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  #1  
Old 10-11-2022, 11:23 AM
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Default 2009 LTX1045 with 46" Deck - pulley misalignment

Hello again,
As the subject says I have a 2009 LTX1045 with 46" Deck
Have been mowing for a couple months with this 1045 and just recently shredded a deck belt. No worries, buy another (correctly sized) 954-04219 deck belt.
Within minutes of use I smelled burning rubber. Got back underneath and its looking to me like the deck idler pulley on the right side in drawing is misaligned. It appears to be parallel with the ground when viewed from the side which causes the belt to rub hard on the upper lip of the pulley and may be rubbing on the pulley belt guard.

Should the arm on the right pulley shown in the drawing be angled up toward the engine pulley? Again, mine is flat however I can lift it easily making me think its supposed to be angled when in use ??

learn me.
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Old 10-12-2022, 08:59 AM
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I found a video that describes my problem exactly. Going to try this out.

YouTube: Cub Cadet Riding mower LTX1045 Deck Belt Keeps Falling Off Fix Solved
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Old 10-19-2022, 07:36 PM
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well that video sounded like it identified my issue but it didn't. After 20 minutes with a brand new belt the belt shredded again. All pulleys spin freely. Spindles also. Stumped. Belt seems really loose when first installed. How tight is the belt supposed to be when not engaged?
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Old 10-20-2022, 08:07 AM
West Valley G West Valley G is offline
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I would think that disengaged the belt should be tight enough that you can
spin the whole deck by turning the belt by hand. That is unhooked from the
mower drive belt also.
Ok never mind on that bit of advice, now that I relook at the drawing of your deck
I was thinking 2 belts. Is it possible the problem is at the PTO and not at the deck?



Ken
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Old 10-20-2022, 05:28 PM
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This GT has a manual engagement setup. So unless I'm missing something, the "PTO" pulley is simply an extension of the output shaft from the Kohler lump.
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Old 10-20-2022, 09:55 PM
West Valley G West Valley G is offline
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PTO still has to engage and disengage. If it is not working the way it
is supposed to it could cause trouble with the belt for sure. I would make sure
the PTO is spinning as it should. Just thinking out loud here.



Ken
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Old 10-22-2022, 12:04 PM
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I have just realized that the 6" long belt tension spring is missing!
Not sure how I missed this earlier.

https://www.youtube.com/watch?v=Z4C1jYr___s
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