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case ih 1200 planter vacuum
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ash72487
Posted 5/13/2015 15:00 (#4567880)
Subject: case ih 1200 planter vacuum


I have a case ih 1200. I have my vac set for 18 pounds and it is very erratic....it will range from 14 to 23 pounds and it will move 8 or 9 pounds in 2 or 3 seconds.....what could the problem be?
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jcfarmboy
Posted 5/13/2015 15:35 (#4567914 - in reply to #4567880)
Subject: RE: case ih 1200 planter vacuum



South Western Ontario, Canada		Pto or tractor hydraulics?

Have you checked for leaks?

Edited by jcfarmboy 5/13/2015 15:36
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ash72487
Posted 5/13/2015 15:47 (#4567927 - in reply to #4567914)
Subject: RE: case ih 1200 planter vacuum


Pto pump. ....no leaks that I can find
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jcfarmboy
Posted 5/13/2015 16:32 (#4567983 - in reply to #4567927)
Subject: RE: case ih 1200 planter vacuum



South Western Ontario, Canada		Check the rubber cap right above the vac sensor. Ours cracked.

Edit: can you hear the fans surge? Does your seed graph move at all?

Edited by jcfarmboy 5/13/2015 16:34
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ash72487
Posted 5/13/2015 17:46 (#4568064 - in reply to #4567983)
Subject: RE: case ih 1200 planter vacuum


I'll check that and you can definitely hear the fan surge.
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ash72487
Posted 5/13/2015 18:00 (#4568076 - in reply to #4568064)
Subject: RE: case ih 1200 planter vacuum


Seed graph don't seem to move
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ioway
Posted 5/13/2015 18:29 (#4568113 - in reply to #4568064)
Subject: RE: case ih 1200 planter vacuum


Central Iowa		Check the cap as he said and check for any corrosion on the contacts of the sensor. Also I would suggest taking the sensor out and LIGHTLY tapping in on a plastic surface. Sometimes they can get filled with fine dust and cause issues. The dust will fall out when you tap the sensor. Beyond that it's always possible a small filing is restricting oil flow in the solenoid. Guessing it's sensor related.

Edited by ioway 5/13/2015 18:30
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BPscpa
Posted 5/13/2015 19:04 (#4568161 - in reply to #4567880)
Subject: RE: case ih 1200 planter vacuum


SCPA, Franklin County		I had the exact problem at startup this season. After checking all sensor/electrical possibilities, finally changed the solenoid valve. Fixed it instantly. Must of been hanging up, and the surging was the result of overcompensating itself. Good luck
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REDMAN2188
Posted 5/14/2015 08:51 (#4569168 - in reply to #4568161)
Subject: RE: case ih 1200 planter vacuum


north,ala		valve, sometimes its the orings on the valve.
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