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spool valve

  1. P

    Bucket cylinder internal damage, what to look after repair?

    Hey guys, my EW180C Volvo had a bucket issue, where it would open or close under it 's weight. Cylinder dissembled and carnage showed up. Tomorrow I m waiting the cylinder back from the machine shop. What I want to ask is what should I look for before I put the machine back to work? Debris and...
    • pados1002
    • Thread
    • bucket damage ew180c hydraulic cylinder main control vavle spool spool valve
    • Replies: 13
    • Forum: Excavators
  2. Bobcat Crazy

    Case 1155D Hydraulic Control (3 spool) Valve Rebuild

    Hi All! I have been able to play with Sweetheart a little since I finished building the engine. (sorry I don't know how to put the link to that thread here, I wish I did). I had the time to take down an old tree that I had been wanting to remove for a while now. When I did I found that one of...
  3. erick93

    Spool For a PC400-7

    Hello my fellow enthusiast I’ve got an issue for a Komatsu PC400-7 excavator Serial No. 50478. We have a Valve ass’y with the part number 723-40-71201 that has a damaged spool. I’ve attached the diagram of the mentioned valve (item 1) and spool (item 2). The thing is that it’s impossible to...
    • erick93
    • Thread
    • help komastsu pc400 spare parts online spool spool valve used parts valve assembly
    • Replies: 1
    • Forum: Excavators
  4. B

    Spool stuck in valve body

    My Bobcat 642 malfunctioned. While operating, the lift arms uncontrollably rose to full extension. The tilt cylinder also extended fully. Both foot controls felt jammed and were unresponsive. At the hydraulic control valve, we noticed that the top spool was protruding more than normal...
  5. obix

    Michigan 75A Troubleshooting Hydraulic Spool Valve

    Hello, I'm looking for some direction in resolving what I believe is a spool valve problem. Pretty sure this is a Husco valve, what I have matches what is in the Parts/Owners manuals for the Clark Michigan 75A Series I. I've included the parts diagram from the manual for the valve. At some...
    • obix
    • Thread
    • hydraulic control valve michigan 75a spool valve
    • Replies: 17
    • Forum: Wheel Loaders
  6. D

    T300 spool valve sticking after replacing seal

    Hello to everyone and thank you in advance for any help you provide. I do most of my own wrench turning and do the best that I can with the self taught knowledge I have to keep my equipment running and my business operating. The machine in question is a 2002 bobcat T300 that runs and operates...
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