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Thread: 412 coolant pump wiring help needed

  1. #1
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    412 coolant pump wiring help needed

    Asked before but havnt bothered as Ive not needed coolant until now.
    when my machine was delivered the coolant tank and pump were disconnected. Ive built it all up but coolant does not work.
    pump motor is turning, and Ive tried priming rthe pump but still no flow.

    for info the 3 phase is wired as follows.
    left hand connector blue wire with #208.
    middle connector brown with #207
    right hand connector blue with #206

    could someone check the wiring diagram for me as I dont have a copy, thanks


  2. #2
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    Swap over two of the wires.If it still doesn`t pump it`s goosed.
    Mark.


  3. #3
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    sods law..

    3 terminals.
    3 wires 1 black, 1 brown , 1 blue.

    I had to pick the only combination that didnt work!!
    what didnt help is the only nozzle with a pipe on was the only one that does not work, now working good


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