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IndustryArena Forum > MetalWorking Machines > Haas Mills > VF-1 Alarm 142 A motor Z fault
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  1. #13
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    Quote Originally Posted by beto81 View Post
    Thank you for the pictures. Really helped me on disassembling the rotary. The encoder part# that 77678-007 have for your HRT7 is the same as mine for the HRT11.

    I am almost positive that it should also be the same as the HRT5.

    Is their a procedure to reset and install the new encoder or is it just plug and play?
    Haas can not find the encoder with the part# 77678-007. My HRT11 has a serial# stamped on one of the top 2 slots, but haas says it comes up as a VF3 Machine and not a rotary.

  2. #14
    Community Moderator Al_The_Man's Avatar
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    Dec 2003
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    23190
    If you know the resolution of the encoder, there are quite a few through-hole encoder manufacturers, Renco or even a $35.00 US digital would sub.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.

  3. #15
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    Haas Factory Support

    Quote Originally Posted by beto81 View Post
    Haas can not find the encoder with the part# 77678-007. My HRT11 has a serial# stamped on one of the top 2 slots, but haas says it comes up as a VF3 Machine and not a rotary.
    What is the serial number?
    Thanks,
    Ken Foulks

  4. #16
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    Haas rotary

    Quote Originally Posted by KenFoulks View Post
    What is the serial number?
    Rotary stamped# is 11087. Haas said that part# 77678-007 was replaced with 60-1800C encoder. I ordered it but it was for a 5/16" motor shaft and not for a 1/2". Was told that I may need to change motor with 5/16" shaft. Still looking.

  5. #17
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    Beto
    You were able to find encoder?
    If so, where?
    I need same part.
    Appreciate lead.
    Rooby

  6. #18
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    Sep 2011
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    Smile Encoder

    Yes bought it at Allendale machinery systems. Their phone# is 201-327-5215. My problem was a motor fault. So I bought the motor and came with a new encoder. Need to check first if motor does not have a short. I used a ohms meter. Allendale can help you with that procedure. Hope it helps.

  7. #19
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    Jul 2009
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    Thanks Beto!
    Regards
    Robby

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