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Delco and other Low Voltage DC Light Plants Antique Generators, Light Plants, Typically 24, 32 or 48 volt although some are 110 volt. DC Lamps, Motors and appliances.

Delco and other Low Voltage DC Light Plants

1922 Kohler 11OV D.C. Restoration


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  #1  
Old 11-01-2017, 05:38:07 PM
Grape Grape is offline
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Default 1922 Kohler 11OV D.C. Restoration

Hello everyone and welcome to my first restoration thread.
Over the next months or years I am going to venture into a few unknown areas. One is restoration of something other than Hit and Miss and Two is to document the whole thing just for the fun of it.
If anyone has helpful suggestions, comments, photos, parts ect., I'll be glad to hear from you.
I'll start the story on the next post.
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Old 11-01-2017, 05:50:33 PM
Grape Grape is offline
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Default Re: 1922 Kohler 11V D.C. Restoration

Purchased through an on line auction in October 2017. It was just to cool to pass up.

Kohler Power and Light 110V D.C. 1,500 watt; 1922; Model B; SN: B2389; Automatic and manual start.
4 cylinder Gasoline engine with fan cooled thermo siphon radiator.

I think I'll rebuild the cart and leave it mounted.

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Old 11-01-2017, 06:06:36 PM
Grape Grape is offline
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Default Re: 1922 Kohler 11V D.C. Restoration

Photos of the left and right sides, the crank end is considered the front of the unit. The fuel pump has a hand primer. The carb is a zenith.

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Old 11-01-2017, 06:10:28 PM
Grape Grape is offline
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Default Re: 1922 Kohler 11V D.C. Restoration

Here are some photos of the power control box that control's the auto start feature, battery charger for the starting battery, and generator itself. Note that the knife switch needs a new handle. The way it looks, this thing may have run and generated power in the not to distant past.

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Old 11-01-2017, 06:38:03 PM
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Default Re: 1922 Kohler 11V D.C. Restoration

While I was waiting to get the Kohler into the garage I started looking for manuals. I started a thread on smoke stak looking for info. Then I contacted Kohler asking if they had any historical records. Mr. Mike Ackeret and Ms. Amanda Liske from Kohler were very helpful and within a week of my first request they found two manuals in their archives. One is from 1920 and the other from 1924. None are model B but they are close enough to be a great help with this project. (they are digital so I can share with others).

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Old 11-01-2017, 06:46:24 PM
George Andreasen George Andreasen is offline
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Default Re: 1922 Kohler 11V D.C. Restoration

I was just about to post this link: http://www.oldengine.org/members/frank/

That's where I downloaded the manual for my plant.

I think you're right....that plant hasn't seen a lot of use. Mine was used as a standby unit for a volunteer fire department and just sat idle most of the time.

The only flaw with mine was the fuel pump.....it's a "one off" AC design and I couldn't find a replacement diaphragm, so I cut a new one out of flexible, gas proof material. It really didn't work too well (leaks) and I've since discovered that small sheets of Viton are available on Ebay very cheaply. If nothing else, the carburetor can be gravity fed from an elevated tank, eliminating the troublesome pump.

The knife switch is nothing more than an old fashioned "house switch", about 30 amps capacity. They're all a pretty standard size and still around at swap meets. They're on Ebay also, but of course those are all "vintage", "retro", and "steampunk" with prices to match.......
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Old 11-01-2017, 07:03:52 PM
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Default Re: 1922 Kohler 11V D.C. Restoration

I'm starting with what is obvious. The radiator is in rough shape. Dented top and don't know if it leaks. Sent it to our local radiator shop. They have a good reputation with repairing and restoring antique tractor and vehicle radiators.

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Old 11-01-2017, 05:50:35 PM
George Andreasen George Andreasen is offline
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Default Re: 1922 Kohler 11V D.C. Restoration

Welcome aboard! This is a great forum for the hobby......always someone who can answer your questions.

I'm curious about your Kohler.......is this the little four cylinder unit with the radiator mounted about midships? (Oops, just saw the pic) If so, you have on of the sweetest running light plants ever designed. Modest compression and 1200 rpm, the things will last forever unless abused. Even if a D.C. plant, it can still run lights and brush type tool motors, very useful during a power outage!

I have a Kohler 1m21 110 volt A.C. (manual start, crank) that I went through about eight years ago and it still runs like a dream. Not a lot of wattage (1500) but enough to get just about any normal job done.
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Old 04-27-2018, 09:02:40 AM
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Default Re: 1922 Kohler 11OV D.C. Restoration

Well, I've had a little time so I got a few more things done. While I had the radiator out I dis-assembled the fan and decided to replace the fan bearings. It took a little while but I found a small bearing shop that was willing to do the research and found both bearing sets. Kelsey bearing in Abottsford WI. Its a one man sore thats been there since 1926! and it looks like he still has a few years left.
Once I got the fan done I re-installed the fan and radiator and it looks and fits well. Then I checked for spark and have none. . Its time to start working on the Mag..
More updates to come as I get time and money..

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Old 04-27-2018, 09:29:15 AM
BHoward BHoward is offline
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Default Re: 1922 Kohler 11OV D.C. Restoration

Hi Phil. If the mag do,nt work after you have cleaned the points , just make it into a distributor by hooking up an old 12volt car coil . You have to have battery's on it anyway . Just hook to one of the 12 volt batters. Have done that manny times. I meant to say dos,nt work. Good luck. Bill.
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Old 04-27-2018, 12:27:04 PM
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Default Re: 1922 Kohler 11OV D.C. Restoration

Oh, I wouldn't give up on the mag so easily! For one thing, it allows the set to be run without a battery!

Assuming that it checks out ok with a meter, and if cleaning the points doesn't work, try a known good condenser.

Then think about remagnetizing it. And last, but not least, having it rebuilt. There are guys on the Stak that specialize in this.
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Old 04-27-2018, 02:34:32 PM
BHoward BHoward is offline
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Default Re: 1922 Kohler 11OV D.C. Restoration

Keith. Sould you run it without battery's ?
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Old 04-27-2018, 02:56:03 PM
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Default Re: 1922 Kohler 11OV D.C. Restoration

These sets are unaffected by running without a battery as they have no charge regulating relay or reverse current relay. The battery terminals at the controller would have line voltage present on them, but none of the relays are exposed to it.

When running, with or without a battery, the Main Relay is held in by the load current, and the Generator Relay is held in by generator voltage. The Cranking Relay is of course de-energized.

At least that's how all of the later ones operate. My oldest manual is from 1936, and his set has an earlier controller that I have not seen before. It would be cool to study it and make a diagram for it. It would be really cool to find a manual from that era.
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