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Thread: Old Autohelm 4000 Control Head With New Raymarine EV-100 Wheel ?

  1. #1
    Sustaining Partner
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    Old Autohelm 4000 Control Head With New Raymarine EV-100 Wheel ?

    My ancient Autohelm 4000 wheel pilot no longer works unless he clutch lever is held in place with a bungee cord. So far I have changed the belt and the idler/tension wheel and fiddled with the adjustment screw to no avail. I have finally come to the conclusion that after 30 years its probably time for a new one.
    Does anyone know if the new Raymarine EV-100 wheel will work with the old Autohelm 4000 control head ?
    1987 34-2
    Tortuga
    Universal M25XP

  2. #2
    Principal Partner Afrakes's Avatar
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    4000 wheel

    I have a rebuilt spare. I'll dig it out and photo it.
    Al Frakes
    1987 E-28 Reba Gee
    Hull #663
    Port Kent, NY

  3. #3
    Contributing Member III
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    Before I did a complete upgrade, my old Autohelm wheel unit broke apart. I replaced the wheel unit with the EV-100 wheel and kept the old Autohelm control head. It worked fine. Eventually I did install the complete EV-100 system and would highly recommend it. The enhanced motion sensor and computer control does a much better job of course keeping under a variety of conditions. But naturally you will spend more, and there is more rewiring involved, which is what held me back initially.
    1988 E38-200 (hull no. 262)
    "Dark Star"
    Jersey City, NJ

  4. #4
    Principal Partner Afrakes's Avatar
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    4000 wheel

    This unit was professionally rebuilt.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Al Frakes
    1987 E-28 Reba Gee
    Hull #663
    Port Kent, NY

  5. #5
    Sustaining Member
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    If belt tension is the issue the replacement belt could be the problem ..... When my wheel pilot belt broke on my older unit, I had to order a belt via the internet as OEM didn't exist. Although on first glance it seemed the right size, it was about 1/4 inch too big in circumference, too big for the adjustment screw to properly compensate. I cut rings from plastic irrigation pipe and using a heat gun, sweated them over the clutch engagement wheels to increase their diameter. I worked well and I saved the cost of a new A/P

  6. #6
    Sustaining Partner alcodiesel's Avatar
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    JSM< for what it's worth I paid $1000 for a complete new EV-100 wheel, head, everything at West using their price matching policy. I printed an ad from some Hong Kong dealer selling it for that price. West gulped and honored it. Might I suggest get the whole thing new and be done with it.
    Bill McLean,
    '76 E27 #879, Atomic 4
    Norfolk, VA

  7. #7
    Sustaining Partner
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    Thanks everyone for the input. Good to know that I have some options. Afrakes pm sent.
    1987 34-2
    Tortuga
    Universal M25XP

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