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Old 07-21-2013, 03:37 PM   #1
LDO
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Cupped washers on billet crank pulley

I just got a billet crank pulley and the washers for the 3 bolts that hold it on are cupped.

Never seen or noticed this before. Is there a particular way these washers should go?

should the 'cup' face the bolt head or the face of the pulley?
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Old 07-22-2013, 01:27 PM   #2
pgf545
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Re: Cupped washers on billet crank pulley

I believe those are Belleville washers and they should go with the cup side towards the bolt head. They are like a spring washer.

http://www.apexfasteners.com/fastene...er_Drawing.jpg

Maybe this will help

Bernie
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