rbdjr59
Cast Iron
- Joined
- Jan 28, 2014
- Location
- Houston, USA
Is there a way to manually lower the arm on my American Hole Wizard from the maximum elevation? The powered mechanism won't engage to lower it.
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Is there a way to manually lower the arm on my American Hole Wizard from the maximum elevation? The powered mechanism won't engage to lower it.
I don't think it is off the screw because the screw runs from a fixed position at the top and is visible at the bottom, although free from any type of connection there. There is an electric component to the mechanism that I think is hitting a limit switch and preventing the clutch from engaging, or dis-engaging as it were. I raised the arm until it hit a mechanical stop and dis-engaged the lifting mechanism. I have adjusted the mechanical stop so that it no longer pushes against the connection but the arm will still not lower.View attachment 263105
Definitely electrical. This machine has sat for several years but I did have it raising and lowering the arm earlier in the day. I did notice that the screw was not turning when the arm was moving but did turn when the arm wouldn't move. I think this is related to an auto disconnect feature if the arm lowers into the part. I will have to study it further. It is an old American Hole wizard 40's era. 4' arm on an 11" column.View attachment 263147View attachment 263148
I can see teeth marks on the bottom of the screw where someone went after it with a pipe wrench. Last resort.
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