Lister Engine Forum
General Category => General Discussion => Topic started by: johnnyG on April 28, 2018, 12:57:51 PM
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Hello and good day folks, I have recently bought a New (Old stock) AD1 which is up and running fine, small problem is, whereas the oil level is fine and the oil which is light green in colour is clear. I don't know what the oil is so would like to drain it and fill with new oil.
What is the recommended oil for this machine please.
Any advice welcome.
thanks
john
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Lister recommended a range from 5w-20 to 20w-40 depending on temperature. 10w-30 and 15w-40 are right in the middle of their recommendation.
Here is a link to the operators manual. http://www.winget.co.uk/document/LISTER%20PETTER%20AC-AD%20OPERATORS%20MANUAL.pdf
It is noted in the manual that Lister supplied the engines with break-in oil that should be changed @100 hours. That is likely the oil you are seeing based on it being a NOS engine.
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Hello again, many thanks for the replies so far.
The chap at my local motor factors has strongly advised i use 15w-40 mineral oil.
As opposed to synthetic or semi synthetic.
Would anyone concur with this.
thanks again
john
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Until the engine is broke in, only use mineral oil.
And I would change it BEFORE you run it. 30+ year old break-in oil, could be so bad, it could break the engine. Who knows what vintage oil exposed to atmosphere, is like. I'd run it with $3 qt grocery store oil for an hour, and change it, think of it as a rinse to get the old oil out of there.