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1050 LTX 2012 model. no tension on mower belt

Customer Question
1050 LTX 2012 model. no tension on mower belt
Submitted: 3 years ago.Category: Small Engine
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Customer reply replied 3 years ago
I have replaced the belt numerous times. the pulleys on the back were replaced last year by service tech. When I put on the belt today and ran it there was little tension on the belt. Do the pulleys on the back go past the back bracket they are on?
Answered in 1 hour by:
5/31/2015
Technician: Donald, Small Engine Technician replied 3 years ago
Donald
Donald, Small Engine Technician
Category: Small Engine
Satisfied Customers: 2,601
Experience: I have 25+ years of experience repairing 2 & 4 cycle engines
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Hello and thank you for choosing Just Answer. My name is ***** ***** I will do my very best to get you the answer you need to your question.
Can you get the model numbers from under your seat for me?
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Customer reply replied 3 years ago
model # ***** SERIAL # *****
Technician: Donald, Small Engine Technician replied 3 years ago
I was unable to pull up your mower with the numbers you posted. Can you double check your model numbers?
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Customer reply replied 3 years ago
13WQ91AP056 MODEL #
SERIAL # *****
Customer reply replied 3 years ago
CUB CADET 1050 LTX BUILT 03/2012
Technician: Donald, Small Engine Technician replied 3 years ago
Thank you. That worked for me. I will attach an image for you. It will not take very long.
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Technician: Donald, Small Engine Technician replied 3 years ago
Click on the link to view it.
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Customer reply replied 3 years ago
THAT IS IT. WHEN I HOOK UP BELT THERE IS NO TENSION ON BELT.
Technician: Donald, Small Engine Technician replied 3 years ago
In the image, you will see your idler bracket. Check to see if your idler bracket pivots freely, back and forth, on your shoulder spacer. If is your idler bracket is partially seizing or binding, this can prevent your belt from being as tight as it needs to be.
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Technician: Donald, Small Engine Technician replied 3 years ago
Your idler bracket has a spring, and an idler pulley bolted to it. These three parts are responsible for keeping your belt tight at all times.
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Customer reply replied 3 years ago
YES IT PIVOTS FREELY. THE BOLT ON THE 55 PULLEY RUNS THROUGH THE PULLEY AND I CAN HAVE IT EITHER IN FRONT OR BEHIND THE IDLER BRACKET.
Technician: Donald, Small Engine Technician replied 3 years ago
Do you use your mower on a regular basis?
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Customer reply replied 3 years ago
YES WEEKLY
Customer reply replied 3 years ago
TIRED OF SPENDING $50 FOR BELTS ABOUT 5 TIMES A YEAR.
Technician: Donald, Small Engine Technician replied 3 years ago
Are you using OEM belts? I am assuming that you are routing your belt correctly.
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Customer reply replied 3 years ago
OEM BELTS? I BUY THEM FROM HOME DEPOT WHERE I BOUGHT THE RIDER. YES ROUTING CORRECTLY. HERE IS A TYPICAL YEAR, I GO THROUGH 4 OR 5 BELTS BEFORE ONE LAST ME THE REST OF THE YEAR. I BELIEVE I INSTALL THEM ALL THE SAME.
Technician: Donald, Small Engine Technician replied 3 years ago
Thanks for this information. I would like to confirm something. You have put on a new belt, and the new belt is too loose (no tension), to spin your blades as normal?? Please keep in mind, that my questions are for troubleshooting purposes only.
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Customer reply replied 3 years ago
YEP. THERE IS NO KICK IN WHEN THE PTO IS ENGAGED. THE BLADES TURN LIKE I AM CONSTANTLY DRIVING IN VERY TALL GRASS. IS THERE A DIFFERENCE IN BELTS?
Technician: Donald, Small Engine Technician replied 3 years ago
As long as you are using OEM belts, with the correct part numbers, your belt is okay? Take a look at part #51 in the image. Are these the pulleys that your service tech replaced for you?
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Customer reply replied 3 years ago
HE REPLACED THE PULLEYS ON THE IDLER BRACKET. NOT THOSE. HOW SHOULD THE IDLER ARM BRACKET GOING TO THE SPRING BE SITUATED? SHPOULD IT BE STRAIGHT IN LINE WITH SPRING TO BOLT HOLDING SPRING OR TO THE RIGHT OR LEFT?
Customer reply replied 3 years ago
THAT IS NOT MY DECK.
Technician: Donald, Small Engine Technician replied 3 years ago
That does not match your deck? Let me check again.
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Customer reply replied 3 years ago
I BELIEVE THAT IS THE RETRO TO THE MY DECK AFTER 2012
Technician: Donald, Small Engine Technician replied 3 years ago
My manual does not show another LTX Series deck. I would like to make some suggestion for you.
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Customer reply replied 3 years ago
MY MACHINE WAS BUILT IN MARCH OF 2012
Technician: Donald, Small Engine Technician replied 3 years ago
I suggest that your remove your deck from your mower, and remove your deck belt. Spin each one of your three Spindle Assemblies by hand. Listen for a worn, partially seizing, or noisy bearing. Spin both of your idler pulleys by hand, and make the same observations. Also observe, to see if your belt is running deeper inside each of your three spindle pulleys, and your pto clutch pulley. If your pulleys are worn in the inner running surfaces, this will cause your belt to be looser than usual.
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Technician: Donald, Small Engine Technician replied 3 years ago
Worn bearings and pulleys, will cause your belt to wear prematurely ...
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Customer reply replied 3 years ago
I WILL TRY TOMORROW
Customer reply replied 3 years ago
I DON'T HAVE TO REMOVE BELT IT BROKE TODAY.
Technician: Donald, Small Engine Technician replied 3 years ago
I believe you will find something wrong, when you try my suggestions on tomorrow. This is what I would do, if I was actually, physically working with your mower. Keep me posted on your progress.
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Technician: Donald, Small Engine Technician replied 3 years ago
After three years, it will not be unusual to find a worn bearing, or pulley on your deck.
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