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pump

  1. B

    Main Pump Bad? Diagnosis - Kobelco SK35SR

    Make: Kobelco SK35SR. SN PX08-06693 (made around the year 2000?) One output of the main piston pump seems to be weak (not enough power to skid one track as well as the other functions that run off that "A" side of the pump). I swapped the lines at the pump output and the weak track side...
  2. K

    Komatsu pc228 code 306

    How’s it going gents, I have a komatsu pc228, the motor will not start. Acting like it’s under full load from the pump, I have code E306, the feedback potential circuit is abnormal, we tested the solenoids and we’re getting the in between 40-60 ohms of resistance the book requires and they were...
    • korbind96
    • Thread
    • 306 code eletric engine excavator hydraulic komatsu komatsu 228 pump
    • Replies: 2
    • Forum: Excavators
  3. K

    Jd 444 Hydraulic issues

    How’s it going guys, I have an old 444 loader, it has no steering, won’t go into gear, and the bucket barely lifts at all, last mechanic to touch it replaced the pump, he didn’t even change the filters when he did it. I changed steering filters on it along with the return filter in the hyd tank...
    • korbind96
    • Thread
    • 444 brakes hydraulic hydraulic troubleshooting lift loader pump steering
    • Replies: 26
    • Forum: Wheel Loaders
  4. W

    Open-center axial piston pump adjustment

    Hi, newbie, but looking for a little expert advice by someone that knows more about this then me. I have a 3.5 ton mini (jd 35g), I believe the pump is a open-center "constant horsepower" type, as there are only output lines and no feedback input. Presumably this is the diagram for my pump...
    • WesRo
    • Thread
    • hydraulic pump temperature
    • Replies: 8
    • Forum: Excavators
  5. Hffhvg

    Lazy track, pump problems.

    Hello masters! I have an issue with my Takeuchi TB 1140 not tracking straight. The right side is sloppy, also it has lower power when going uphill. I’ve read on this forum of a simple test that when traveling and activating the digging function like curling a bucket and if the machine starts...
  6. J

    IT18B FUEL ISSUE!

    I have a customers IT18B, serial prefix “1DF” with a 3204DI. it dropped a valve, put a new reman head on it, and new piston/rings. Can not get it to fire witho it ether or pumping the primer while cranking. Fuel system was a bit sad so decided to overhaul it. Had the injection pump rebuilt, and...
  7. 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: 6
    • Forum: Skid Steers
  8. Keenan

    Case 450B THROTTLE SHAFT LEAK quick fix??

    The fuel injection pump would leak mild to moderate for a while at the throttle assembly area for a while but recently starting leaking very bad to the point where I need to do some kind of quick fix because I don't want to pull the pump and replace it something just enough to slow it down. As...
    • Keenan
    • Thread
    • fix injection leak master pump roosa
    • Replies: 4
    • Forum: Dozers
  9. L

    Bobcat 863: Help a noob locate / fix a leak near the hydrostatic pump

    Hi folks! Hoping you can help me with an 863, for which I've suddenly inherited care-and-feeding responsibility. Here's what I know: It's been leaking small amounts of hydraulic oil out of the back of the oil pan for a while, with no apparent operational issues (other than, ya know, leaking oil...
  10. Seans problems

    Finn T330 pump rebuild manual/procedure

    Hi everyone, I have a T330 hydroseeder and the pumps thrust bearing is bad. I want to rebuild it but I'm unsure of how to get this one apart. Does anyone have a manual or procedure on tear down and the rebuild of these?
  11. G

    D4G NEUTRAL ADJUSTMENT

    HELLO, LOOKING FOR SOME HELP ON A D4G TLX00664, LEFT TRACK CREEPS FORWARD IN PARK BUT WILL STOP CREEPING WHEN RELEASED. WHEN IT TRACKS THE LEFT TRACK SPINS FASTER THAN THE RIGHT. SO IT MISTRACKS. I HAVE ELIMINATED SOLENOIDS OR ANY ELECTRICAL COMPONENT BEINT THE CULPRIT. I AM DOWN TO FRONT PUMP...
    • GUNNER88
    • Thread
    • d3g d4g d5g drive motor neutral adjustment park brake pump track moves in neutral track moves in park
    • Replies: 0
    • Forum: Dozers
  12. H

    Case 1840

    I bought a case 1840 off a friend the other day he hasn’t touched it in 3 years he said he was driving it and the drive would go slower and slower every time he drove it then it wouldn’t move at all. the loader still works. Now would that be both drive pumps going at the same time? or could it...
    • Henkscase
    • Thread
    • case case 1840 hydraulic pump skid steer
    • Replies: 3
    • Forum: Skid Steers
  13. J

    Gehl 4510 tandem pump help

    Hey guys I recently bought a gehl 4510 that was converted to diesel. My question is when I turn sometimes it’s like it’s fighting it’s self. It seems to drive fairly straight. The last owner said he messed with the linkages some and he thought they had to be readjusted. I’ve got a service manual...
  14. J

    Need Help Identifying Portable Water Pump (ITT Marlow)

    Hello, I'm new to the forum and not sure if this is the right place to ask but I recently inherited a large portable water pump. I know nothing about this kind of equipment. I was curious if anyone had any information about it. Not sure when the pump was run last. I'm looking to get rid of it...
  15. Z

    JCB Robot 1110T loader slow

    Greetings, first of all, I have searched every known corner of the internet for an answer (including this forum). I have found others that have similar issues but none have had a conclusion. Now, on to the problem.... I recently bought a jcb robot 1110T servo pilot controls. The locomotion of...
  16. T

    T190 loses power, runs rough, starts smoking when worked hard

    2005 Bobcat T190 with Kubota v2003t. Engine temp gauge never reads over 1/3 all belts recently changed and adjusted. After about an hour or 2 depending on ambient temp and actual workload, unit will start losing power, minor black smoke and stalling on quick movements. At that point if brought...
  17. F

    hydraulic pump question

    I have a John Deere 410g. My pump was rebuilt last year because we (almighty ex didn't do research and blah blah bkah) didnt understand how the parking brake would engage intermittently. Thanks to the forums help I got that fixed by simply adding transmission fluid. So...the pump was rebuilt...
  18. J

    Excavator humming/buzzing noise

    I just purchased a 2008 JCB 8060 Excavator. Everything seemed normal when testing it out. After having it shipped 600 miles to my house I have started to notice a noise. After it is running for a short time I get a humming/buzzing noise that seems to come from under the floorboard. The tone...
    • Jessie H
    • Thread
    • buzzing excavator humming hydraulic jcb noise pump relief relief valve
    • Replies: 0
    • Forum: Excavators
  19. R

    Lots of interviews on Episode 9 of The Crownsmen Partners with Xylem and Big Steel Box

    In episode 9 of The Crownsmen Podcast filmed live at Canadian Institute of Mining Trade Show at Vancouver Convention Center we recorded interviews with SGB-Smit, Xylem Pumps, and Big Steel Box. https://www.crownsmen.com/ep-9-supplying-mines-in-canada/ Hope you enjoy! What companies would you...
    • Rory Bamford
    • Thread
    • container loading plate interview mining mining equipment new equipment podcast pump transformer used equipment xylem
    • Replies: 0
    • Forum: Mining/Aggregates
  20. P

    Bobcat T300 Charge pump issues?

    I have a bobcat t300, has several hydraulic issues all seem to be coming from the same main problem. Error codes that sometimes come up on the display are extreme low charge pressure Issues: Issues with the auxiliary hydraulics (not working at all) loader will only lift (wont come back down)...
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