Question about Husqvarna YTH21K46 (46") 21HP Lawn Tractor 960 43 0085

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How do i change the primary mowing belt? Is the a way to release the tension on it so I can actually fit the belt on?

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Here is your 3.42MB online manual. You can find the diagram with instructions for this procedure in the manual on page(s) 18-21.

http://www.husqvarna.com/ddoc/HUSO/HUSO2011_NAen/HUSO2011_NAen_YTH21K46_532442472.pdf

Posted on May 27, 2011

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I need help putting rear end back together on a 10 hp30 Murray riding lawnmower


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Broken belt


This is actually pretty simple:

Remove Pto guard on mower deck

Stand mower up on back stands

Pull the friction disc away from the drive disc

slip new belt in between the friction disc and drive disc pushing all the way through

release friction disc allowing to come back in contact with drive disc

loop belt around engine pulley

let mower back down

route belt around mower pulley

loosen guides on idler pulley

route belt through idler pulley

with engine off move pto lever to tighten mower belt

adjust guides on idler pulley allowing 1/8" from belt

tighten bolt on idler pulley

release pto tension

install mower pto guard

and you should be ready to mow

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