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hydraulic

  1. S

    Rc-240 LE slow all functions

    Just wonder any Volvo guys in here I have a Ec-240 LC serial number is ec240lcc03863 all functions are slow. I check pressure at both pumps I got 3700 psi when running functions. I check servo side and had 2200 psi at high idle. I also have a pulsating going on with joy stick when functions...
  2. A

    t595 loosing and regaining hydraulic function

    Hello, I have a 2016 t595 that I purchased to use around the farm. It was recently serviced by bobcat and has been running great. A few days ago, I topped off the hydraulic oil, just under the red line. I went to use it today, engine starts just fine, I press the green button, turn the throttle...
  3. S

    Cat 924H 3rd Valve

    Hello! I recently purchased a 2009 cat 924h. When bought, the 3rd valve hydraulic lines were capped off on the boom (I am assuming they were never used). I bought the lines and tubes to route the 3rd valve lines from the boom through the quick attach. I hooked up my Kage hydraulic angle plow to...
  4. Ace Al

    Terex PT 110 Hydraulic not working properly

    I have a 2015 Terex PT110 forester with about 3 thousand hours on it. Once in operation for an hour or two, the hydronic system stops working. Cannot move the arms up or down, also unable to go forward or reverse the machine. Nothing happens when moving the joystick; no winding down of engine...
  5. 1775

    TS14G Steers only one way

    Hello all, I have a ts14g that only steers one way all of the sudden. All the hydraulic components have been rebuilt - pump, flow reversing valve, double relief valve, and steering valve. We have had the hydraulic pump rebuilt 3 times in the last 2 years. I'm at a complete loss as to what to...
    • 1775
    • Thread
    • hydraulic scraper ts14 ts14g
    • Replies: 5
    • Forum: Scrapers
  6. W

    Grove amz50 HELP!

    I recently purchased a property that came with a grove amz50. The lift appears to be in good shape 2500hrs on the meter. It fired right up but I have no controls. Throttle responds to control inputs but no movement anywhere. When I came to the machine the hydro was drained. I added new fluid...
  7. 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...
  8. S

    Help! Case 70xt Auto-level/electrical issues.

    I just purchased an 04 Case 70xt for a very good price in seemingly really good condition! It does have a few of issues, one of which is very frustrating: it is stuck in self level mode. When raising the arms it auto levels. When lowering it holds the position you left it in until you're...
    • Stohne
    • Thread
    • 70xt case electrical hydraulic
    • Replies: 0
    • Forum: Skid Steers
  9. N

    Anyone buy hydraulic seals from All States?

    Their pricing is really good for the seals to fit my case 580C. Just wondering if anyone else has used them. How's the quality?
  10. C

    CAT 277C No Right Stick Controls - Driver Warning Light Flashing, no Alarm (USMC Equipment)

    Trying to diagnose a Marine Corps skid loader. Driving controls work, bucket controls (right stick) do not, and tool controls (auxiliary controls) seem to work. The driver warning light is flashing, there is no alarm/buzzer. The battalion has a CAT computer but it's out of date so we can't read...
  11. H

    How to bleed air from hydraulic system? - CAT 304

    Hi all, I'm starting a new thread for this issue. The original issue resulted in me removing the main control valve, cleaning it up, and installing new seals: https://www.heavyequipmentforums.com/threads/final-drive-motor-on-one-side-bogging-down-engine-cat-304cr.95940/ It's a 2004 Cat 304cr...
  12. Junkyardmitch

    272c cat skid steer lost all hydraulic function

    Hello, first post so bare with me. 2010 cat 272c wheeled skid loader yard hand was operating it said he heard a quick nose( he could not describe the noise) and lost all hydraulic functions wouldn’t drive move arm bucket ect zero function. After playing with the switches and checking fuses and...
  13. Newbury1289

    JD 544k overheating

    i have a 2018 JD 544k with 777 hr the problem i am having is the cooling fan is not working properly, the fan is running at 200rpm at 100% command, and about 500 rpm at wide open throttle, I tested for power at solenoid I have 26v when running, and tested solenoid, this machine does not have...
  14. A

    580CK Model 33 Loader Lift Seals

    I have been working on my 580CK. Does anyone have experience ordering and replacing the lift cylinder seals? Where did you order your seals from and were they the right size? Thank you for your help.
  15. H

    Final Drive Motor on One Side Bogging Down Engine - Cat 304cr

    I just replaced both final drives on this machine. It solved my issue on one side (caused by a failed final drive) but I'm still having a problem with the other side. Basically, when I engage the final drive on that side, the engine bogs down and the hydraulic pump whines like it's under...
  16. C

    Hitachi 120-2 Won't Swing

    Recently picked up a Hitachi 120-2, previous owner lost swing function during use. He rebuilt swing motor and had local Deere service check pressures, they checked out ok. Unit free swings by hand while all other hydraulic functions work properly (Boom, Travel and Bucket). Could this be a...
    • Chase D.
    • Thread
    • 120-2 hitachi hitachi hydraulic swing
    • Replies: 17
    • Forum: Excavators
  17. H

    Where to Buy Hydraulic Thumb?

    I've been looking for a hydraulic thumb for my Cat 304c. I want the pin-mounted type, not a weld-on. I've exhausted Google search and haven't found anything, new or used. Does anyone have a source for hydraulic thumbs?
  18. S

    CAT 226B TILT RAM NOT HOLDING PRESSURE

    So I was stockpiling some wet sand today and all of a sudden my machine won't hold tilt. It looses pressure even when empty. What can be the issue? My machine is a cat 226b.
  19. T

    1986 c30 roll back tow truck blowing the seals out the hydraulic

    Hey I’ve got a old c30 roll back tow truck. Seems like whenever the bed bottoms out it blows the seal clean out the rear of the hydraulic. We tried repacking it twice and every-time it over pressurized and boom goes the seal and bushing right out the back. Any idea what could be causing this?
    • Tomcat955
    • Thread
    • c30 chevy hydraulic sq body tow trucks
    • Replies: 8
    • Forum: Trucks
  20. T

    1986 c30 roll back tow truck blowing the seals out the hydraulic

    Hey I’ve got a old c30 roll back tow truck. Seems like whenever the bed bottoms out it blows the seal clean out the rear of the hydraulic. We tried repacking it twice and every-time it over pressurized and boom goes the seal and bushing right out the back. Any idea what could be causing this?
    • Tomcat955
    • Thread
    • c30 chevy hydraulic sq body tow trucks
    • Replies: 0
    • Forum: Trucks
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