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Discussion Forum

1949 TEA20 Valve Timing

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Author  [Modern View]

01-23-2011 18:21:03

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Hello all, (from canada)

I am in the process of putting back together a TEA20 tractor and am looking for some info on the correct way to set the valve timing on the 80mm standard motors engine.

Can anyone help?



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02-06-2011 11:54:39

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 Re: 1949 TEA20 Valve Timing in reply to david85, 01-23-2011 18:21:03  
One more question. How do I install the distributor correctly? :roll:
I have a PDF manual for the tractor, but the info relating to the standard motors engines is limited.


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01-28-2011 16:21:34

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 Re: 1949 TEA20 Valve Timing in reply to david85, 01-23-2011 18:21:03  
Thanks, I was able to find the marks on all the original parts and used them to set up the new chain and sprockets.

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John (UK)

01-24-2011 13:29:32

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 Re: 1949 TEA20 Valve Timing in reply to david85, 01-23-2011 18:21:03  
If you have removed the chain-wheel from the Camshaft then it is more difficult, if you have not removed the Chain-wheel it is just a matter of aligning the scribe marks on the chain-wheels on the Camshaft and the Crankshaft. If you have fitted a new chain-wheel on the Camshaft then you will need the info to reset the timing. If you email me and let me know just what you have done and if you have had the Chain-wheels off or not and if they have scribe lines on both of them, I will send you the information that you need to set the timing. You should have a new chain at this time, if the old one is at all slack you can't set the timing with any accuracy...John

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Bob (Aust)

01-23-2011 20:22:04

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 Re: 1949 TEA20 Valve Timing in reply to david85, 01-23-2011 18:21:03  
Are you reinstalling the original cam shaft and crank shaft sprockets? If so they should have small punch marks which must be aligned.

If you are installing new, unmarked sprockets, they can go one either way and you will need the manual or extract copy.

Bob in Oz

'53 TEA20

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