New holland tc30 3 point lift

   / New holland tc30 3 point lift #1  

Thefinishedlook

New member
Joined
Dec 13, 2024
Messages
1
Tractor
New holland tc30
Tractor had box blade left up for 2 weeks noticed it was up lowered it by handle while off and hydraulics won’t work now. It has no front end loader, and is a 3x9 manual transmission, fluid was fine changed any ways and so was filter still not responding at all. I can lift arms and they just fall have turned the speed valve and blew air through opening and lift arms raise, cycled diverter valve engine almost dies so I would believe pump is good what am I missing I also tried to loosen supply tube to rear hydraulic to let air out not sure how to bleed it or check hydraulic pressure need some help!
 
   / New holland tc30 3 point lift #2  
Just lift and lower the handle in a slow cycle while the engine is on. It self bleeds as long as theres enough fluid in it.

I'm surprised the arms stayed up for 2 weeks.
 
   / New holland tc30 3 point lift #3  
Welcome to TBN. I don't like to leave pressure on the hydraulic system when parked. I lower my arena drag with the engine off all the time, it weighs more than a box blade. Same with the FEL. Here is the troubleshooting page from my TC40DA repair manual. Just some things to check.

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