David Bean wrote:
> I have never understood why filing crank cotters is so widely recommended.
> Two new crank cotters (of the same mfr and type, of course) must have the
> same bevel. Using a file on that bevel seems likely to render it less flat
> than it started out; therefore more likely to come loose in service. What
> am I missing here?
>
> David Bean
> Arlington, MA USA
> beandk at are-see-enn dot com
>
> _______________________________________________
>
> Filing a crank cotter is done when necessary to adjust the amount of threads showing past the crank arm cotter hole. In other words, some do not protrude enough. It is ideal to start with two cotters of the same manufacture.
>
Chuck Hoefer
Vista, California USA