Hydaulic shudder when lowering bucket on bobcat

Posted by cootbruce on February 05, 2005 at 06:05:00 from (24.213.27.142):

My M600 bobcat is running great now...after much work, including rebuilding the spool valves. Last problem to correct is a intermittent shudder of the bucket that only occurs when lowering the bucket and only at a certan speed of lowering it. Also, the engine comes under load when the bucket is lowering. If I feather the lever and let it down slow, no problem, and if I "drop" the bucket fast, no problem, it only seems to appear when lowering the bucket at about the same speed as it raises...I have new filter, and plenty of oil in the system. It did this even before rebuilding the spool valves...I am considering a bad hydaulic line that is resticting flow when under pressure...any thoughts on that idea? or any other thoughts...thanks

Follow Ups:

• Re: Hydaulic shudder when lowering bucket on bobca ben brown 17:24:20 02/05/05 (0)
• Re: Hydaulic shudder when lowering bucket on bobca Midwest redneck 14:45:40 02/05/05 (0)
• Re: Hydaulic shudder when lowering bucket on bobca Old Pokey 08:54:46 02/05/05 (0)
• Re: Hydaulic shudder when lowering bucket on bobca Bob 08:16:51 02/05/05 (0)
• Re: Hydaulic shudder when lowering bucket on bobca Midwest redneck 07:02:53 02/05/05 (1)
  • Re: Hydaulic shudder when lowering bucket on bobca cootbruce 11:23:04 02/05/05 (0)

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