Question about Craftsman 20 Hp 42" Deck Lawn Tractor

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How do i tighten the belt on my riding mower - Craftsman 20 Hp 42" Deck Lawn Tractor

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: how to install mower deck belt on a lt1000 craftsman riding mower

The manual will cover it.

http://www.disruptit.com/manuals/L0104168.pdf

Posted on Apr 06, 2009

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SOURCE: Craftsman riding mower loose belts need tighting

http://www.disruptit.com/manuals/L0403195.pdf

Here ya go.

Posted on Apr 06, 2009

woobie dog
  • 1273 Answers

SOURCE: How do I tighten the mower belt on a lt1000?

It is kept tight by a tensioning pully. If it is loose, replace it.

regards, --W/D--

Posted on Jul 21, 2009

  • 3911 Answers

SOURCE: How to adjust a belt on a 17.5 ryobi 42 in riding

drop the deck and take a long look at the drive belt. somewhere along its path you will see a spring loaded arm with a pulley on the end. that arm is the tensioner, if it is not keeping adequate tension on the transmission end of the belt then either you are using the wrong belt, the spring has been taken off and put back on wrong, or the spring has just lost its springiness. You are going to have to figure out which problem and remedy it. Mower parts are common and are sold at small engine repair shops which you can find in the phone book or with a google search.

one other possibility is that someone has removed the drive belt and put it on incorrectly. there are generally guides close in around the front pulley to keep the belt from jumping off, and it has happened before that someone has unknowingly put a new belt on over instead of under the guide. you have to look close to see this.

Posted on Sep 08, 2011

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1 Answer

Is there a way to tighten the belt?


Don, there is usually a spring loaded tensioner to do this, the belt may be stretched and needs replaced, or some pulleys actually are now wear items and may need replaced. Check the video links below, some models are adjustable.
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
Mower belt tensioner repair question to the Garage Gang

http://support.mtdproducts.com/app/answers/detail/a_id/563/~/deck-drive-belt-tension-adjustment---riding-mower-(step-thru)

Tightening the belt on John Deere L110 Tractor

Mowing Deck Belt Replacement On Husqvarna LR12 Lawn Tractor


Apr 20, 2016 | Garden

1 Answer

How to adjust tighten drive belt on Poulan riding mower with 18 hp b&s motor 42 deck


Probably needs a new belt.You can buy a belt dressing and spray the belt once in a while. Its a special sticky spray for belts that slip.
That will keep you going for a little while.

Apr 11, 2015 | Poulan Garden

1 Answer

How to tighten a craftsman LT1000 belt ?


There is an idler pulley that engages the mower deck and tightens the belt automatically on your model. Check to make sure the belt is routed correctly, return spring is in place and that your cable is operating smoothly.

Jul 19, 2014 | Craftsman Garden

1 Answer

How do you tighten the belt on a 12.5 hp steel sleeve murray riding mower?


you cant tighten the belt if everything is working . if belt is slipping its either the wrong belt or its stretched and will need a new one.

Oct 20, 2009 | Garden

1 Answer

Tighten belts on my Yard machine ride on lawn mower


There is rarely any adjustment to tighten the belts on a riding mower. The belts are tensioned by an idler pulley which is controlled by a idler pulley spring. Almost all riding mower belts must be accurate to the hundredth of an inch or no less than accurate to 1/8th inch. It is very rare for a belt to be in full inch increments. This is why automotive or general purpose belts will not work on a riding mower. I know it is tempting to try to get by with a $10 belt rather than spending $35 or more for the correct belt. Trust me, you will only waste your money trying to get by with the inferior belts. Riding mower belts and extra heavy duty and generally will not stretch at all. Generally they will have 5 or more strands of a Kevlar type material so that stretching is virtually non existent. If the belt will not tighten then it is most likely not the correct belt. If the belt is in fact the proper belt and still is too loose, then you should look for pulley wear or weak tension springs. Metal pulleys do wear and tension spring do loose tension.

Sep 12, 2009 | Mtd Garden

1 Answer

How do I tighten the mower belt on a lt1000?


It is kept tight by a tensioning pully. If it is loose, replace it.

regards, --W/D--

Jul 20, 2009 | Craftsman 17.5 hp 42 in. Deck Lawn Tractor...

1 Answer

Husqvarna yth2448 riding mower


you probably need to adjust the tension. if you look somwhere near the drive belt then you see a spring. tighten the spring to tighten the belt.

Jun 20, 2009 | Husqvarna Zero Turn Mower Z5426

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