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Messages - coronos

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1
Engines / Re: Engine identification
« on: May 22, 2021, 08:02:31 PM »
That's what I thought too, but I've looked very carefully over the entire block several times, and just did another check. I can't see any place that look like it's missing a tag, other than a flat rectangular spot on top (tried to attach a picture, but it won't upload for some reason). There's black stuff on it that can be scraped off with a fingernail, and feels like old glue.

Anyway, back to the original question. I know the date (1998), so I'm not really concerned with confirming that, but I would like to confirm the build number, because that's what determines the parts I order. Was my process of elimination an accurate one?

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Engines / Re: Engine identification
« on: May 22, 2021, 07:48:51 AM »
Thanks. My dad set this system up about 10 years ago with solar, wind, and 2 generators for backup. For storage there are 2 48v battery banks in parallel. He is entirely off-grid, so if one genset goes down, he has a second to fill in. The wind generator actually blew apart in a storm after only a couple of years of use, and it wasn't worth replacing at the time, so now it's just solar plus generator.

Good to know about the casting number. I found a spot on top where it looks like the plate was just glued on(!), but I haven't been able to find it anywhere.

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Engines / Re: Engine identification
« on: May 21, 2021, 07:31:50 PM »
Let me know if there are specific parts you'd like a picture of.

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Engines / Re: Engine identification
« on: May 18, 2021, 07:09:55 AM »
You're right, there are quite a few sites with Lister dating info. Unfortunately I couldn't find any that matched with what I have. They either end in the 50's, 60's or 70's, or they have an entirely different S/N format.

I did come across one that mentioned adding 50 to the serial number year code, so maybe the 48 is correct after all.

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Engines / Engine identification
« on: May 18, 2021, 12:10:12 AM »
Hello All!

I'm trying to identify the exact model and build number of the Lister engine on my dad's generator. I think I have an answer, but I'd like someone with more experience to confirm my process.

There's no metal plate on it any more, but at one time this number was copied from it: 48 01168 LPW4A.

According to the operator's manual, the first two digits represent the year, with the example of 06 = 2006. The generator was purchased new in 1998, so should the first two digits actually be 98?

There was no build number copied, so given the model number of LPW4, I used the engine build chart in the parts manual (with 50-60 possibilities) to eliminate all build numbers that didn't apply to this model. The spec label showed a fixed speed of 1800 rpm, so I also eliminated all variable speed builds, and any dual or constant speed builds that weren't fixed at 1800.

At this point my list of possibilities was down to builds 18, 72, 74, 79, 174, 227, 274, 279, and 281.

In the parts manual I found a variety of speed controls which applied to various builds. Our control has three set screws, and there was only one matching control in the book. It applied to builds 27, 28, 41, 74, and 81. Crossing with my previous list gives me the only remaining possibility of build 74.

So, after all of this, is it reasonable to conclude that my model number should read 98 01168 LPW4A 74?

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