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Joe Edwards Posted on Sep 05, 2012
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Craftsman lt 2000 42

Belt will not engage blades. Replaced belt with proper part and routing. Belt engages pulley lightly but not enough to turn blades to cutting speed.

1 Answer

Phil Walker

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  • Master 610 Answers
  • Posted on Sep 06, 2012
Phil Walker
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Joined: Mar 28, 2011
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Hi, first check the spring that pulls on the idler pulley for lost tension then run the blades for a 10 to 15 minutes at half to full throttle. This is necessary to bed the new belt into the old pulleys. Regards Phil.

5 Related Answers

Anonymous

  • 79 Answers
  • Posted on Apr 07, 2009

SOURCE: 18 hp craftsman 2 44 inch cut engine dies when blades engage.

HI
Check wires going to safety switch under seat.

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Anonymous

  • 33 Answers
  • Posted on May 02, 2009

SOURCE: motor stops when the pto or cutting blades are turned on or engaged.

you most likely have a bad safety switch. there is one under your seat,one on engagement lever for blades,and probably one or two more in other places.start with the one under your seat by unplugging it and then going ahead with normale start up and implement engagement. you will have found the bad switch when everything works as it should.replace switch if you feel its necessary or just leave unplugged. it will not affect performance or longevity of the tractor

Anonymous

  • 2 Answers
  • Posted on Jun 20, 2009

SOURCE: Craftsman 18.5 riding mower when I engage the

craftsman decks have a positive stop adjustment for the decks. A spring atached to the blade ingadgement arm pulls the tension pully into position if the cable is rusted inside the sleeve it wont put enough pull on the ingadgment pully and thus the blades dont spin full force the belts on the mowers have no adjustments only the pully . second thing is you may want to drop the deck and clean around that pully by scraping any rust off the surface under the pullys slide good luck

Anonymous

  • 1111 Answers
  • Posted on Aug 07, 2009

SOURCE: G-110 deck belt keeps jumping off pulleys

check for a broken belt tension er or maybe grass clippings under belt area, check for a broken or loose pulley bearing, even a bent shaft on the deck.

Anonymous

  • 138 Answers
  • Posted on Aug 25, 2009

SOURCE: need a blade engagement cable diagram for a 2002 craftsman lt1000

as far as i know, there is no diagram available for the cable replacement. it is covered briefly in the owner's manual, but the best way to do it is to study carefully how the old one is routed, and replace a step at a time

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0helpful
2answers

Replaced all mower deck parts ,blades and belt but blades stay engaged all the time!

Sounds like the belt might be smaller/shorter than the required belt, not providing enough clearance to the spindle pulley(s) when tension is release. Might verify correct routing of the belt as well.
Nov 13, 2021 • Garden
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I have a 52" Husqvarna LGT 2654 riding lawn mower and when I engage the blades, the belt does not turn the pulley system. What could be causing this, the pulley idlers, or the belt?

depending on the age of the machine, there could be several possibilities
1-- belts are not tight enough--- belt tension system is not correct, wrong length belts
2--bearings for the shafts for the blades are rusted up and seized - preventing the blades from moving--- switch the machine off , disengage the belt drive and see if you can turn the blades by hand
3--- if you have an electric pto system to drive the belts to the blades then that system is not getting full power to engage the PTO or the clutch is not working--worn facings
take it to a service dealer and have a proper diagnosis done
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CRAFTSMAN Tractor Model%23 917257643 adjust idler pulley. I have the above lawn tractor. One day the mower belt shredded. I got another one and when I engage the mower it starts to shred. I think I need to...

First things first! Before you installed the new belt, did you check the blades and idler pulleys to see if they all turned freely with no resistance while the belt was off and the blade brakes released? Release the blade brakes by engaging the handle with the engine off!
When you installed the new belt, did you put the back side of the belt against the flat pulleys and the inside of the belt in the V-pulleys? Did you double check to make sure you didn't inadvertently miss a belt guide getting the belt on the outside of it instead of underneath it. Did you look at the picture in your owners manual to make sure you had it routed correctly and make sure it is not rubbing against anything when you have the blade lever engaged? CHECK THIS WITH THE ENGINE OFF If you don't have your owners manual, look under the foot boards on the tractor, many of the Sears tractors have the routing diagrams there. If it is not there you can go to searspartsdirect.com , enter model number 917.257644 (NOTE the number difference) and look at the picture of the deck, it shows what the belt should look like when it is installed. You can also download an owners manual there. As best as I can remember, there is no adjustment for the idler pulleys.
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I have a Craftsman Mower and blades won't engage

Yes, that would make a difference. I have seen the pivot point get rusted and dirty to the point that they wouldn't tension the belt enough. Locate the bolt where it pivots and loosen it just a little, then see if the belt gets tight. It must be really tight when engaged almost like a fan belt on your car in order for it to work. I would also recommend that you take a close look at your belt. It could be burned and have a flat spot since it has apparently been slipping. A flat spot on the belt will cause major vibration when the blades are turning.
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How do I change out the primary belt on a Craftsman 17.5 hp 42" mower? The new belt is around the pulleys but it is very loose.

This belt is easist to install with the deck all the way down. Make sure there are no burrs on any of the pulleys, (will eat up your new belt in short order), also make sure that the 2 drive pulleys for the blades turn freely, (may have grass impacted around them, you may need to remove the 2 guards on top of the deck to clean, (if they do not spin eaisly). Triple check to make sure the belt is properly routed, one mistake and your belt is broken as soon as you engage. With the engine OFF, engage blades to check tension. If the belt is still loose, you likely have it routed incorrectly.
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42 inch Craftsman blades won't engage

model 917258862 mower was given to me. sat outside numerous years. I've managed to get it to start run and drive, but cant get blades to engage. don't know what the wires are for or do that go to some sort of pulley attached to the bottom of motor. can somebody help me pls ?
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Belt replacement LT2000 Model917-273750

Are you saying the blades start turning when you crank your mower? If so, you either have the wrong belt (should be # 144959) or have it routed incorrectly. Belt should go straight across the back between the spindle (blade) pulleys, then, in front of those, to the inside of both smaller, idler pulleys and then to the engine. Be sure to work the belt down between the pulleys and the flat, metal belt keepers on each idler pulley.
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I have a craftsman riding lawn mower model 917258572. i just replaced the belt and it will not engage. i asked for a manual and someone did give me a link, but the page i think i need (22) would not...

First of all, did you get the correct belt, 144200? Do you have it routed right? The belt goes straight across the back between the two blade pulleys then to the inside of the two idler pulleys on each side in front of the blade spindles (pulleys), then to the engine. The smaller idler pulley on the left side is stationary, the one on the right swivels to tighten the belt when you engage the lever on the dash. That should give you something to check out. Good luck. Dwain
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