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Outdoor Power Equipment (Lawn Mowers, Snow Blowers, Chain Saws and more) Discussions

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tmac


Joined: Oct 1, 2006
Points: 9

Snow thrower belt adjustment
Original Message   Jan 26, 2008 10:28 am
After using my two stage snow thrower for about an hour to remove some wet snow I let the machine, which had performed very well, idle before shut-down and storage. While the machine was  idling I heard a loud noise (similar to that made when an auto's automatic transmission needs attention).  I removed the belt cover and ran the machine but could not see any obvious alignment problem. Does anyone have any suggestion as to what the problem might be? The machine is new and  has been used for about 12 hours.
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Snowmann


Joined: Dec 3, 2003
Points: 494

Re: Snow thrower belt adjustment
Reply #3   Jan 26, 2008 3:45 pm
tmac wrote:
Borat,

Thanks for your reply and diagnosis. I think that a better desciption of the sound would be that of a power steering unit that requires adjustment, i.e., a screeching sound. I did engage the auger and the drive. The sound decreased and ended. I do believe that it is one of the belts and will have the machine inspected when winter is over. At this point I cannot be without it for a week and it is otherwise working fine.



Sounds like the belt is creeping when declutched. Check the belt finger adjustment.

PK

nibbler


Joined: Mar 5, 2004
Points: 751

Re: Snow thrower belt adjustment
Reply #4   Jan 27, 2008 12:03 pm
Sounds like a belt tension problem. Try engaging one control at a time. When the sound goes away you will know which belt is having a problem. ITs hopefully the auger belt since the traction system isn't supposed to slip at all while the auger does allow a certain amount of adjustment.

If the auger system turns with while the engine is idling and the control is disengaged then the belt tension is too high, the idler wheel is quite loose enough and the belt is partially engaging the pulleys.
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