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Crawdad

Snowthrower belt too loose

By Crawdad, in Wheel Horse Tractors

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Crawdad    5

Crawdad
Posted (edited)

Hi all you movers of snow, I have a Wheel horse 520 H 1996 Model 73501

and just reattached my model 79361 snowthrower on it and the belt is very loose.

I had used the blower last season and it had performed great (it came with the blower already on)

I removed it for mowing use and reattached a month ago with the same belt. Even with the belt

on the inner/larger PTO pulley, the belt was so loose that it would barely turn the auger without

engagement into snow and completely stopped in snow. the belt then came off and was damaged so that

the steel cords started to protrude and I replaced the belt. (belt: # 116332)

The new belt slips also and the symptoms are the same, even on the larger PTO sheave.

The belt tension spring is mounted and functioning and as far as I can tell I have routed the belt correctly.

I tried to visit pages that show images of this, but was not allowed to view the content??

Are there any additional ways to make the belt fit better?

I'll post some key pictures of what it all looks like shortly

When I removed the cover for the belt at the PTO I noticed that I had it on the smaller/outside sheave and moved it to the larger.

this did tension the belt better and perhaps it will work. However I am concerned about the Belt guard that is situated between the 3

pulleys on the thrower- is it in the right position?

current belt route 1-13-16 (Medium).jpg

current belt route full 1-13 (Medium).jpg

Snowthrower 1-13-16 (1) (Medium).jpg

Snowthrower 1-13-16 (2) (Medium).jpg

Edited by Crawdad
Add pictures

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WNYPCRepair    1,873

WNYPCRepair
Posted

Pictures will definitely help

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gwest_ca-(File Mod)    9,844

gwest_ca
Posted

Single stage snowthrower on the brain - sorry. You have a 2-stage blower so the following does not apply.

 

Sounds like you don't have it routed correctly

 

Garry

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gwest_ca-(File Mod)    9,844

gwest_ca
Posted

You should be able to download this manual

 

Garry

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Crawdad    5

Crawdad
Posted (edited)

Thanks for the manual Garry, That gave me the diagram to route the belt correctly.

the manual I had did not show this. :D You Rock Buddy!

now about that guard within the 3 sheaves?

OK Garry, everything is in order now, Thank you very much for the help!

 

Proper belt routing (Medium).jpg

Edited by Crawdad
  • Like 4

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aw409    0

aw409
Posted

I am having an issue with attachit my snowblower to my 314-8 when I put the belt on the v pulley and belt rubs on the front axle and the belt seems nowhere near tight enough. I have bought a new belt 9750 and just ordered a new idler spring from eBay. I have the belt in the outer PTO it comes out of the bottom of the PTO, under the v pulley over the flat idler, and then under the drive pulley on the snowblower. What am I missing? Is there a smaller belt? 

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WVHillbilly520H    10,358

WVHillbilly520H
Posted
4 minutes ago, aw409 said:

I am having an issue with attachit my snowblower to my 314-8 when I put the belt on the v pulley and belt rubs on the front axle and the belt seems nowhere near tight enough. I have bought a new belt 9750 and just ordered a new idler spring from eBay. I have the belt in the outer PTO it comes out of the bottom of the PTO, under the v pulley over the flat idler, and then under the drive pulley on the snowblower. What am I missing? Is there a smaller belt? 

5/8x69" belt is correct for the single stage thrower...post #3 above shows the correct routing.

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aw409    0

aw409
Posted

Yeah I have looked at the routing and even printed the full owners manual and have gone over the routing. I can't figure out why it's rubbing on the axle. Pictures are with new and old belt

20191010_183830.jpg

20191007_122155.jpg

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WVHillbilly520H    10,358

WVHillbilly520H
Posted

The only thing I can think of is your idler tension spring is not installed correctly... Here's a couple pics of mine from a years back...

Screenshot_2019-10-10-20-31-56.png

Screenshot_2019-10-10-20-32-25.png

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aw409    0

aw409
Posted

See the spring currently on mine doesn't look that long, maybe it's the wrong one. I'm still waiting for the one I ordered to arrive. What I ordered was Toro wheel horse part 6651. I just bought the snowblower this year so this is my first time attaching it.

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WVHillbilly520H    10,358

WVHillbilly520H
Posted
7 minutes ago, aw409 said:

See the spring currently on mine doesn't look that long, maybe it's the wrong one. I'm still waiting for the one I ordered to arrive. What I ordered was Toro wheel horse part 6651. I just bought the snowblower this year so this is my first time attaching it.

The belt routing looks correct so the tension spring is all that looks suspect to me.

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