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  #1  
Old 09-05-2020, 12:01 PM
Esand323 Esand323 is offline
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Join Date: Sep 2020
Location: IN
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Default Trouble getting proper tension on new belt
Hi all,

I have a 1450 50" riding mower that I purchased recently. The old belt on it was pretty worn and had to be replaced this past week. I went to a local dealer and they gave me a new 3/8" x 80" belt (part number: IH-490489-R2). I went ahead and put it on, but the idler rachet is showing that the belt tensions need adjustment as it is too loose.

20200904_185729.jpg

I've been tightening the tension bolt, but the idler rachet is still just sitting in the same place. I was expecting the idler rachet gauge to start moving and show it getting tighter. I've tightened enough to where the tension bolt is getting close to the end of the threads and it's angling downwards.

You can see in this picture how much I've tightened the bolt, but no change.

20200904_185915.jpg

Any idea what I can do?
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Old 09-05-2020, 01:12 PM
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Billy-O Billy-O is offline
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Is this new belt the same length as the old one? And secondly, I heard of some cub cadet mowers have a speed-up pulley on the decks... which is smaller and needs a shorter belt. I'm not so sure but it's worth checking.
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Old 09-05-2020, 02:21 PM
Dart1917 Dart1917 is offline
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My 1450's with 44's run the 59971-c1 belt 3/8 x 78. They all have the smaller "speed-up" pulleys on them. 44" or 50" shouldn't make a difference.
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Old 09-05-2020, 02:38 PM
Esand323 Esand323 is offline
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Thanks for the replies. Yeah it looks like the belt that was ordered is slightly larger. I guess it should have been 78" and not 80". The dealer I went through apparently called Cub Cadet and got the correct belt from them. Not sure I can get my money back since it was a special order, even though they must have ordered the wrong size.
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