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  1. O

    Case 621c hydraulic problems

    No air bubbles in tank I've checked multiple times It sounds like cavitating or the main relief popping off I was also wondering if maybe the accumulators were bad and taking all the flow away from the pump
  2. O

    Case 621c hydraulic problems

    Sorry I didn't get any notification that anyone replied both hydraulic pumps were known good used and the main relief was brand new from case I did check intake hose when the pump was off as well as screen in the tank both were good The screen however is a mesh filter was thinking about...
  3. O

    Case 621c hydraulic problems

    Looking for some help boss bought this machine sight unseen biggest problem with it is the hydraulics both steering and bucket functions are weak and pump sounds like it's cavitating Replaced pump same thing happens Replaced main relief valve same thing Can't raise bucket empty without...
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