fan drive disk

Mike(NEOhio)

Well-known Member
Location
Newbury, Ohio
The first one came off easy, second one was stuck. I used a puller alone with heat and tapping. It came off eventually but the puller distorted it. Got it almost flat in the press, about 1/32 to go and the least bit of force snapped it. The hub is intact. Can that material be welded somehow?
 
Mike, I think that the ones that I have fooled with were some kind of pot metal. I wouldn't have the skills to weld it.
 


Actually, it can be brazed (not welded) a little stronger than the original cast zinc. There is a specialty filler rod and flux used for die cast, and it works pretty well. muggyweld.com

This is a carb from a little Briggs. Something fell on it and snapped off the old Vacu-Jet carb (guess what you can't get any more). The fuel tank also hangs from the carb, so it needed something more than epoxy.

http://www.wwdsltd.com/files/BriggsCarbBroken.jpg

BriggsCarbBroken.jpg



The repair was hard, strong, and held up to the one-holer banging away on the sprayer pump.

http://www.wwdsltd.com/files/BriggsCarbBrazed.jpg

BriggsCarbBrazed.jpg
 

The last one I had that failed was not a candidate for brazing. I couldn't find all the bits and pieces after it grenaded out of the '30 GP:

http://www.wwdsltd.com/files/1930DeereGPBrokenFanHub.jpg
1930DeereGPBrokenFanHub.jpg



Fortunately, the fan stayed out of the radiator.
 

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