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Onan Generators

Onan 2LK (experimental model) Has Come to Life!


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  #81  
Old 01-10-2018, 09:54:26 PM
JohnnyC JohnnyC is offline
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Default Re: Onan 2LK (experimental model) Has Come to Life!

Wednesday Update:

Temps above freezing so JohnnyC went out to the workshop to play.

Tonight I modified the carrying frame (named from parts catalog) by adding wheels and adjusting it to allow the LK to be mounted 90 degrees from what was seen in yesterday's pictures.

Before showing the simple mod, I assume the frame is original to the LK which was manufactured in 1959. In the first picture below I show one of several carriage bolt heads that worn flat from decades of dragging the LK in its carrying frame. I assume it was a p.i.t.a. to move/slide since an LK weighs about 230 lbs. No way do I want to drag it around.

Simple solution is to mount wheels. I did not want to permanently alter to OEM Onan optional carrying frame by welding wheels to it, so I cut two equal lengths of square tubing and drilled holes in the tubing to match the holes in the carrying frame then bolted it all together with wheels as seen in the second picture. This hardly adds any additional weight and the tubing can easily be unbolted leaving the option carrying frame 100% original.

The third and fourth pictures show roughly how the LK will look mounted on the carrying frame in it's new mounting position and the wheels mounted. The LK is very stable now.

Maybe tomorrow or this weekend I will remove all the old paint on the carrying frame to get it ready for paint.

That's all folks for today

JohnnyC
New Jersey
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  #82  
Old 01-11-2018, 02:43:45 AM
Vanman Vanman is offline
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Default Re: Onan 2LK (experimental model) Has Come to Life!

Looks like very nice work as usual, Johnny. Wish I lived close, I'd love to commission your services.

You may want to consider some wheels with brakes. Based on my experience with my single cylinder 1800 RPMers, they can be a little jiggly.
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  #83  
Old 01-11-2018, 06:45:09 AM
JohnnyC JohnnyC is offline
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Default Re: Onan 2LK (experimental model) Has Come to Life!

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Originally Posted by Vanman View Post
Looks like very nice work as usual, Johnny. Wish I lived close, I'd love to commission your services.

You may want to consider some wheels with brakes. Based on my experience with my single cylinder 1800 RPMers, they can be a little jiggly.
Thanks... You are right about considering wheels with brakes. I may look for a set. I too had experiences with an old Westinghouse generator on a cart that I built with wheels and it moved a bit if the ground was not level.

JohnnyC
New Jersey
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  #84  
Old 01-11-2018, 04:00:48 PM
Vanman Vanman is offline
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Default Re: Onan 2LK (experimental model) Has Come to Life!

Here's another LK mounted wonky on the frame!

https://m.ebay.com/itm/ONAN-vintage-...QAAOSwKwVaVuSH
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Old 01-11-2018, 10:49:17 PM
rmchambers rmchambers is offline
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Default Re: Onan 2LK (experimental model) Has Come to Life!

if you don't want to put brakes on the wheels you might weld a little foot pedal on the cross members that you press down with your foot and it puts a rubber padded leg down to take the weight off the wheels and stop it from moving.
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  #86  
Old 01-11-2018, 10:58:35 PM
JohnnyC JohnnyC is offline
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Default Re: Onan 2LK (experimental model) Has Come to Life!

Thursday Update:
This evening I finished rebuilding the carburetor. I did touch on the carburetor a week or two ago, but at that time I cleaned up the casting however I did not have a rebuild kit for it. I must say this was the easiest carburetor I've ever rebuilt (which means it won't work when I install it).

The carburetor is a very common Carter Model N and in my case a #20. From my research Carter Model N carburetors were very commonly used on Kohlers back in it's day and the rebuild kit is Kohler part# 1P25 757 01-S. The kit contains a gaskets, float needle and seat as well as the float pin and all fit perfectly. The rebuild kit can be purchased from any small engine repair center for pennies.

I don't think this was the original carburetor, but a replacement. On the carburetor casting the numbers "87" can be clearly seen (see 4th picture below). Does this mean 1987????? My LK was built in 1959. On my JB's carburetor and last two digits of the year is in its casting in a manner as seen with the LK's carburetor. Would anyone out here know for sure??? In addition the numbers "24645" is embedded in the carburetor's flange casting. I have no clue what that means. Any gurus out here that can decode those numbers?

Anyway, the needle adjustments are set as they were before the carburetor was disassembled. While cleaning the internals of the carburetor, it was not bad at all and the LK's motor ran perfectly before I tore it apart.


JohnnyC
New Jersey
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  #87  
Old 01-11-2018, 11:40:44 PM
JohnnyC JohnnyC is offline
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Default Re: Onan 2LK (experimental model) Has Come to Life!

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Originally Posted by rmchambers View Post
if you don't want to put brakes on the wheels you might weld a little foot pedal on the cross members that you press down with your foot and it puts a rubber padded leg down to take the weight off the wheels and stop it from moving.
Most likely I will follow Vanman's advise and install a set of wheels with brakes. It would be the easiest and cheapest solution other than chaining a boat anchor to the frame which would not be a bad idea and very different.

JohnnyC
New Jersey
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  #88  
Old 01-12-2018, 08:47:20 AM
Kevin K Kevin K is offline
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Default Re: Onan 2LK (experimental model) Has Come to Life!

Johnny, both of my LK's use a Walbro LMG193 used in Spec E and above. I think yours is a spec B using carburetor part number 146-0131? The 900-0269 carburetor index crosses 146-0131 to a Walbro LMG189. So your carburetor may have been replaced. Then again, it is an "experimental model" so who knows what the factory did.
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Old 01-12-2018, 09:26:00 AM
JohnnyC JohnnyC is offline
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Default Re: Onan 2LK (experimental model) Has Come to Life!

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Originally Posted by Kevin K View Post
Johnny, both of my LK's use a Walbro LMG193 used in Spec E and above. I think yours is a spec B using carburetor part number 146-0131? The 900-0269 carburetor index crosses 146-0131 to a Walbro LMG189. So your carburetor may have been replaced. Then again, it is an "experimental model" so who knows what the factory did.
Thanks for the information. If it was replaced, it fits perfectly and works. Since there is an "87" stamped on the body of the carburetor as seen in my previous set of pictures, I think that the carburetor I got was made in 1987. Waiting for one of the smart guys here to confirm.

JohnnyC
New Jersey
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Old 01-12-2018, 10:09:30 AM
Handyhiker1 Handyhiker1 is offline
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Default Re: Onan 2LK (experimental model) Has Come to Life!

Quote:
Originally Posted by Vanman View Post
Here's another LK mounted wonky on the frame!

https://m.ebay.com/itm/ONAN-vintage-...QAAOSwKwVaVuSH
That frame doesn't look like a factory one. There is wood mounted to the sides and then under the generator.
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