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Breather Cap Residue

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Donald Holden

11-29-2001 07:54:58




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My 61 D17 has a substantial accumulation of a white chalky material in the Oil Fill Tube on the valve cover! I make a lot of short runs and my Temp gage don't work. Could the build up be from condensation? I live in Southern Wisconsin and with the cooler temps and short runs is it a possibility? The oil on the dip stick looks fine.

Thanks Again

Don H




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Bryan Smith

11-29-2001 08:12:14




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 Re: Breather Cap Residue in reply to Donald Holden, 11-29-2001 07:54:58  
Yep, I'd bet you have either condensation build-up or a slight water leak somewhere. Change your oil more often (with the tractor warmed up when you do it) and try to run the tractor long enough to be to operating temp once in a while, even if it means letting it sit and warm up for 10 or 15 minutes before you use it. That's my $0.02 anyway ...



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steve

11-29-2001 16:07:46




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 Re: Re: Breather Cap Residue in reply to Bryan Smith, 11-29-2001 08:12:14  
Bryan is right. engines need to warm up to 200 degrees to boil off any condnesation in the motor and oil. Short runs in cold weather will give a milky residue around the breather or filler caps where moist air enters. you might also want to verify that thermostat works.



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Tom

11-29-2001 17:42:35




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 Re: Re: Re: Breather Cap Residue in reply to steve, 11-29-2001 16:07:46  
I too agree, cover the radiator or close the shutters if you have any. And get a temp. gauge. You need to know how warm or cold the engine is. I think the Allis owners manuals say 190 degrees for running on tractor fuel, 180 for gas. And these are minimums so it won't hurt the engine to run that warm. I now like engines to run at 200 degrees, I used to like 180 but 200 seems better now that I have been trying to keep my engines at that temp. This may not eliminate all condesation but it will help. Tractor engines have a lot of oil for the hp they develope and it may not ever get warm enough in the winter, but if the engine is warm when the oil is actually up and in the engine it will help to dry it out. The valve comer being cold mam cause condensation in the winter anyway. 200 degrees.

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Donald Holden

11-29-2001 19:43:34




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 Re: Re: Re: Re: Breather Cap Residue in reply to Tom, 11-29-2001 17:42:35  
Wow! What a group! MY thanks to all you folks for the quick responses. You AC guys are tops.
Thanks Again, and yes I will get the temp gage. Sandy Lake will be hearing from me.

Don H



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