Help on hydraulics!

/ Help on hydraulics! #1  

scoutcub

Veteran Member
Joined
Aug 19, 2008
Messages
2,374
Location
Ohio
Tractor
Yanmar LX4900//Cub 7532//Cub Yanmar SC2400//Komatsu D38//Cub Volunteer//Cub SZ60/CAT 289C/CAT 308
Have a CUT with loader problem that is stumping me. (not 2 hard)

The bucket roll (dump) goes very s-l-o-w . And, it only rolls at idle rpm. If I bump up the RPM's, it rolls the reverse direction. All other loader functions are normal...lift, and rollback. There is a leak in one roll cylinder....a slow leak since I've had it. (not very long) Just checked the hydro oil, but appears to be full....?? even after a few puddles wherever I park it. At first I thought it was low on oil....now I'm thinking it's overfilled? Or air in the lines? I tried to cycle the loader today for .5 hour, no difference. If there's a load in the bucket, or once it goes past top dead center, it rolls easier. (gravity)
Any help would be greatly appreciated!
 
/ Help on hydraulics! #2  
What machine are we talking about?

But my first guess would be a valve problem, either internal or in the linkages.
 
/ Help on hydraulics!
  • Thread Starter
#3  
It's a Cub 6284.
 

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