I am currently in the process of trying to seal up an absolutely ANCIENT water pump... it leaks water profusely from the back of the shaft (between the pump and the motor). The motor itself works flawlessly, and aside from the leak, the pump works great as well. I am sure that almost nobody uses these anymore, but I am hoping that there is someone on this forum who has experience working on them from yesteryear?
It was made by Robbins & Myers and has the following information printed on it:
Before I fired it up this week, it hadn't been ran for at least 5 years, maybe even more like 10.
Anyhow, I removed the inlet housing from the front of the pump in order to try and get at the seal that is leaking (the seal that is leaking is behind everything that is shown if the following picture), and I encountered this rather strange looking squiggly shaped impeller (correct term?) that doesn't appear to have any fasteners or method of removal.
I took a close up picture of the base of the impeller (?) and it has a strange tabbed ring:
Do I perhaps need to pry that ring up in order to get at what fastens the impeller?
Does anybody know how I might remove that piece in order to get at the seals behind it? Furthermore, is there a method of reconditioning the seal without removing the shaft? Maybe some secret oil that makes the seal swell so that it takes up the space better or something?
Thanks in advance for any input!