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Model L Oil Change

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Dr Cy Kosis

03-17-2003 20:05:14




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I'm getting ready to change to oil on my 29 L and have a few questions.

The engine is unrestored but shows evidence that the windows have been off the crankcase in recent times leading me to assume the bearings were reshimmed. What type and weight oil should I use? I'm in central Texas and the tractor will only be used for show and parades primarily in the summer heat.

How many quarts of oil should I have at the ready for a change?

What is the 3 bolt flange on the left side of the oil pan? I'm assuming it is a screen and also acts as the drain point.

Should I drain and refill the clutch housing? If so how and how much will it hold?

The tractor is equipped with an external oil lines to the top end and an original aluminium "LuberFiner" oil filter. Does anyone know if the elements for these are still available?

Thanks in advance...

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Steve-IA

03-19-2003 18:30:57




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 Re: Model L Oil Change in reply to Dr Cy Kosis, 03-17-2003 20:05:14  
Hi Doc,
CaseIH recommends low-ash oil also. They carry it. Good luck!
Steve Moeller



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Al

03-19-2003 14:38:49




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 Re: Model L Oil Change in reply to Dr Cy Kosis, 03-17-2003 20:05:14  
I have a 1930 CASE L.... The 3 Gallons is correct but fill it until oil runs out of the top oil level hole on the side of the pan. Also just drain the clutch.... it has a plug for that purpose. Do not attempt to fill the clutch housing...I will fill itself when you start the tractor.... but you do have to drain it because it is constructed so once the oil is in the clutch housing it cannot get back into the engine. (It should be drained each time you change the oil. The clutch housing will hold about a quart or so after you run the tractor for about an hour, check the oil again and add enough to get it back up to the top hole on the pan. Also I recommend you use SAE 30 non-detergent oil.... you don't want detergent since you do not want all that old sludge in the engine breaking loose and circulating... Non-Detergnet will let it stay where is. Cleaning the oil screen is also a good idea but you chould not have to do it every time. It comes out on the side of the pan (3 bolts hold it in.) you don't want it cloged with sludge. My L also has an Oil FIlter. If yours does change the element in it also.... NAPA and O'Reliey auto parts can get you a new oil filter element... the L is listed in their books.

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Ol Chief

03-19-2003 04:05:40




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 Re: Model L Oil Change in reply to Dr Cy Kosis, 03-17-2003 20:05:14  
Luber-finer company is still in business but you will need to know the Case part number for them to give you a match.



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Ol Chief

03-19-2003 04:03:21




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 Re: Model L Oil Change in reply to Dr Cy Kosis, 03-17-2003 20:05:14  
Luber-finer company is still in business but you will need to know the Case part number for them to give you a match.



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David Olson Illinois

03-18-2003 16:12:15




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 Re: Model L Oil Change in reply to Dr Cy Kosis, 03-17-2003 20:05:14  
Hello Dr Cy Kosis,

I have a Case Model L Manual. J.I. Case published the manual in 1940.

This book shows that the crankcase requires 3 gallons of oil. It also recommends using 30-weight oil when temperatures are above 32 degrees.

Another thing that is recommended is to remove and clean the oil pump screen. It appears to be located on the left side of the oil pan with 3 cap screws.

If you like I could copy a few pages of this manual and fax them to you. Let me know.

Dave Olson � East-Central Illinois

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Brian

03-18-2003 08:20:43




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 Re: Model L Oil Change in reply to Dr Cy Kosis, 03-17-2003 20:05:14  
While I'm sure someone else will say that it really doesn't make a difference, I've always used non detergent 30 weight in my "L". An older collector/restorer advised it to me once. He said that the newer oils have a detergent that it harmful to the bearings. And, if memory serves me correctly, I think after you refill the clutch housing, the tractor takes 6 quarts, but don't hold me to that.

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Kennyp

03-18-2003 10:17:28




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 Re: Re: Model L Oil Change in reply to Brian, 03-18-2003 08:20:43  
The only reason to not use detergent oil is if the engine were full of old crap. The detergent might/might, loosen it up and plug the oil passages. FWIW: If I remember, the old filters were built to bleed a small amount of oil off and run it throught the filter. Not at all like the newer full flow filters.



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Jeff

03-18-2003 09:12:43




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 Re: Re: Model L Oil Change in reply to Brian, 03-18-2003 08:20:43  
You should use detergent oil in any engine with an oil filter. The detergent keeps dirt, metal, and other such stuff suspended in the oil, allowing it to be caught in the filter. If there is no filter, use non-detergent, it will allow dirt and stuff to settle to the bottom of the pan. You should probably change the oil more often with non-detergent



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kennyp

03-18-2003 05:44:34




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 Re: Model L Oil Change in reply to Dr Cy Kosis, 03-17-2003 20:05:14  
The 3-bolt is a screen. Take it out and wash it off. I used 30w in mine when I farmed with it. Don't know any reason why 10-30 or 10-40 wouldn't be fine. The clutch houseing will drain and refill itself. Sorry, forgot how many quarts...been 30 years. Kenny



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laipuller45

03-18-2003 06:04:40




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 Re: Re: Model L Oil Change in reply to kennyp, 03-18-2003 05:44:34  
the clutch housing will not drain itself. it will always hold about a quart of oil there. it would also be a good idea to pull the inspection covers off and cleas that area. over the years oil sludge and clutch dust build up. needs to be drained every oil changing.



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