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Implement Alley Discussion Forum

NH 36 Chopper

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Author  [Modern View]

08-06-2016 08:46:39

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Hello All

Just changed a bearing on the pulley side of the flail shaft. Got the pulley off with a puller by tightening up the puller and giving it a love tap or two on the wrench end of the puller. It popped right off. Now it doesn't wanna go onto the splines more than a quarter inch or so. I put the pulley in the oven for a couple of hours but that didn't help. Do these pulleys only go on one way?? The splines are straight but the grooves in the shaft are tapered. There are a couple of bolts on the pulley itself for balance so I wonder if I'm missing something. Any and all help appreciated.


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08-06-2016 11:27:50

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 Re: NH 36 Chopper in reply to Davidj, 08-06-2016 08:46:39  
Whoops..... Just found the problem..... I was trying to put it on backwards..... . Got it up and running and tried it out..... Must've breathed in a big whiff of stupid this morning... Live and learn. Thanks for the help Roger. Much appreciated.

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08-06-2016 10:28:51

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 Re: NH 36 Chopper in reply to Davidj, 08-06-2016 08:46:39  
Carefully look at the splines on the shaft and in the pulley (sheave). Sometimes they use a "blind" spline that will allow installation only one way.

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