930CK Draft-O-Matic hydrolic troubles.

My 930CK is running damn near perfect, Engines is running perfect after getting rebuilt last fall, Tranny shifts smooth no clutch problems what so ever.

But Im having truble with the hydrolics, an its getting gradualy worse. Over the past two years Ive noticed my hydrolics have been slow. I had no problem lifting things with the 3pt even if it was slightly slow, it still managed to get it up quick enough. But the outlits are a lot slower. Last fall after getting getting the Old girl back from getting rebuilt, the hydrolic outlits no longer were able to work are round bale wrapper.

This summer ive noticed that when I first start out the hydrolics are slugish, they still lifted, but by the by the end of the day/12 hours of mowing down hay it will no longer lift up the haybine.

So Im thinkin the hydrolic pump is just about shot. But all the while Im still wondering if this is the only problem because that 3pt still seems to work well?

Any advice?

Oh an while it was in the shop last fall, the mechanic did put the shimms in the valve to increase preasure.

Thanks in advance.