https://www.homeownerseries.com
This is video #1 of a 3-part series. The videos are:
Compression Ring Removal = https://youtu.be/6wNYj57PqSw?hd=1
Compression Ring Puller = https://youtu.be/HGRQpuUWQ38?hd=1
Power Grinder = https://youtu.be/yo1C-UPMr1I?hd=1
To watch the Compression Ring Removal Playlist = https://www.youtube.com/view_play_list?p=4BFD3E3C616B5A7C
Water Supply Valve Compression Ring Removal
When replacing a water supply valve, there are circumstances where the existing compression ring and nut will adequately perform from one valve to the next, however, sometimes the compression ring will become damaged and will need to be removed and replaced.
There are two ways to remove a damaged compression ring and nut. The first and best way is to use a compression ring puller. This tool can be purchased at a hardware or plumbing supply store. The second way to remove the compression ring and nut is to use a hand-held power grinder. This is, however, less recommended because of the damage that can occur to the copper pipe during grinding.
Tools Needed
The tools needed to perform this repair will either be a compression ring puller, or a set of rib-joint pliers, a hand held power grinder, and a flat-head screwdriver, depending on the technique that will be used.
To remove the compression ring and nut using the compression ring puller, first place the coupling guide inside the tube of the copper pipe. Insert the threaded stem of the puller into the coupling and place the forks of the puller behind the compression ring and nut. Next, turn the puller handle clockwise until the compression ring and nut are pulled loose from the copper pipe.
To grind the nut off of the copper water pipe, take the rib-joint pliers and securely hold the compression nut with them while slowly grinding with the power grinder. It is important to evenly grind the nut without moving too close to the copper pipe, as any scoring on the copper pipe will make it more prone to leaking. Once the compression nut is mostly cut through, take the flat head screwdriver and pry the opening on the nut further apart until it is able to slide over the compression ring and off of the copper water pipe. Be careful not to touch this area, as it will most likely be hot from the grinding.
With the compression nut off of the water pipe, take the handheld power grinder, and begin to grind through the compression ring. Be extremely careful not to grind into the copper pipe. When the compression ring is cut enough to remove, use the flat head screwdriver to pry it loose from the copper water pipe. Now take the rib joint pliers and remove the compression ring off of the pipe.
Now that both the compression ring and nut are completely removed from the water supply pipe, a new water supply valve can be installed.
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