Drive belt

The belt and pulleys were replaced 2 years ago. I'm sure the belt is routed correctly. I imagine it's possible that the pulleys that I purchased were not the best quality. I will have to remove the deck and crawl under and check it all.
Any ideas for a reliable source for the belt and pulleys, if needed? The current ones were purchased from eBay.
Thanks
Buy your parts from a reputable supplier. eBay and Amazon aren't 100% reputable.
Parts Tree sells quality parts.
Sellers who carry Stens or Rotary parts are also good choices.
You will definitely need to get your deck out of the way to check everything.
Also, look at where the transmission bolts to the frame. Look for any cracks.
 
take your time and don't fire the parts cannon without going thru the things that have been mentioned.
 
Buy your parts from a reputable supplier. eBay and Amazon aren't 100% reputable.
Parts Tree sells quality parts.
Sellers who carry Stens or Rotary parts are also good choices.
You will definitely need to get your deck out of the way to check everything.
Also, look at where the transmission bolts to the frame. Look for any cracks.
Will do that, thanks!
 
The past 2 times I have mowed the lawn, the drive belt on my riding mower (Ariens 42" hydro) has come off the idler pulley. This only happens after the mower is shut off. This pulley has a guard, so I don't understand how it's coming off. The belt is a few years old now, and it doesn't show any wear. This is the first season that it's happened.
Any ideas?
Thanks 👍
I don't know all the different models. That said, any model with a brake shoe that rests against a pulley has a change in belt geometry when the brake wears. If this model has such, then check it. If it does not, ignore this as a possibility. That said, below is a diagram of that model number. Check part #63. In this fiche image, pulley #145 changes position as the brake pad #63 wears.

View attachment 73973



Replace the belt....
 
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