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Author Topic: J P lister engine 9/1  (Read 9339 times)

danno

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J P lister engine 9/1
« on: July 15, 2014, 11:14:28 PM »
HI Guys
new to this forum,have recently acquired a jp lister  9/I.
Crankshaft is well worn & requires re grind to +20 to clean up
Having trouble finding new bearings for con rod ,tried Stationary engine parts
Sleeman & Hawken, but no luck, booth have + 10 but not +20
Does anyone have any other sugestions.
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dieselgman

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Re: J P lister engine 9/1
« Reply #1 on: July 15, 2014, 11:36:23 PM »
Perhaps you could weld and machine the bad crank journal/s back to standard... very commonly done on antique parts. We generally do not like large grinds on crank journals because the inductive heat treatment used is primarily effective in the surface layers. Subsequent layers may not have the same surface hardness and not last as long as original. Welding takes care of this issue altogether if done properly.

dieselgman
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danno

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Re: J P lister engine 9/1
« Reply #2 on: July 16, 2014, 12:53:31 AM »
yes i had that idea in back of mind but not sure if standard bearings are available,
+10 seem to be, I did not know about heat treatment being removed with grind,
have friend who is engine re conditioner ,he said could grind crank & re metal  bearing,
i was trying to avoid that as he has enough of his own stuff (engines) to do.
Maybe not good  idea, will  have to see if any machine shops in area can re weld.
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Curtis Shipp

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Re: J P lister engine 9/1
« Reply #3 on: July 25, 2014, 01:22:55 AM »
I think I have some -.020 bearings. I would be willing to sell a set. I will look and see. Right now I cannot find the box.
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6/1 jkson / 6kw 3ph mecc alte gen / my home shop off grid / wife and kids on grid

danno

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Re: J P lister engine 9/1
« Reply #4 on: July 26, 2014, 12:57:46 AM »
Well hope your search becomes more successful, looking forward to hearing good news.
thanks danny
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Curtis Shipp

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Re: J P lister engine 9/1
« Reply #5 on: July 26, 2014, 02:28:10 AM »
I found the box. My wife had moved it to the garage. I keep them in the house. I have -.010 , -.020 and -.030 rod bearings. Let me know how many you need. price is $15.00 plus shipping. These are marked 6/1 and 25/2. They are true lister petter parts.
« Last Edit: July 26, 2014, 02:36:28 AM by Curtis Shipp »
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6/1 jkson / 6kw 3ph mecc alte gen / my home shop off grid / wife and kids on grid

Curtis Shipp

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Re: J P lister engine 9/1
« Reply #6 on: July 26, 2014, 02:42:21 AM »
Quote from: danno on July 16, 2014, 12:53:31 AM
yes i had that idea in back of mind but not sure if standard bearings are available,
+10 seem to be, I did not know about heat treatment being removed with grind,
have friend who is engine re conditioner ,he said could grind crank & re metal  bearing,
i was trying to avoid that as he has enough of his own stuff (engines) to do.
Maybe not good  idea, will  have to see if any machine shops in area can re weld.

Just a heads up welding a crank is not a good idea. The listeroids break cranks under normal conditions. When you weld a crank it causes cracks to form and under our compression it will break. This is from many years of being a machinist and mechanic. I have seen it happen from pumps to locomotive shafts
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dieselgman

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Re: J P lister engine 9/1
« Reply #7 on: July 26, 2014, 03:35:27 AM »
I suspect that the metallurgy is different between original manufactured forgings and the Indian Listeroid copies. It is true enough that welding will induce harsh heat stressing - this is where a specialist is required. We have used such welded cranks in many of the more modern Lister diesels with zero failures on record. I have never bothered with repair on one that is easily replaced such as a common Listeroid crankshaft though.

dieselgman
« Last Edit: July 26, 2014, 03:38:06 AM by dieselgman »
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danno

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Re: J P lister engine 9/1
« Reply #8 on: July 26, 2014, 09:27:47 AM »
Curtis I may of confused the issue by posting in wrong section, my engine is gen lister built in late 40s. it is a jp 7 3/4 hp  single , same as 9/1 but lower revs .The big end journal is 3.00 inch dia, I think  6/1 is 2 1/2 inch, so your bearings might be wrong ones
part no  for mine are 010-04039/020 or 010-04008/020 . ?
  danny
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Curtis Shipp

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Re: J P lister engine 9/1
« Reply #9 on: July 26, 2014, 06:58:51 PM »
I will check tonight. I am at work right now. What does yours do, is it a genset now. Also if you go to a auto parts machine shop they have a book on all brgs and shaft sizes.
« Last Edit: July 26, 2014, 07:00:26 PM by Curtis Shipp »
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Curtis Shipp

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Re: J P lister engine 9/1
« Reply #10 on: July 26, 2014, 11:12:11 PM »
Quote from: Curtis Shipp on July 26, 2014, 06:58:51 PM
I will check tonight. I am at work right now. What does yours do, is it a genset now. Also if you go to a auto parts machine shop they have a book on all brgs and shaft sizes.


Yep mine are 2.5 dia. Check with a good auto machine shop. They should be able to help you.
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danno

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Re: J P lister engine 9/1
« Reply #11 on: July 26, 2014, 11:26:41 PM »
At the moment it is not powering anything, It was on a water pump in early life ,was supposed to be in good order ,had no compression ,owner said had been sitting for few years so probably stuck valve ,Turned out to be stuck rings  &piston that had grabbed  at one stage
Lack of water I would think, I have a small sawmill & pallet manufacturing business as well  a tea tree plantation that requires steam distillation, so lot of old junk about, There is old wood fired boiler that need re tubing ,Ihad plans of fixing that and putting lister on one of
the pumps involved in system, All just to amuse my self as it also has oiled fired boiler & electric pumps
danny
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danno

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Re: J P lister engine 9/1
« Reply #12 on: July 26, 2014, 11:28:00 PM »
Curtis thankyou for effort
danny
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Curtis Shipp

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Re: J P lister engine 9/1
« Reply #13 on: July 27, 2014, 01:15:32 AM »
Where are you located? I am in Alabama.
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6/1 jkson / 6kw 3ph mecc alte gen / my home shop off grid / wife and kids on grid

danno

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Re: J P lister engine 9/1
« Reply #14 on: July 27, 2014, 05:09:37 AM »
NSW Australia. on north coast.
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