craftsman 12.5hp lawn tractor

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  #1  
Old 10-02-08, 05:27 PM
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craftsman 12.5hp lawn tractor

i have a 12.5hp craftsman lawn tractor my problem is that when i start it up the blades are going can someone please tell me what i can do to fix the problem.
 
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  #2  
Old 10-02-08, 05:58 PM
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Don't start it! lol, can you post the model number off your unit, this will be helpful in giving you suggestions of possible problems to check out.
 
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Old 10-02-08, 06:03 PM
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model #944605020 and the serial #101094E 001445 hope this will help
 
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Old 10-02-08, 06:38 PM
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Sorry, Nothing But Questions

Is this by chance a Canadian model??

I can't find any info on the Sears Site.

Not knowing what company manufactured it for Sears, really limits what I can suggest.

Is this a front engine riding mower?

What is the mower deck cutting width?

How many blades does it have?

How many belts drive the blades?
 
  #5  
Old 10-03-08, 06:29 AM
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it is a sears canada make but made in the states it is a front engine tractor the deck is 38 inch 2 blades and there is 2 belts
 
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Old 10-04-08, 11:27 AM
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correction about the belts there is just 1 big long belt and it is not tight there is play with it.
 
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Old 10-04-08, 09:34 PM
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Look on the mower deck for an idler arm that moves to apply tension to the blade belt when the blades are engaged. It may be attached to the lever by a metal rod or a cable. Check to see that the idler arm moves freely to engage and release tension on the belt. Rust or corrosion can cause the idler arm to bind and not release properly.

There is usually a return spring to pull the lever back from the engaged position once tension from the engagement lever is released. There are usually brakes on each spindle that apply pressure to the drive pulley's on the blade spindles to help keep them from rotating when the blades are disengaged. Check the brakes to see if the friction material is in place and that they are contacting the pulleys when blades are disengaged.
 
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