Here is the model #F7FS24 Date Code 89-02 I'll try to get pictures.Picture? model number, description?
I think it's a very common problem due to ham handed local dealers' techs, plumbers and well drillers twisting the knob 'til something breaks so they don't have to learn how to troubleshoot'n fix things... They get to try to sell new stuff that way. Many of those guys (plumbers'n drillers especially) always look for a bigger @#!!^*% hammer (BFH) when the one they usually beat things with doesn't git'er done.The main gear pt# 13170 breaks off the first tooth or two. Some minor changes were made to the main gear to prevent this problem. I still stock a large number of main gears for this common repair. Once the tooth is broken, it will no longer key correctly to the brine cam gear and the gears will no longer mesh properly. This causes the system to lock up and can no longer be turned.
This is a very common problem on older 5600 valves.
Got a half dozen or so hanging in the stock room.
This is awkward, but...
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