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Old 03-21-2017, 05:58 PM   #1
Lakeroadster
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Kill Switch For Auto Lift

I've read a couple threads where owners of lifts have had the controls fail ON when the lift is raising. Depending on when that happens it could be really bad.

So I updated the controls on my 2-post lift to include a kill switch.
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Here was the design I came up with that uses an aluminum enclosure and a paddle switch. Both were found via amazon.com

The design replaces the existing hydraulic power unit electric control cover plate and bolts right on in its place.

This allows the lift micro switch and the paddle switch to be close together.



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And here is the completed retrofit.

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Old 03-22-2017, 11:49 AM   #2
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Re: Kill Switch For Auto Lift

Being an electrician, I'd like to see the wiring diagram. We usually put a disconnect switch close enough to cut ALL power in an emergency.
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Old 03-23-2017, 03:51 PM   #3
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Re: Kill Switch For Auto Lift

Mark,

The switch kills both 120V legs that are powering the 240 V device.

Here's a link to the wiring instructions: http://pics.woodstockint.com/manuals/d4157_m.pdf
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Old 03-27-2017, 05:11 PM   #4
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Re: Kill Switch For Auto Lift

That will work. Good job. At first I thought you might be relying on relays to cut power.
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Old 11-03-2017, 07:24 AM   #5
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Re: Kill Switch For Auto Lift

I am a Scotsman by heritage and practice, so I took the more direct path to avoid overruns.
I hung a red flag (6 x 8") on the power cord and labeled it "Yank Out Plug to Stop".
Works every darn time !
Bruce
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Old 11-07-2017, 08:46 PM   #6
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Re: Kill Switch For Auto Lift

Quote:
Originally Posted by smokescreenaafd View Post
I am a Scotsman by heritage and practice, so I took the more direct path to avoid overruns.
I hung a red flag (6 x 8") on the power cord and labeled it "Yank Out Plug to Stop".
Works every darn time !
Bruce
Except for a hardwired motor.. they have no plug.
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