Hydraulics Work and then Quit

[Vtfirefighter]

Check also the 3ph lever isn't in the up position........it'll blow over a relief valve and block the flow coming from the FEL valve

Thanks guys for the clues. I'll have to try these ideas tomorrow. I did notice that my 3 pt hitch lever was up a little, about midway and pushed it back down but now I'm not sure I pushed it all the way down. I will also check the connections a little closer too. Just kinda strange how it happened. I've plowed my driveway so many times over the last three years and never had any problems. The only thing different today was that I loaded up my snow thrower in the bucket and drove through about 18 inches of snow to get to the back porch( about 50 feet). But it was light and fluffy snow. Nothing that could have knocked a line loose or anything I would think. It truly was light and fluffy I snow.

 

[Soundguy]

check qd's always.. they can get cocked and still pass some oil.. but not much.. or look hooked and pass none.

relief doing anything when you energize a circuit that don't respond?

 

[J_J]

Thanks guys for the clues. I'll have to try these ideas tomorrow. I did notice that my 3 pt hitch lever was up a little, about midway and pushed it back down but now I'm not sure I pushed it all the way down. I will also check the connections a little closer too. Just kinda strange how it happened. I've plowed my driveway so many times over the last three years and never had any problems. The only thing different today was that I loaded up my snow thrower in the bucket and drove through about 18 inches of snow to get to the back porch( about 50 feet). But it was light and fluffy snow. Nothing that could have knocked a line loose or anything I would think. It truly was light and fluffy I snow.

3pt lever is supposed to be in the neutral position for locked operation. About midway. If the lift arms are not rising or falling, they are in the neutral position.

If the lift arms leak down in the neutral position, then the 3pt cyl seals are leaking.

Lever up all the way will bypass fluid over the relief.

Lever down will release all fluid from the 3pt cyl, and lift arms will fall.

The descent knob will control the descent rate or lock the 3pt cyl in any position you desire.