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spool

  1. H

    How to Determine Spool Orientation in Hydraulic Valve (Rebuilding Main Control Valve)

    I'm rebuilding the main control valve in my Cat 304CR (NAD00987) and I'm having trouble determining which way to install the spools. Some of the spools look like they're the same on each end -- others are clearly meant to be installed in a particular orientation. All of the spools have a...
  2. E

    Case 1845c weak drive motor.

    I have a 95 1845c with originally weak drive motors on one side. The guy I bought it from had a machine that had bad drive motors and he swapped the motors fixing his and now the machine I have is weak. Sold it because it had been in a fire and needed alot hoses and stuff etc. So with that in...
    • Ewayne_R
    • Thread
    • 1845c case drive motor pump side spool tandem valve weak
    • Replies: 4
    • Forum: Skid Steers
  3. T

    Bobcat s70 bucket curl sticking

    I had an s70 come in with a leak and bucket curl function sticking. The leak was from the bucket curl spool seal. I removed valve and resealed the valve. Did not notice any damage to spool or bore. I put everything back together and the bucket curl function was still sticking. I noticed that the...
  4. 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
  5. G

    753 Cracked bucket spool Bushing

    After fixing oring leaks, doing some log splitting no bogging or anything heard and all of a sudden all my hydraulic fluid is on the ground. ;( Found the culprit today and saw the oil was spewing out of the bucket spool on the front part. So I took it apart and found that the bushing that holds...
    • gta18
    • Thread
    • 753 bobcat leak oil leak rebuild spool
    • Replies: 0
    • Forum: Skid Steers
  6. Brado4life

    Case 580ck with model 33 backhoe control valve broken spring

    Hi everyone. I have been rebuilding my 1970 Case 580ck. I just took the control valve off the backhoe and while inspecting it and replacing the seals, one of two springs in the swing spool section was broken. It is for the secondary relief valve and is part #D43418. I cannot find a...
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