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Member
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Discussion Starter · #1 ·
Hello,

Does any one have a good pic of the belt routing? I seem to have mine correct from all the pic's I can find. It wooks fine in the down position, but when you lift the machine up to transport it pulls the belt tight and ingauges the machine. Was this just how they worked?

Todd, I Think I have the same unit you do.

Thanks,
Jason
 

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Hangin' with the cool kids
Ontario, Canada
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Here ya go......



The loop in the belt comes forward a ways when on the tractor, right above the pivot point. Thinking about it, how would it engage unless the pedal operated PTO was engaging?
 

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Hangin' with the cool kids
Ontario, Canada
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In the manuals section, there are 3 different 620s listed....Guess you will have to find the one you need.
 

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Discussion Starter · #8 ·
Thanks, DH1

I have the same 620, and it looks like I have my belt the same. Does you belt get tight as you raise the machine, and then the machine is running?
 

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Electric Tractors
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5,639 Posts
WAFergusonguy said:
Thanks, DH1

I have the same 620, and it looks like I have my belt the same. Does you belt get tight as you raise the machine, and then the machine is running?
I don't have a blower on a tractor now but I do remember that when the blower is raised and lowered it did move in an ark, that would move it a little closer and further away for the tractor but not all that much.
When my clutch was released (belt loose not turning) I noticed that there was a lot of slack in it, and when clutch engaged (belt tight and turning) it worked fine.
Maybe try to loosen the belt off a bit, there is a lot of adjustment in those.

If you look at my 3rd pic you can see the belt is tight. (clutch engaged)
The 4th pic the belt is loose (not engaged) you can see how much slack the is, need too zoom in to see this.
The pic posted by "mikebramel" shows the same thing.
 

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Accumulator
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13,481 Posts
I am sure that's who he means.
 

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Electric Tractors
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WAFergusonguy said:
My blower is just like the pic's you posted DH1. Does yours start running as you raise it up?
No it didn't the belt has a lot of slack in it, maybe your belt is 1 size too small???
 

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Electric Tractors
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There are 2 different snow blowers that have the drive belt go forward to the blower from the crank, very similar but the AGCO parts books show different drive belts for them.
1032843M1
1035690M1
What the difference is??? most likely length.

My blower attaches to a heavy bracket that bolts under the front of the frame to the front axle pivot bolt.
The other one attaches to a bracket that bolts to the front bumper.
Picture of my bracket.
Wood Chair Art Tints and shades Flooring
 

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Tractorholic
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I'm currently using the same type of MF 620 on my MF 12. I've had the issue you describe whenever I replace the drive belt. A new belt is tight and will engage when the thrower is lifted unless you adjust the "silver" metal arms to bring the upper portion of the thrower assembly closer to the tractor when it is off the ground. Shortening the length of the arms when in the up position should provide some slack.
 
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