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How to time up the LISTER D?

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How to time up the LISTER D?

Post by piston power on Sun Oct 03 2010, 09:38

It's now time to time up the lister it's been stripped down engine checked over and been re built back up, I can't see any timing marks on either of the 2x gears.

What is the best way to do this is it piston a tdc valves closed ?

Help please? Very Happy

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Re: How to time up the LISTER D?

Post by BRASSO on Sun Oct 03 2010, 14:38

If the engine is going to be on load then the correct timing would be 20 degrees Before Top Dead Centre.

If the engine is only going to be used for demonstration purposes then the stationary engine book recommends 10 degrees before top dead centre is better.

Hope this helps....

Regards

Martin

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Re: How to time up the LISTER D?

Post by piston power on Sun Oct 03 2010, 16:01

Were are the timing marks are they on the mag for the degres?

It's all worn on the timing gears no marks so would you know how many teeth 10deg is?

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Re: How to time up the LISTER D?

Post by RAB on Sun Oct 03 2010, 16:11

Hi Piston power,

The easiest way to explain this is like this:-

Measure the circumfrance of the flywheel and divide that by 360,

ie if the flywheel has a circumfrence of 360mm divide that by 360 and you will get 1. therfore 1mm will equal 1 degree 10 mm will be 10 degree etc etc.

Thats about the easiest way to work it out.

The tdc position is when both valves are closed and the piston is obvioasly at the top. Once youve done that just mark all the gears to the way you find easiest.

Hope thats of use

Paul



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Re: How to time up the LISTER D?

Post by piston power on Sun Oct 03 2010, 17:14

Thanks paul that makes sense was halfway there. Cheers mate.

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Re: How to time up the LISTER D?

Post by mike d on Sun Oct 03 2010, 21:52

[quote="rab"]Hi Piston power,

The easiest way to explain this is like this:-

Measure the circumference of the flywheel and divide that by 360,

IE if the flywheel has a circumference of 360mm divide that by 360 and you will get 1. therefore 1mm will equal 1 degree 10 mm will be 10 degree etc etc.

That's about the easiest way to work it out.

The tdc position is when both valves are closed and the piston is obviously at the top. Once you've done that just mark all the gears to the way you find easiest.

Hope that's of use

Paul

HI PAUL...

i take it that's the same for petrol/paraffin LISTER D's as well.....

mike....

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Re: How to time up the LISTER D?

Post by RAB on Mon Oct 04 2010, 19:06

[quote="mike d"]
rab wrote:Hi Piston power,

The easiest way to explain this is like this:-

Measure the circumference of the flywheel and divide that by 360,

IE if the flywheel has a circumference of 360mm divide that by 360 and you will get 1. therefore 1mm will equal 1 degree 10 mm will be 10 degree etc etc.

That's about the easiest way to work it out.

The tdc position is when both valves are closed and the piston is obviously at the top. Once you've done that just mark all the gears to the way you find easiest.

Hope that's of use

Paul

HI PAUL...

i take it that's the same for petrol/paraffin LISTER D's as well.....

mike....

Hi Mike

I would say yes to that mike, as all your getting is the amount of degrees before TDC.
I had a mate who had problems with a Ruston on a drag saw, it ran but like a bag of nails told him the timming was all to hell and beyond but he wouldnt belive me so a wedger was layed down.

I set the engine up like described above and it ran as sweet as a nut, he was gob smacked. all the gears were marked but they were not to clear the markings. so we redone the markings and its still going strong now.

Paul

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Re: How to time up the LISTER D?

Post by mike d on Mon Oct 04 2010, 21:28

hi Paul....

thanks for that,i guess it will help anyone that is timing a LISTER D....

regards......mike....

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Re: How to time up the LISTER D?

Post by RAB on Tue Oct 05 2010, 18:58

mike d wrote:hi Paul....

thanks for that,i guess it will help anyone that is timing a LISTER D....

regards......mike....

It will work for any engine mike.

Paul

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Re: How to time up the LISTER D?

Post by mike d on Tue Oct 05 2010, 22:48

hi paul...

thanks for the info...

I'm learning all the time....never to old to learn......

regards......mike...

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