Crankshaft Pulley and Woodruff Key

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Crankshaft Pulley and Woodruff Key

Postby alunhart » Tue 15 Nov 2011 10:17 pm

I'm nearing the end of my engine rebuild and putting the pulley on the crankshaft. I simply want to know if the pulley should be a sliding fit over the key, at the moment it goes on about half way and jams. Should I be applying some pressure to get it on or should I think of rubbing the flat face of the key down with some emery paper? The key slides comfortably through the pulley when they're off the shaft and the pulley slides nicely onto the shaft, it's just the three in combination that doesn't appear to work. I'm wary of doing anything silly as a jammed pulley meant I had to get a new shaft in the first place.

Many thanks
Alun Hart

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Re: Crankshaft Pulley and Woodruff Key

Postby Ralph » Tue 15 Nov 2011 10:22 pm

make sure the woodruf key is fully seated in it's slot, the crank pulley should slide over it fairly easily,
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Re: Crankshaft Pulley and Woodruff Key

Postby farmerboy_y2k » Tue 15 Nov 2011 10:27 pm

mine slides on the shaft easily, just takes a bit of a push once its past the timing case seal.
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