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Scag W/B Wont disengage Blades.....

Discussion in 'Mechanic and Repair' started by EWeezY01, Aug 18, 2011.

  1. EWeezY01

    EWeezY01 LawnSite Member
    Messages: 1

    Yep thats right. My Scag Walk Behind will not disengage the blades. (permanetly on)
    I have checked all the wiring and have replaced the PTO switch. I also have tried disconnecting any and all safety switches to get it to swicth off, but nothing. I on the other hand have just got over 500 hrs on it and according to the manual it says to adjust the air gap on the clutch....

    i know there are 3 main mounting points on the clutch but does any body have any ideas what it could be or what my next step should be?

    I have searched the forum.....
  2. Restrorob

    Restrorob LawnSite Fanatic
    Messages: 11,029

    When looking up under the unit at the clutch you have a lower bearing and a upper bearing, When the upper bearing fails/locks up it causes the deck to run continuously.

    Some of these bearings can be replaced depending on skill level and having proper shop tools/equipment for the job.

    Here's a post I made years back on clutch adjustment once the bearing failure is resolved; http://www.lawnsite.com/showpost.php?p=1463590&postcount=2
  3. BigFish

    BigFish LawnSite Gold Member
    Messages: 3,564

  4. BigFish

    BigFish LawnSite Gold Member
    Messages: 3,564

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