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Discussion Starter · #1 ·
Pulled the head out of the shed over the weekend and noticed the knife drive idler arm is coming over center very easy when the head bounces causing the belt to lose tension. Springs were set to book, tried adjusting both ways with no luck, did notice some play in the idler arm were the bushing could have some wear on it but wouldn't think that would play a big factor. Didn't have a problem at all last season.