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hydraulic pressure problem

  1. H

    JCB JS130 Hydraulic problems - Dipper functions weak

    Hello everyone. I have a 2000 JCB JS130 Excavator I recently purchased .... At an auction... May be my problem right there. Has 3200 hours. The machine moves fast and tracks quickly in all speeds. I can rotate the tracks opposite one another with no issue. However it does wander towards one...
    • HeinWernerOP
    • Thread
    • excavator hydraulic pressure problem jcb jcb js130
    • Replies: 0
    • Forum: Excavators
  2. Z

    Issue in electric hydraulic pump system

    One hypothesis is that there is air in the line but there may be a larger story at play. Please see the full length of this 60 second video. A few details: -the issue does not present when initially running the pump, but presents after making 10-15 presses -I checked the hydraulic reservoir...
  3. P

    cat 246c starting issues

    246c cat 3044 engine wont turn over properly..replaced starter..battery...all battery cables. Still turns over very slow. Removed belt to a/c compressor..removed glow plugs(trying to reduce compression) Seams to be dead heading pressure. Either hydraulic pressure or injection pump? Removed...
    • preston harer
    • Thread
    • cat starting issues hydraulic pressure problem injection pump
    • Replies: 4
    • Forum: Skid Steers
  4. casey518

    JCB 3CX (1400B) Losing hydraulic pressure at operating temperature.

    My 1986 JCB loses hydraulic pressure as the fluid reaches warmer temperatures. I am running new ISO 46. The machine has a gear pump and a relief valve that controls the loader and hoe pressure independently. When I first start the machine all functions meet spec pressure (about 3000psi on...
  5. Syleng1

    Hitachi EX swing issue

    Hitachi EX120-2 Excavator 1995 4,500hrs. I'm having issues with the swing motor. At first it would act lazy after 2-3 hrs. of use and now it barely swings after 10 mins from cold to warm. Meaning it moves left or right but at about a foot per 5 seconds with the bucket and arm curled in. Forget...
    • Syleng1
    • Thread
    • ex120-2 hydraulic pressure problem
    • Replies: 8
    • Forum: Excavators
  6. A

    Caterpillar CS-533E hydraulic system

    Hello. I have a problem in my Caterpillar CS533E. It shows this indicator with alarm. I have changed the hydraulic filter, but the the fault still exists. Thank you in advance.
  7. PbBelly

    Komatsu Excavator hydraulic issue

    My cousin is running a Komatsu PC138 USLC-2EO excavator ser# 2078 Product ID # KMTPCO44T044T01002078. He bought it 10+ years ago with 1,700 hours on it. From day one it has had a problem not steering when tramming once the machine is thoroughly warmed up. It works fine for the first couple of...
    • PbBelly
    • Thread
    • excavator hydraulic pressure problem komatsu pc138
    • Replies: 31
    • Forum: Excavators
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