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Message: <blockquote data-quote="bobbie-g" data-source="post: 96805" data-attributes="member: 26"><p>Well, Tazza is a lot better at this stuff than I am! I've worked on the fan belt tensioners on several machines, and I find them somewhat difficult to access. I've even thought about drilling a hole in the side of the Bobcat at times! At any rate, my notes say the pulley on the tensioner arm requires a 5/16" hex key to remove. The swinging tensioner arm requires a 1/4" hex wrench. Be really careful to fully seat the hex wrenches before yanking hard on them, the last thing you want to do is round out the bolt. There is a bushing inside the tensioner arm which I always replace, as well as the spring. I've heard the spring can get weak, letting the belt slip. And I always replace the belt if I remove the tensioner arm, just because I don't wanna get back in there again soon. Here's my first attempt at posting a pix on this forum: https://www.dropbox.com/s/kvr2srljwn8y2s2/Bobcat_763_fanbelt_tensioner_arm.jpg?dl=0 <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" /> ---Bobbie G</p></blockquote><p></p>