1995 Woods RM990-3 question

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Good Afternoon,

Just got a new to me RM990-3. Went over it and checked what I thought I should have, test cut for 5 minutes and parked it in barn and looked it over. I found where the belt had been making slight contact with front to back frame rail. Belt seemed to be riding low off/directed low from spring loaded idler pulley to spindle pulley. I checked out all pulleys for play and level. Spring loaded idler pully is not level left to right. Off about 3/16 inch, with low side to outside (see pics). Would this cause my belt to run "downhill" and cause the contact with the frame rail as it travels to the spindle pulley? Sorry about the wordiness, I think I have explained it! Thanks!

 

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Update: Spoke with Woods. They suggested replacing bearing in pulley mount itself. Took idler arm and connected pulley off and there was play in it. Ordered bearing and hardware and will replace/repair. Will update later after back together.

 

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Update: orders parts, local shop replaced bearing hardware, reinstalled and same result. Mounting post is plumb, so ordered new idler arm, will update when replaced.