -- the porcelain may crack and ruin the toilet.
Toilet Tank Troubleshooting
Water runs continuously: Adjust lift wires or chain to align tank ball. Clean valve seat.
Water runs after flushing: Bend the float arm. Clean the valve seat. If the float is waterlogged, replace it. Replace tank.
Whistling sounds occur: Put new washers in the ballcock-valve plunger. Replace ballcock assembly.
Splashing sounds are heard: Reposition the refill tube to eject directly into overflow tube. Put new washers in the ballcock-valve assembly.
Tank flushes partially: Shorten the lift wires or chain to make the tank ball rise higher. Bend the float arm upward to raise the water level.
Tank sweats: Insulate the tank by lining it with sheets of polystyrene or foam rubber. Have plumber install tempering valve to warm the water in the tank.
Tank leaks: Tighten connections to the water-supply line. Check gaskets and washers around discharge pipe and mounting bolts to the bowl.
Toilet leaks at base: Tighten bolts at base of bowl. Disconnect the toilet from the floor and replace the wax seal under the bowl.
Most toilet tank problems are simple to repair with minor adjustments or cleaning. Here are some common adjustments for standard (not low-flush) toilets:
Adjust the float arm. If the float still floats (it's not waterlogged), make the water rise higher or lower in the tank by bending the float arm at its center. If arm won’t bend under hand pres sure, grip it with a pair of pliers on either side of center. Flush the toilet to test your adjustment.
|Check the tank ball alignment. Shut off the water supply to the tank and look inside it as you flush to watch the tank ball drop. If it doesn't fall straight into the valve seat, loosen the setscrew on the guide arm, and reposition the arm so the tank ball is directly above the valve seat. Tighten setscrew, refill the tank and flush to test.|
Clean the valve seat. When the tank ball seats properly and water still escapes, mineral deposit buildup on the tank ball and valve seat may create a poor seal. Completely empty the tank, remove the tank ball and clean the ball with warm water and detergent. Gently scour the rim of the valve seat using fine steel wool.
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This book is intended to educate you the consumer, on all aspects of drain-cleaning, and maintenance, you can do your self. It will describe to you in detail everything from preventative maintenance to unplugging your own drains using a hand snake or electric snake.
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Last modified: Friday, 2020-05-01 10:54 PST