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Discussion Starter #1
Hey everyone,

So I've got a 20(ish) year old Deere LX178 that I use at my shop for mowing and stuff. The machine has started making a noise that is a bit troubling. Its perfectly fine when the parking brake is set or the brake pedal is depressed. But once I let off the brake pedal it starts making a bit of a squealing / grinding sound (maybe a bad bearing or something?). Otherwise it works fine, it still mows and everything and the hydro doesn't feel weak at all or anything like that.

I'm wondering how the motor connects to the hydro trans on this unit and if there is a belt or something? Maybe I've got a bad bearing in the mix in there? Any ideas would be greatly appreciated!!

Thanks,

Dan
 

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I'll bet there's a pulley (tensioner or idler) that has a bad bearing. Have you checked under it yet? Sometimes a simple visual and hand checking of the pulleys will reveal a bad bearing. Simply set the brake (tractor not running) and spin each pulley by hand. It's a quick and easy process.
 

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Discussion Starter #3
I'll bet there's a pulley (tensioner or idler) that has a bad bearing. Have you checked under it yet? Sometimes a simple visual and hand checking of the pulleys will reveal a bad bearing. Simply set the brake (tractor not running) and spin each pulley by hand. It's a quick and easy process.
Thanks dieselshadow,

I'm was just out looking at it and I can see and feel the belt (above the mower deck belt), but I can't get to it easily yet. I'm going to go back out later and drop the deck and try to get the front end in the air a bit so I can get under it and get a good look. I'll try spinning the pulleys by hand and let you know what I find.

Thanks!
-Dan
 
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