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Blower motor stopped working

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Manipal92, Oct 13, 2018.

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  1. Oct 14, 2018 #11
    Manipal92

    Manipal92 Bobtail Member

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    Really appreciate your help spsauerland, I will try changing the motor now, but currently I was working on resister. I thought that might be it. It was really hard to take it out. Is there gonna be any harm, If I leave it hanging in its little compartment and don’t bolt it.
     
    Manipal92, Oct 14, 2018
    Manipal92, Oct 14, 2018
    #11
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  3. Oct 14, 2018 #12
    spsauerland

    spsauerland Road Train Member

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    The resistor is located in the air duct to keep it cool being they produce quite a bit of heat. Ok for troubleshooting, not okay for operation.
     
    spsauerland, Oct 14, 2018
    spsauerland, Oct 14, 2018
    #12
    Manipal92 Thanks this.
  4. Oct 14, 2018 #13
    Goodysnap

    Goodysnap Road Train Member

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    If you do find melted blower switch connections or blower wiring connections there is almost always excessive current draw from the blower motor.
     
    Goodysnap, Oct 14, 2018
    Goodysnap, Oct 14, 2018
    #13
    Manipal92 Thanks this.
  5. Oct 14, 2018 #14
    Manipal92

    Manipal92 Bobtail Member

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    Thanks Goodysnap , my switch seemed okay, When my motor failed, It worked for 2-3 seconds after I switched it on and then stopped and didn’t worked again at any setting

    Does anyone know if can it be replaced by bunk heat motor , My bunk heat is bypassed anyways.
     
    Manipal92, Oct 14, 2018
    Manipal92, Oct 14, 2018
    #14
    Goodysnap Thanks this.
  7. Oct 15, 2018 #15
    Rideandrepair

    Rideandrepair Road Train Member

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    Make sure the fan spins same way and fins oriented same. I put bunk fan on cab in Freightliner had to change the only obvious difference the plug.My wife kept saying ever since you changed the fan it hasn’t worked right!!! I’m telling her that’s impossible. Then it hit me, swapped wires around to run in opposite direction. Explains the different plugs.
     
    Rideandrepair, Oct 15, 2018
    Rideandrepair, Oct 15, 2018
    #15
    Manipal92 Thanks this.
  8. Oct 15, 2018 #16
    Goodysnap

    Goodysnap Road Train Member

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    I'm pretty sure the blowers are totally different on the T600 from bunk to cab. Isn't the T600 a dual cage though shaft motor? Pretty sure the bunk is traditional. A call to parts will confirm for sure.
     
    Goodysnap, Oct 15, 2018
    Goodysnap, Oct 15, 2018
    #16
    Manipal92 Thanks this.
  9. Oct 15, 2018 #17
    Manipal92

    Manipal92 Bobtail Member

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    Yea It’s a dual cage, not sure yet what is in the bunk.
     

    Attached Files:

    Manipal92, Oct 15, 2018
    Manipal92, Oct 15, 2018
    #17
  10. Oct 15, 2018 #18
    Goodysnap

    Goodysnap Road Train Member

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    Yikes.... I'd be eliminating those taped connections and spade terminals. You might find a surprise inside.
     
    Goodysnap, Oct 15, 2018
    Goodysnap, Oct 15, 2018
    #18
    Manipal92 Thanks this.
  11. Oct 24, 2018 #19
    Manipal92

    Manipal92 Bobtail Member

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    Thanks everyone for help, finally got it working, It was a bad motor, which bench tested okay.
     
    Manipal92, Oct 24, 2018
    Manipal92, Oct 24, 2018
    #19
    Goodysnap Thanks this.
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