Regardless of the appearance of the push-type faucet, whether it has two handles for cold and hot water or only one handle that controls both hot and cold water, it works according to certain basic principles. The following describes how to disassemble a push-type faucet and repair the dripping problem:
Tools needed: Use these tools to deal with push-type faucet screwdrivers, penetrating lubricants, slip joint pliers or adjustable wrenches and their replacement pads.
Step 1: Remove the handle and check the parts of the faucet. Use large slip joint pliers or an adjustable wrench to remove the packing nut, being careful not to scratch the metal. Turn the spool or shaft in the same direction as when you turned on the faucet to unscrew them.
Step 2: Remove the screws holding the washer. If necessary, use penetrating lubricant to loosen the screws. Check the screws and spool, if they are damaged, replace them with new ones.
Step 3: Turn off the water supply, and remove the small screw on or behind the faucet handle to remove the handle fixed on the faucet body. Some screws are hidden under metal buttons, plastic buttons, or plastic sheets, which snap into or screw into the handle. As long as you turn on the button, you will see the handle screw on the top. If necessary, use some penetrating lubricant like WD-40 to loosen the screws.
Step 4: Replace the old washer with an identical new washer. New washers that almost exactly match the old washers generally keep the tap from dripping. You should also pay attention to whether the old gasket has a bevel or flat, and replace it with the same new gasket. A gasket designed only for cold water will swell violently when hot water flows through it, blocking the water outlet, and slowing down the flow of hot water. Some gaskets can work in hot and cold water, but you have to make sure that the replacement gasket you buy is exactly the same as the original one.
Step 5: Fix the new gasket to the valve core, and then reinstall the parts in the faucet. Rotate the spool clockwise. After the spool is in place, reinstall the packing nut. Be careful not to scratch the metal with the wrench.
Step 6: Reinstall the handle and put the button or disc back. Turn on the water supply again and check for leaks.
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