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mml4


Snow is good,
Deep snow is better!


Joined: Dec 31, 2003
Points: 544

The "gnashing" noise is still there
Original Message   Jan 23, 2005 9:57 pm
I have adjusted the auger belt on my twostage blower according to the manual by subtracting the distance of the relaxed spring from that of the spring extended when the auger handle is fully depressed. I have gone over this many times and am sure of two things :

1)It is adjusted to spec correctly as shown in my manual

2)There is too much play in the belt

I realize that there is a difference between machines but if you were to depress the auger handle all the way and push the belt with your finger from the side about how much play should there be? My manual does not give that measurement. It only gives the spring length differential. I have determined by running the machine with the belt cover off that there is way too much play  in the belt and that under load the belt vibrates excessively causing a gnashing sound which is caused  partially by the screech from the belt slipping combined with the belt bouncing off the spring steel belt guard.  

I know that when you set the tension on a fan belt in a car the spec called for a certain distance when you pushed on  the belt with your finger. The belt on my blower has about 2 inches of play when the auger is depressed. This appears to be too much. My machine is a preMTD TroyBilt model #42010. It has only been in service for one season and the noise is getting progessively worse.The noise is present for a moment when you engage the auger and then is constant if you load the auger fully as when doing the eod.

The machine throws snow like a champ but the noise is driving me nuts,

Marc

This message was modified Jan 23, 2005 by mml4


SnapperV210P,Toro22177,TroyBilt42010Snowthrower,Craftsman Shredder,American Turbo Pressure Washer HondaGX200,Stihl011Saw,EchoPas260Trimmer Edger,EchoPB602Blower,EchoHCR150Hedge Clipper
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navihawk


Joined: Jan 17, 2003
Points: 1318

Re: The "gnashing" noise is still there
Reply #7   Jan 24, 2005 5:15 pm
The belt is loose.When its engaged it feels loose too.I think what you feel is the spring tension.Is the engage pully bouncing back and forth when you push on the belt?That screach is probably the disk hitting the plate.Everythings probably OK,MM.
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