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Old 06-16-2012, 02:28 PM   #1
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Toggle switch for jack

Anyone know where I can get the KEDU HY29B toggle switch that controls the the motor for electric trailer lift jack?

Please contact me at my regular e-mail. mjkvsk@gmail.com I am not on this forum very much.

Thanks,
Matt
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Old 06-16-2012, 03:44 PM   #2
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I did a search looking for that exact number switch with no luck. However, it's just a DPDT (double pole double throw) on,off,on switch, and you should be able to get one that will replace it at any electronics parts store. We used to deal with Wicks in CC when I lived/worked down there, but that was quite a few years ago, so check the yellow pages before you drive down there.
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Old 03-12-2014, 08:13 PM   #3
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here is what I'm coming up with... These are all running about $15
  • Cole Hersee 55065-03
  • NKK S28AWF-RO
  • Carling Technologies 6GM5M-73
Honeywell has a 32NT91-7 sealed version for $45 as does OTTO T7-211E5 for $22. I'm going to try the OTTO part from Mousers.

If I didn't make a lookup mistake, I'd consider all these switches upgrades to what the jack was assembled with. The Cole Hersee part is what seems to show up at automotive parts counters.
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Old 03-15-2014, 11:06 PM   #4
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My jack fried the OTTO switch in a few minutes of testing. I might have a short in the motor winding.
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Old 03-16-2014, 07:34 AM   #5
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My husband had to replace the toggle switch on our trailer last fall. He call the manufacturer of the jack and they sent us the part free of charge.
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Old 03-16-2014, 01:56 PM   #6
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Thanks for posting dkrug. I'll call them tomorrow. Barker is the jack maker. I figured out that Barker's upstream parts supplier is Burr Actuators that do some impressive handicapped van actuators.

I was testing the DC motor without the switch and it is testing out fine so the OTTO switch wasn't beefy enough. With a meter on it and a 10 gauge ground wire hooked up, unloaded (trailer on its leveling jacks) this motor is drawing 13 amps up and 11 amps down! Yikes.



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Old 03-20-2014, 01:07 PM   #7
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Barker tech support (Greg) was extremely helpful. Barker would like to see 5 to 6 amps on a free spinning motor. All three switches ended up were gone. The travel limit micro switches went from "normally closed" to "always closed" and wouldn't shut down the motor at end of travel.

Figured out the high current issue with my jack. Found a dent in the bottom of the jack tube. I cut the dent out with a dremel and now am measuring 6 to 7 amps.

I think the OTTO switch might be okay with the dent now removed.
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Old 03-24-2014, 08:21 PM   #8
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Quick update. The OTTO part is rated for a 1/2 HP motor. The stock part from Barker is rated for 1.5 HP motors and is available at Grainger as "Power First 2LMZ9" for $13.53, but Zoro Tools sells it for under $5 with $5 shipping.

This part is the six connector version for jacks with the travel limit cut-off micro switches. Barker sells jacks without the travel limit cut-off wiring so you need to look for reversing DPDT switches for that application.
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Old 03-24-2014, 08:36 PM   #9
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My switch burned out a year after we bought the jack. I disassembled the head, and it was nothing more exotic than a 2 pole momentary toggle switch with 3 positions UP-OFF-DOWN. I think at 10A. I went to Radio Shack and got one for about $6 or so. You can also find these heavy toggles at AutoZone, Pep Boys and the like.

Good luck!
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Old 08-29-2017, 04:29 PM   #10
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Thumbs up

Quote:
Originally Posted by StagrLee View Post
Quick update. The OTTO part is rated for a 1/2 HP motor. The stock part from Barker is rated for 1.5 HP motors and is available at Grainger as "Power First 2LMZ9" for $13.53, but Zoro Tools sells it for under $5 with $5 shipping.

This part is the six connector version for jacks with the travel limit cut-off micro switches. Barker sells jacks without the travel limit cut-off wiring so you need to look for reversing DPDT switches for that application.
It is no secret that most posts on Airforums are Beyond Useless. Opinions are fine, but if you don't add details, item numbers, links to sources, or results, then you are just wasting more time for people who are here in search of solutions

That is not the case here. StagrLee, and the rest of the posters on this thread have actually shared useful, actionable information, which is rare and much appreciated.

I was able to find and buy 2 of the PowerFirst switches from Zoro.com for $6.83 ea. with $5.00 standard shipping. Once i install one, I'll report on how it all went.

Here is the detailed item info:
TOGGLE SWITCH, DPDT, 15A @ 277V, QUIKCONNCT
POWER FIRST| Zoro #: G3457781| Mfr #: 2LMZ9

Here is a direct link: (https://www.zoro.com/power-first-tog...z9/i/G3457781/)

Thanks again to StagrLee and the other posters on this thread for not being typical Airforum posters.
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