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706 gas drinks oil
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Posted by andy on November 11, 2001 at 20:10:18 from (216.51.128.203):
My 706 gas which was recently overhauled with new pistons, rings and sleeves started drinking oil. Champion 16 plugs would not cut it even though they worked for 5 years perfectly. I put a hotter Autolite in .... they fouled too. Finally I put Champion RY 21's in. They run hot enough to stay clean. This tractor really smokes and DRINKS the oil. I mean like 4 quarts in around 3 hours. It looks like a 706 diesel. Still has power. I had just changed to 15-40 oil. I thought this was the problem. HEAR IS WHAT I FOUND!!!!!!!! COULD THIS BE THE PROBLEM?????? I decided to really look it over. Nothing else had worked. I pulled the dry air filter. The rubber pipe that brings air to the air cleaner had filled with grass and weed leaves and seeds. This plugging occurred right where the pipe hooks to the air cleaner tank. Looks like it was restricting the flow big time. It was quite a wad of material. Could this restriction actually cause a LARGER vacume in the cylinder when the piston is in the intake stroke and draw oil up along the cylinder wall rather than the oil ring pulling it all down? IT DRANK OIL! I have not checked it yet. I was just wondering if anyone had heard of this happening?
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Today's Featured Article -
Oil Bath Air Filters - by Chris Pratt. Some of us grew up thinking that an air filter was a paper thing that allowed air to pass while trapping dirt particles of a particles of a certain size. What a surprise to open up your first old tractor's air filter case and find a can that appears to be filled with the scrap metal swept from around a machine shop metal lathe. To top that off, you have a cup with oil in it ("why would you want to lubricate your carburetor?"). On closer examination (and some reading in a AC D-14 service manual), I found out that this is a pretty ingenious method of cleaning the air in the tractor's intake tract.
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