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Lister LR1

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Lister LR1

Post by Spen60 on Tue Feb 18 2014, 17:33

I have just started work on this Lister LR1 which some one has lathered in paint.
Most of it internally is in good condition due to NO water in the oil.
But some parts are not so good.
The fuel pump is seized and the Injector doesn't look too good either.
All the Bearings are sound with the exception of the big end which has worn down to the copper.
So I have a few questions:

Where it the best place for replacement parts?

My crank bearing diameters are as follows:

Main timing side. 2.215"
Main drive side.  2.217"
Big End.            2.089"

Are these dimensions within tolerance?
Many thanks in advance.
Spen

Spen60

Posts : 3
Join date : 2014-02-08
Location : Marehan le Fen,Lincolnshire

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Re: Lister LR1

Post by AnotherBigAl on Mon Apr 07 2014, 18:44

I have the following figures from my May 1978 Lister Diesels Technical Handbook. I hope that these figures are some help.

Standard Crankshaft Journal diameter 2.2485”/2.248”
Min. Permissible worn diameter 2.245”
Bearing shell length. 1.755”/1.745”
Standard crankpin diameter 2.125”/2.1245”
Min possible worn diameter 2.1215”
Standard cylinder bore 3.001”/3.000”
Maximum possible worn diameter 3.007”
Piston diameter At bottom of skirt , across thrust face (Skirt is turned oval). 2.9947”/2.9937”
Min possible worn diameter 2.9907”
* Standard fire ring gap 0.012”/0.019”
Maximum permissible gap due to wear 0.030”
* Standard Compression & scraper ring gaps 0.008”/0.009”
Maximum. permissible gap due to wear 0.025”

* Measured in new cylinder bore

Undersize bearings available for main and big ends 0.010”, 0.020”, 0.040”
Oversize pistons available 0.010”, 0.020”, 0.040”
Crankshaft end float 0.005”/0.009”
Maximum. Permissible end thrust (lbf) 100

These are the only relevant figures in the book although it does show the metric equivalent but I didn't include them as you are obviously working in thous.
Sorry this reply is a bit late in the day, I only just noticed your post. Not much on the forums about LRs (Mores the pity)

Cheers

Alan

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Re: Lister LR1

Post by kevjhnsn on Mon Apr 07 2014, 21:56

ive just restored a tr2 diesel the bigger brother to yours 
and got all new seals ,gaskets ,shims, fuel pump,filters and injectors from 
here 

http://www.stationaryengineparts.com/Lister-SR-Engine-Spares/

http://www.stationaryengineparts.com/Lister-SR-Engine-Spares/

do a little digging around on there and/or call them on number listed 
and if you have a part number list for yours ,you will be able to cross ref other engine model parts to yours  as i did
o found it was all on there site for the one i did and thats a far  less common and desirable engine of the times than the sr1 sr2 sr3 ect ect
if you take the heads off ,please buy the topset/ headgasket as shimes not gasket fitted and they always seam to be weapy when head is removed,even if the engine was running before hand 
hope this helps kev

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Re: Lister LR1

Post by Spen60 on Tue Apr 08 2014, 09:05

Thanks guys, much appreciated  Very Happy 

Spen60

Posts : 3
Join date : 2014-02-08
Location : Marehan le Fen,Lincolnshire

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Re: Lister LR1

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