Backhoe controls, wierd things happening

Posted by Ed in Maine on June 19, 2005 at 18:35:05 from (66.82.9.34):

To move the hoe bucket, you have to bump on another hyraulic lever to get the bucket lever to cause a reaction. i.e. I have to hold down on the bucket lever (nothing moves), but if I just barely put some tension on the boom lever, the bucket will curl right up. Does not have to be the boom, could just put tension on the swing pedal and that will cause it to curl. Is this a relief valve issue or an o-ring issue on the spool? The o-rings on the bucket are in the worst shape, won't even return to center from one directioin when I let go of it. It will return to center from the other direction though (the one that puts tension on the spring in the bottom of the spool). Any ideas? relief valves, o-rings, junk in the line? I replaced the filter and topped off the fluid, no change. Still has lots of power and digs good.

Case 310B construction king, 1959

Ed

Follow Ups:

• Re: Backhoe controls, wierd things happening fallon in ct 08:24:04 01/17/06 (0)
• Re: Backhoe controls, wierd things happening old 19:42:20 06/19/05 (1)
  • Re: Backhoe controls, wierd things happening Ed in Maine 16:30:13 06/20/05 (0)

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