Question about Moen Home
Hello. W/D here....
I'll have to be general in this info as I don't know your specific valve, but I have worked on many diverter valves.
Either the packing gland on your valve is too tight, or you have a damaged diverter valve.
1. Make sure water won't come out in the tub or shower when your water is turned off; that is, that your water valves don't leak. If they do, you'll have to shut off the water.
2. Gain access to the valve body/diverter valve: Remove the plastic cap on the knob, remove the screw then remove the knob. The metal tube will unscrew from the valve body.
3. It gets a bit tricky here, so bear with me... Looking down the valve stem, there are two nuts surrounding the valve stem. The one closest to you is the packing gland nut. The inner one is the valve cartridge nut. The tricky part is that the nuts are difficult to get at. Turning (loosening) on the outer nut will make the valve easier to operate, and more likely to leak. A general rule for packing glands is that they should be just tight enough not to leak, plus 1/4 turn.
You can buy a set of thin wall sockets at Lowe's or similar, and they are handy. But....you may be able to slip a deep well socket onto the nut and turn it. This will save you ~$15, if it works... Unless you are familiar with adjusting packing glands, it will be easier to just replace the entire valve. Get a socket that will fit the valve body. Place the socket on the valve; the stem will have to pass through the square socket drive hole. You will have to use a pair of channel locks or pipe wrench (or similar) on the socket to remove the valve cartridge. When you have the valve out, look inside the valve with a flashlight and you'll see the valve seat. It will have a square or hexagonal hole in it. Check with your finger for nicks. If it is damaged, remove it. The valve seat wrench is available at a hardware store reasonably, ~$10. Pull the valve out and take it with you to the hardware store. Reinstallation is the reverse of the removal with two exceptions: make sure that the valve stem is "open", and make sure that the packing gland is snug, but not too tight. The easiest way to adjust it is to put the handle on the valve and to operate the valve in your hand. Tighten the gland to snug and operate the valve. Make adjustments in this manner until the valve is still easy to operate, but is getting harder to operate as you tighten it...you'll get the feel for it. Once you're satisfied for the most part, install the valve. Usually there is a plastic gasket or "O" ring that will need to go on the threads. Install according to the instructions included. Once the valve cartridge is installed, operate the valve a few times. Complete the reassembly.
Posted on Jul 14, 2009
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Posted on Jan 02, 2017
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