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Old 06-13-2013, 05:46 PM   post #16 of 21
jonmr
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Default Re: Cub cadet lt1046 pto shuts off

Theres a video somewhere on YouTube that shows a man working on the deck pullies to fix that same issue. I'll see if I can dig up the link.
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Old 06-13-2013, 05:47 PM   post #17 of 21
jonmr
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Default Re: Cub cadet lt1046 pto shuts off



There you go
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Old 06-13-2013, 05:59 PM   post #18 of 21
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Default Re: Cub cadet lt1046 pto shuts off

Quote:
Originally Posted by nathanlezpona View Post
Another issue I have is the belt that turns the blades has been popping off when I start the Pto sometimes. I have to start the pto with the deck high and then slowly move the deck down to number 3 for it not to pop off. Any suggestions anyone?
First off, check your spindle bearings. They should be tight when you try to move them side-to-side. Any play necessitates new bearings. Same goes for the idler pulleys on the deck. Bad bearings anywhere here will cause a belt to pop.

But I don't think that's your problem. Read on:

You've got the old-style 46", 3-blade deck on that tractor. How many belt tensioner arms are on that deck? The early system used one long, bent steel tensioner arm, with a pulley on top and a single spring to keep the belt tight. If you have the single-arm deck, the tensioner arm will wear out at the bushing and twist to the side, causing the belt to jump off over the top of the idler pulley. Replace a worn arm and bushing at the same time, and you should be good to go. I like to install a heavy fender washer under the deck, where the idler arm bolt goes through the deck pan, to prevent the arm from bending down again over time.

The newer-style deck looks the same on the outside, but it uses two tensioner arms and pulleys to keep the belt tight. On this style deck, the arms don't wear as badly, but they will rust in place and get stuck where they attach to the deck pan. Disassemble everything, clean the rust out with a wire wheel, be sure both arms move freely, straighten anything which has bent, and reassemble. Problem solved.

As shop manager at a Cub Cadet dealer, I've seen and fixed a lot of idler arm failures on that model. Its a pain to deal with, but it could be worse.
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Old 06-15-2013, 01:12 PM   post #19 of 21
nathanlezpona
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Default Re: Cub cadet lt1046 pto shuts off

Well sure enough, i went and looked behind the tire and saw those two wires and the red one was disconnected. Nd it was close to metal so it was deff bouncing and cutting the system off. Im going to reconnect it tomorrow and see of that does the trick but im thinkin it will. Thanks everyone again for ur help and ill let ya know for sure if that fixes that issue.

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Old 06-15-2013, 01:50 PM   post #20 of 21
nathanlezpona
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Default Re: Cub cadet lt1046 pto shuts off

Well guys it worked. I mowed for 20 min and it didnt shut off at all. If anything comes up ill let you know in the future if anything changes. Thanks again for all the input and suggestion.

JON: did u check the wires and did it work for you too?

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Old 06-18-2013, 11:10 PM   post #21 of 21
jonmr
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Default Re: Cub cadet lt1046 pto shuts off

Didn't get a chance to mow today, but I took a quick look and sure enough the red wire is broken and hanging down.

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