Chuck,
I cannot tell you much of technical significance. I removed the window washer pump. It is held on by just four self tapping hex hd screws. I made up a blanking plate in its place. Someone had already installed an aftermarket electric motor pump. Inexpensive item from Super-Cheap or Auto-Mart. I re-connected the wiring to it and it works fine. I do not need the windscreen washer to work at all. Whatl I needed was to stop the obvious destructive banging of the mechanism. Sounded like something would break very quickly. I spoke to three other mid year owners in my club, and found that all had removed the mechanical pump. In the interests of authenticity, I would like to get the old pump going again, but as I said, it is a mystery. Maybe I have lost a part, like a return spring.
As far as windscreen wipers turning off, goes, I used the magic fluid ,WD-40. With the pump removed, I could see the relay and latch mechansim. I just sprayed the mechanism, and it fixed itself. Probably 40 years of dirt and crud in there somewhere.
Col Wolf
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