On 12/8/2013 2:01 AM, glemon@neb.rr.com wrote:
> I remember when I changed the nylon gears on mine after it was about 5 years
> old or so, I thought "wonder why the make the gears out of nylon in a pretty
> high stress application, if they were brass the thing practically last
> forever" then I thought about it for just a little more and figured out the
> answer was in the question.
Nylon is quieter and, with proper care, should last the life of the
operator.
Speaking as someone who spent time in the door business, there's plenty
of revenue to be had without building in some failure mode.
Jeff Scarbrough
Corrosion Acres, Ga.
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