7000 black belly hydraulics

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   I recently started having issues with my black belly 7000 I use to bush hog with. The first symptom was when I first would start using the bush hog sometimes the pto would disengage when I would shift the powershift. This normally quit after I had worked it for a while. The last time I used it, that was much worse and I wasnt able to raise or lower the wings on the mower. I have plenty of the correct fluid in it (both compartments). It still steers fine. Where do I need to start? Its been a while, but I have adjusted the stand by pressure on the 7060 type tractors but this isn't the same system and im a little fuzzy on the routine anyway. Thanks in advance. 

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Adam Stratton Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 11 Sep 2009 Location: SW MO Points: 1365	Post Options Post Reply Quote Adam Stratton Report Post Thanks(0) Quote Reply Topic: 7000 black belly hydraulics Posted: 4 hours 19 minutes ago at 2:11pm
	I recently started having issues with my black belly 7000 I use to bush hog with. The first symptom was when I first would start using the bush hog sometimes the pto would disengage when I would shift the powershift. This normally quit after I had worked it for a while. The last time I used it, that was much worse and I wasnt able to raise or lower the wings on the mower. I have plenty of the correct fluid in it (both compartments). It still steers fine. Where do I need to start? Its been a while, but I have adjusted the stand by pressure on the 7060 type tractors but this isn't the same system and im a little fuzzy on the routine anyway. Thanks in advance.

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DrAllis Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Points: 23613	Post Options Post Reply Quote DrAllis Report Post Thanks(0) Quote Reply Posted: 1 hour 9 minutes ago at 5:21pm
	Black 7000 tractors sometimes have the long PTO lever fall into neutral. I always removed the spring inside the PTO valve and cut off one coil to weaken the spring. I'll bet your 1800 RPM red lite doesn't work, correct ??? Fix it. For diagnosing some of your complaints that red lite is needed. Black 7000's also blow a gasket in the PST valve and problems then arise when shifted into the over-drive position of the PST lever. Wing folding weakness must first be addressed by checking the remote outlets max pressure.....should be 2,200 to 2,300 PSI. Check with a 3,000 psi gauge plugged into an outlet coupler.