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SM420 output shaft and pilot bearing

Discussion in '40- & 55-Series Tech' started by pablo, Jun 25, 2003.

  1. pablo

    pablo

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    I am confused here. &nbsp:Does that 3/16" roll pin actually drive the transfer case imput gear? I understand that the imput shaft on the SM420 is short but how exactly is that corrected for? It is a longer bearing and a bushing on its OD to make it fit into the F crank?
    Thanks
    Pablo
     
  2. rocrawler

    rocrawler

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    I've done 3 SM420 conversions in the last 2 years and have never used any kind of roll pin.
     
  3. SpaceGhost

    SpaceGhost

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    Are you talking about the locking pin for the tcase input gear? That roll pin thru the 2 washers just locks the washers to the input shaft,by going in between the splines.