[AT] Mystery port on Super M water pump

[Dean Van Peursem]

I’ve seen appendages like these and they were used as by-pass flows for certain types of water pump situations.  It is way off in the very dusty part of my brain.  Maybe I will remember soon.

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From: Dennis Johnson
Sent: Friday, August 13, 2021 12:38 PM
To: Antique Tractor Email Discussion Group
Subject: Re: [AT] Mystery port on Super M water pump

One possibility is it could be a port to connect an external heater to warm up engine. Cold Climates sometimes use Webasto or Arctic Fox type of coolant heaters. 

Thanks
Dennis

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On Aug 13, 2021, at 2:35 PM, Spencer Yost <spencer at rdfarms.com> wrote:
 
I don’t know either Dean but I have seen that elbow and plug before.  My memory is not good enough to remember exactly when, where, or what make & model but I have seen these before. 

I think I agree with Brad.  Probably to transfer heat to some option/implement/material.   Small heater core in a heated cab? 

Spencer

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On Aug 13, 2021, at 11:36 AM, Dean Vinson <dean at vinsonfarm.net> wrote:
 
The other evening I happened to notice this little pipe elbow sticking out of the side of the water pump on my Super M, and I realized I had no idea what it was for.   Couldn’t find it in the operator’s manual, and photos of new replacement water pumps don’t show any port there.   A well-done farmer mod, perhaps for purposes of adding a block heater?  Or for circulating hot water through something else?   Anybody ever seen one in that location?
 
Thanks very much,
 
Dean Vinson
Saint Paris, Ohio
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