Bosch motor

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  • #29568
    rocker
    Participant

    Have a bosch motor fitted with sprung loaded motor brushes, have taken motor apart to test field coils ok, but there is a small electronic part with 3 legs connected to coils..I cannot get any reading with meter, not sure what this part is, perhaps a thermal fuse!!! can anyone please let me know. and should there be a circuit reading between them.

    #223655
    Martin
    Participant

    Re: Bosch motor

    rocker wrote:but there is a small electronic part with 3 legs connected to coils..I cannot get any reading with meter

    You won’t….it’s the Tacho pick up! The thermal fuse is the small chrome rectangle (hard wired) on the brush housing nearby! 😉

    #223656
    rocker
    Participant

    Re: Bosch motor

    Cheers Martin, learn something new all the time. John

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