toro grounds master 4100D Cancel The title field is required!

1. Smith Kipp R

   
   3/30/2016 4:03 PM

   Hello everyone...We are having trouble with the right wing not following contour of the ground. The cylinder seems to always have pressure against it and not allowing the wing to flex. It will raise up while going over a hump and will not float back down. Also when trying to lower from up position you have to hold the control valve down until it reaches the ground. We replaced the cylinder, adjusted the counter balance valve, looked to make sure no pivot points were bent or out of whack. I believe it is a hydro issue just can't figure it out. Maybe in the control valve just not sure. Any help would be greatly appreciated.
   Thank You

   
   
   
   
2. Bob Pruneau

   

   5 posts
   
   3/31/2016 5:03 PM

   Maybe one of the hoses are bad . If the hoses on the left are the same ...switch them and see if the problem follows it. Sometimes the hose tears on the inside and Slows the flow going one way .

   
   
   
   
3. Karl Harris

   

   0 posts
   
   4/1/2016 7:04 AM

   Have you tried adjusting the flow control for deck lower speed? Maybe something stuck in the valve itself? Or could be the detent or poppet in lift/lower control valve.
   
   
   Adjust Cutting Deck Flow Control Valve
   The cutting deck lift circuit is equipped with an adjustable flow control valve used to adjust the rate at which the cutting decks lower. The control valve is located under the front platform. Adjust flow control valve as follows:
   1.
   Run machine to get hydraulic oil at operating temperatures. Park machine on a level surface, shut engine off and lower cutting decks to the ground.
   2.
   Locate valve under front of machine (Fig. 42).
   3.
   Loosen setscrew on valve and rotate valve clockwise to slow down drop rate of cutting decks.
   4.
   Verify adjustment by raising and lowering cutting decks several times. Readjust as required. Figure 42
   1 2
   1. Cutting deck lift flow control valve
   5. After desired drop rate is attained, tighten setscrew 2. Front deck hydraulic manifold on valve to lock adjustment.
   Hydraulic