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JD 1240 Plateless Planter Need Help
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Trent2520
Posted 5/10/2009 20:59 (#709367 - in reply to #709246)
Subject: RE: JD 1240 Plateless Planter Need Help



Statesville, NC
The sprockets may be designed for 2050 (extended pitch) chain, even if they appear to be single pitch sprockets. The spacing is slightly different for a sprocket designed for extended pitch chain, the teeth are slightly farther apart, more so on small diameter sprockets. This is because on a small sprocket, the double pitch chain is going straight across two teeth where a single pitch chain would be angled at each pitch, therefore shortening it's length. Hope this makes sense, if not maybe I can find a picture or drawing.
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