8120 fuel tank - The Combine Forum
 
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post #1 of 8 (permalink) Old 10-09-2011, 02:48 PM Thread Starter
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8120 fuel tank

8120 fuel tank sucks in! Replaced vent hose and breather still does it? Had issues last year with engine air filter was the venturi in air filter housing plugged
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post #2 of 8 (permalink) Old 10-09-2011, 04:49 PM
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Originally Posted by thedm4778 View Post
8120 fuel tank sucks in! Replaced vent hose and breather still does it? Had issues last year with engine air filter was the venturi in air filter housing plugged
is the cap vented? if so try replacing it or soaking it in vinegar for a while works sometimes too
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post #3 of 8 (permalink) Old 10-09-2011, 04:57 PM Thread Starter
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Caps are not vented I think it should be
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post #4 of 8 (permalink) Old 10-10-2011, 08:00 AM
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There is a valve on the top of the tank that is part of breather line that vavle was plugged on mine easy to remove when tank is collasped cleaned valve then shut off fuel and pressurized tank with air have two 8120s both were doing it
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post #5 of 8 (permalink) Old 10-10-2011, 01:25 PM
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Unfortunately you have to check that little filter every few days. It's a pain and you shouldn't have to do it but it's just one of those things you get used to doing when you check the oil in the morning or put fuel in. Just tap it on the deck or if it get's really bad put a little compressed air through it. You can blow through it too but you tend to get covered in dust.
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post #6 of 8 (permalink) Old 10-10-2011, 11:00 PM
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There is no fix for this issue as of yet. Case told us to try bending the sender unit to get it away from the tank but it doesn't help. The software in the controllers and the PRO 600 are not talking correctly with the sender and it gives a false reading.
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post #7 of 8 (permalink) Old 10-11-2011, 10:34 PM Thread Starter
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Took guts out of check valve on tank works fine now .!!!!!!!
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post #8 of 8 (permalink) Old 10-15-2011, 08:39 PM
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Our 8120 also has the problems mentioned. Tank is deformed and the sender isn't working right at all. Our dealer said they'll fix it on warranty this winter. Said they've replaced over 20 tanks in the last year or so. Hopefully they can make the fuel gauge work properly while they are at it. And fix the fact that after the last service call on the fuel gauge the monitor thinks it's always on night mode. And maybe make the auger in out thing work better (takes a second to stop after you click it).

Last edited by torriem; 10-15-2011 at 08:43 PM.
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