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peterson9934

Mower deck won't disengage

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I put a mower deck on my Commando 7 and it worked fine at first, but then the blades wouldn't disengage.  Suggestions?

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Just saw this post and sorry nobody got back to you. I only saw this once and it was my 857. I had the wrong belt on it and it wasn't making it loose enough to disengage the deck. The only other thing i could think of would be you have the belt on wrong.
Here is a pic of what it should look like disengaged. 

 

Commando 7 sideview.jpg

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Thanks for the reply but unfortunately I have the other commando 7.  Strange how it worked at first but then wouldn't disengage. Stalled the mower a couple of times at first too so maybe the belt is too small????

image.jpg

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I'm not familiar with the vertical shaft setup.
Sorry!

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Do you know the model number of your deck?
May be 5-7361 or  5-7362 These use a 8412 drive belt which is 1/2" x 86".
This is a later manual but suspect the design is the same
http://www.wheelhorseforum.com/files/file/1211-mower-rotary-36in-rd-1971-5-0610-ccw-om-ipl-a-5284pdf/

Garry

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So the belt I have on now is a gates 1/2 x 85. According to the manual I need a 1/2 x 86. It says I need toro #8412. I think I'm reading that right. My model is 5-7361. 

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That's the good thing bout these old machines...easy to figure out...belts won disenguage, really can only be 1 of 2 problems, belt to small or clutch needs adjusted.

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Oh Yes, very well could. I have a Electro 12.the belt is stretched out just a littlebiy..goes on flat land great but when trying to pull a hill, will cut out til it kills the engine and will just smoke the belt...I gotta order a new one.

1" worth of tension is just enough to keep it engaged for sure.

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No problem...that's what we're here for! Welcome to Red Square! And don't forget to post some pics!

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I am 99% sure this belt needs to be fabric covered and if it travels over a flat idler it should be a green Gates belt. They are designed to bend backwards because the cords are more central to the belt depth.

Garry

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Just wanted to finish this post....the new belt works.  There are two holes on the mower deck that the hook for the lever goes in to.  Didn't work when I hooked it to the front hole....worked when I hooked it to the rear hole.  Thanks again everybody.  Sorry it took so long to give an update.

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