I need to overhaul the pump from a 100.981 motor. I did a lot of searching on this board, and found this thread :
http://www.m-100.co/forum/topic.asp?TOPIC_ID=2332&whichpage=1&SearchTerms=waterIn this thread there is discussion about the non-availability of the original seal, and the proposal to use a seal from a more recent diesel engine.
I duly stripped the pump, and ordered bearings and the suggested replacement seal.
Its quite clear that my shaft is in a poor state in the area where the seal runs. You can see that the shaft is in that location similar in diameter to where the impeller is pressed on. Referring to the WS manual drawing :
the shaft should in fact be a good deal thicker where the seal runs. I was intending to have the shaft built up, but now that the new seal has arrived, I can see that it is intended for a smaller diameter shaft. So I need to have the shaft machined appropriately, and built up where needed, then chromed I suppose.
The ID of the seal appears to be 14.2 or 14.3mm. What diameter should I specify for the shaft?
Has anyone completed this project successfully?
Thanks in advance.
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