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  1. #1

    Join Date
    Jun 2019
    Posts
    1
    Location
    Maryland
    Mower
    John Deere

    Auto safety blade shut off

    First time posted here. I am hoping I can find advice on how to defeat the safety feature that turns off the blades when going in reverse. I have a2012 JD X300.

  2. #2
    LawnWorld Support Catherine's Avatar
    Join Date
    Jun 2015
    Posts
    1,386
    Location
    California
    Mower
    Kubota

    Re: Auto safety blade shut off



    Welcome to the forum!

    I'm going to move this thread over to our John Deere section.
    Catherine
    LawnWorld Support

  3. #3

    Join Date
    Nov 2014
    Posts
    11,436
    Location
    Australia
    Mower
    Victa slashers & Push , Rover Rancher II's, Cox ( several ) & White LT120 + GT 200

    Re: Auto safety blade shut off

    I never tell anyone or even advise anyone to defeat a safety switch no matter how stupid & useless it is like the MIR system.
    I will tell you how it works. what you choose to do then is your business.

    Somewhere there is a plunger switch which when activated will either make a circuit or break a circuit.
    It has to be placed somewhere easy to access where a control arm can hit and depress plunger.
    So the best place is on the tranny.
    Usually it will be a normally open switch so an arm depressing the plunger closes the switch and creates a ground path for the magneto coil which kills the engine.
    Better ones use a relay to power the blade clutch & the switch trips the relay to turn off the blades.

    They are always ground circuits

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