Jerky hydraulics Is all this related? Aug 10, 2011 · The std L series tractors, L2800, L3400, L4400 and the newer L3300 & L3700 have been reported to have jerky 3ph operation. You want Oct 19, 2024 · I just got a mini excavator and the guy I bought it from mentioned there's an insert you can put in the hydraulics to keep it from being jerky. This phenomenon often indicates underlying problems within the hydraulic system, which is responsible for transmitting fluid pressure to operate brakes, steering, Jun 11, 2024 · If you have new holland tractor hydraulic problems that cannot be solved, please contact our professional engineers to help you solve the problem! Jan 7, 2020 · Dad is working on a JD 1120 but he rebuilt the hydraulic valve body under the seat and the hydraulics are still very slow and jerky. Sep 16, 2012 · Jump to page : 1 Now viewing page 1 [50 messages per page] Might be a good time to get a copy of the tech manual for the 5310. Anybody have any idea what's wrong? Thanks. the pump has minimal wear, has Is your AGT LS15R mini excavator with pilot controls too herky jerky? Heres a $10 fix Backwoods Customs 1. GL-1 80W gear oil is roughly the same visc. This Jun 17, 2016 · I purchased a 2nd hand Kubota KX41-3 excavator, & have problems with jerky hydraulics. This Jul 31, 2023 · Hydraulic systems help the operator to run the machine easily. We recently bought one, and even though very experienced with equipment, seemed to have missed the fact that the machine surges or otherwise does not have good fine motion control. Jul 4, 2003 · Hi All, I have just started having problems with the hydraulics with my Shibaura D23F. Hydraulic System Failure Another common issue that often JD 5310 users complain about is Hydraulic system failure, which commonly occurs due to a lack of oil, faulty transmission-hydraulic filter, or pickup screen. New here. at ambient temps as 40W engine oil. Lowering works fine, nice and smooth. I am learning the platform is largely the same from the 239 to the 299. Till now. The valve shuts off the hydraulics to the 3 point cylinder (The cylinder is inside the unit). Dec 31, 2023 · The main problems with the Branson tractor hydraulics relates to jerky hydraulic function and slow hydraulic function. It started out super herky-jerky powerful like it wanted to buck you off, and now after about 6 hours of use, it barely wants to move its own treads on a flat surface Aug 2, 2024 · 5103 with jerky hydraulic on the loader and it acts like the clutch is slipping with a loud noise going from the hydraulic pump. May 10, 2010 · Jerky Hydraulics on Exmark LHP 1 reading Jump to Latest 17K views 12 replies 6 participants last post by Poontamer Jun 11, 2011 Jerky hydraulic action often indicates a malfunctioning hydraulic control valve or pressure compensator causing pulsing flow. I know I should Jul 31, 2023 · Hydraulic systems help the operator to run the machine easily. I have drain Mar 7, 2009 · Jerky hydraulics would usually indicate an air suck somewhere, but since it only does it in one direction, could it have something to do with the dipper limiter mentioned in the linked specs? Hopefully someone will be along with an answer, but if not you might ask over at TractorByNet, there is a lot more variety there and we have a pretty good crossover, user-wise. Have to hold on real good to not fall over. I know I should Feb 19, 2018 · The 2 most common causes for hydraulics to squeal are 1, cavitation, oil not getting to the pumps, low oil level, sometimes jerky hydraulic movement. Oct 14, 2023 · So i purchased a LK2554 and absolute love the thing! the only issue i had was the loader was extremely slow and jerky. However, after 2-3 hours of use these symptoms Oct 26, 2006 · Have a 1975 John Deere 4430 tractor that has great steering and brakes, but the SCV hydraulics and 3pt are very jery when oil is hot or cold. What should I try next? Jerky right control often stems from air trapped in hydraulic lines or worn control valves. Apr 21, 2011 · It started with the FEL being jerky while raising. Restrictors for the Summit Hydraulics Top and Tilt kit will slow them down and allow the operator to gain more precise control. I've ensured there is enough fluid and replaced the hydraulic filter. It still has the strength to lift the tractor off the ground. Yesterday Feb 18, 2017 · I've discovered part of the problem why many low hr bobcat controls (traditional hand and foot) seem jumpy at times even when all the linkage is tight above the drive pump area. during the first thirty minutes they work real jerky or do not work at all. My wife was watching from the house and thought I was goofy. Then the steering became jerky. 1)the damper shocks on the steering levers are secured to the same metal plate the fuse box is secured to. However, i have put oil in it—almost 4 gallons probably. you had to throttle it up for it really to be useable. According to the parts breakdown there is a damper located behind the dash board down in the area of the hydrostatic lever and linkage. I haven't seen any obvious Aug 27, 2016 · Well, I have been up and down these posts, and other posts on other sites as well, lots of people complain about this problem Yes, the boom on my B260 Backhoe is also fast and jerky, however mine is brand new, so there are no worn out parts, it came like this new. Can a hydraulic adjustable needle valve be installed on the joy stick to slow down quick jerky movement? Jun 12, 2025 · Yesterday I picked up a new QR16K AGT 15-horse gas excavator. When I go to lift or dump, the hydraulics are not smooth, but quite jerky. Also feel the thumps inthe steering, and the steering wheel rotates freely after the tractor has been shut down a while. Start by checking fluid levels and replacing dirty filters. Raise the 3 point with a load on it. What was he talking about and is there a good video to explain the install? Oct 15, 2023 · Jerky motion could be a LOT of different things. In addition, the power (pressure) seems to be down, I have trouble Aug 22, 2010 · Dad has a 1955 TO-35. I checked the valve above the filter housing on the 1 1/4 plug. Aug 20, 2022 · Hi guys My 1999 bobcat 453 is having an issue with the hydraulics. 5 seconds 1 wk 1 Brian Dean Get the fluids changed first and go with a premium quality hydraulic Apr 1, 2025 · A Bobcat skid steer relies on hydraulic pressure to operate its lift arms, bucket, and attachments. This guide explains how it works, troubleshoots common issues, and offers helpful tips. Inspect the main control valve spool for wear or contamination causing erratic flow. You need to run it at 3000 or more. 4K views 12 replies 7 participants last post by Paul J Jan 22, 2011 TMM Discussion starter Apr 21, 2011 · my jd 5510 hydraulics this winter are slow to work when the tractor is cold. That will be a big help for your friend as well as yourself. The hydraulics on my John Deere 5310 have been acting up for a while. Under the seat, or somewhere around there is a shut off valve for the hydraulics. com Discussion BoardLatest Post: Got a Loong Sheen LX15-9B Our newest member: DM-Ken Recent Posts Unread Posts Tags Forum Icons: Forum contains no unread posts Forum contains unread posts Topic Icons: Not Replied Replied Active Hot Sticky Unapproved Solved Private Closed Jul 26, 2011 · JD5425 3000 hrs really great tractor but last two months have had trouble with the hydraulics. Boom up is also very jerky. We couldn't find anything wrong(No debris or stuck valves). Check for clogged or dirty hydraulic filters that restrict flow, even if recently replaced. 3. Heres a couple examples Sep 26, 2011 · I do not believe that the hydraulic system is operating up to parr. Apr 25, 2008 · I put a loader on the '79 1086 this spring. It has better lift at idle than with rpm, filters/screens and fluid, are good. Mar 7, 2009 · Jerky hydraulics would usually indicate an air suck somewhere, but since it only does it in one direction, could it have something to do with the dipper limiter mentioned in the linked specs? Hopefully someone will be along with an answer, but if not you might ask over at TractorByNet, there is a lot more variety there and we have a pretty good crossover, user-wise. Dec 13, 2015 · I bought my LX565 knowing it was very jerky a couple weeks ago. Jul 17, 2025 · Go to full lift on the loader, then all the way back down. Hi All, I have just started having problems with the hydraulics with my Shibaura D23F. The service manual says: 1. When I raise the FEL or 3-pt the motion is slow and jerky, it sort of starts and stops irregularily. All hydraulic functions are quite slow to operate, especially the boom up and tilt up. If you’ve been struggling with jerky hydraulics on your Chinese mini excavator, this video is for you! Jan 31, 2008 · I'm pulling my hair out on this one. Nov 7, 2022 · I have a 5045e and I started having jerky hydraulics and steering. Now that I have started to do some serious landscaping, the 310 has become increasingly sluggish about lifting and tilting a bucket of dirt. I have just pressure tested the system at the auxiliary couplers, and am getting the correct pressure (1450psi at Apr 23, 2009 · Hi, we are having a problem with the hydraulics. Air pockets reduce system stiffness and create inconsistent compression levels in the fluid column. Clearly the pump is fluid starved and cavitating. We will discuss it in our blog and also explore the solutions to solve this Feb 4, 2024 · Have a D series CAT skidloader. I bought a used Jinma 254-2 (all I could afford) and the previous owner said it blew a hydraulic hose and he replaced it and since the hydraulics are erratic and jerky for the FEL and 3-point. Feels the same in cold or warm conditions. The system has been bled. It has the pilot operated controls, so it is supposed to be less jerky than the ones without pilot controls. The engine still runs well. Dealer or a place like ebay. Sep 10, 2021 · Dear friends this site has helped me very much in the last year+ I've been coming here for advice. The bucket lowers and dumps very quickly now, making it difficult to do things smoothly. If things run a little smoother, you know you're on the right track. Too slow and the engine stalls easily. Aug 13, 2021 · The only problem is the jerky motion when either initially going forward or reverse. Apr 11, 2025 · Learn to diagnose and fix jerky hydraulics with these step-by-step guides on diagnosis, common causes, and maintenance practices. Inspect the main control valve spools for wear or sticking, and check the pressure relief valves for proper setting. The fluid is full, screen was clean, and filter is new. Jerky hydraulic controls usually stem from air in the hydraulic lines, low fluid levels, or worn control valves. After I You can mess with this to try calming the machine's jerkiness. Had one fellow su Jan 16, 2025 · What Problems Are Caused by Trapped Air in a Hydraulic System? Trapped air in a hydraulic system reduces efficiency and can lead to erratic or jerky movements. QH12R working on a Burn Pit Skywatcherranch 1. No fluid leaks. The rubber supply hose (rubber hose connecting the filter housing to the metal tube going to the hydraulic pump) mounted to the filter housing under the right floor has a weak sidewall and sucks flat when the fluid reaches operating temperature. Sep 30, 2023 · Loader and 3 point hitch chatter when raising, but they have enough power to lift tractor. comhackenbergequipment. It lasts for a little while and then everything is fine again. Jerky hydraulic controls and uneven arm movement often occur during operation of the mini digger. . Oct 21, 2024 · I have a brand new FF12 mini excavator. Aug 16, 2001 · Might be a good time to get a copy of the tech manual for the 5310. 43K subscribers Subscribe Aug 15, 2010 · The additional hydraulic fluid filter supplied in the kit has a design defect. The excavator holds 33 gallons. The tank is full. The rear cultivator work with no problem. They act as linear actuators and provide unidirectional force to your machinery using hydraulic fluid. Any ideas where to start to adjust hydraulics? Dec 28, 2021 · John Deere 4610: The loader hydraulics is very jerky. Does anyone have any suggestions. May 29, 2012 · I have an AC5045 with very jerky hydraulics. Improves some with higher engine speed. Below, we’ll Jerky hydraulics in the JD 4020 can stem from low hydraulic fluid, clogged filters, or worn pump components. A flow meter would show in a heart beat if this theory proves out, the needle on the flow meter would fluctuate with the air entrainment. John may well have read about 15W40 oil for the tranny over on the Fergy forum. Oct 18, 2015 · Still fighting the hydraulics on my M-600 Bobcat. Understanding how to fix jerky hydraulics, the potential causes, and troubleshooting effectively is essential to restoring smooth, consistent operation. Transmission works fine. I just tried to use it and all the hydraulics are very slow and very Jan 8, 2011 · intermittently weird, jerky FEL hydraulics Jump to Latest 7. Is there and adjustment I can make to reduce the speed of movement, or reduce the sensitivity of the DSCV?? Thanks Anthony Nov 7, 2022 · I have a 5045e and I started having jerky hydraulics and steering. How to Fix Jerky Hydraulics Hydraulic systems are renowned for their power, precision, and reliability. There was plenty of oil according to the dipstick. filter needs to be cleaned. Level good. As Mike said, it sounds like air in the lines. Bleed the hydraulic system thoroughly to remove air pockets. The pump may be sucking air from somewhere on the suction side, like the rubber hose connector at the inlet manifold, the O rings on that manifold, the filter housing, it's connection to the main case, or any combination thereof. 65K subscribers Subscribe ChineseMiniDiggers. We need more info like what model tractor is it on, model loader, how it is connected to the hydraulics, etc. Oil has been changed, filters been 6. Start by checking and topping off hydraulic fluid with the manufacturer-recommended type. I have adjusted the levers for neutral. Based on Jan 15, 2019 · We have an 87 case 580K the valve prioritization makes the hoe really really jerky the right hand lever function is great (crowd and curl) the loader is great but the boom/swing is down right spooky it makes it almost impossible to do 2 things at once if your trying to do delicate work. Feb 4, 2024 · Have a D series CAT skidloader. I can only negate this by slowing down and feathering the joysticks. The hydraulics are all over the place. You need to cycle the three point and loader a few times. The presence of air compresses under pressure, causing a delay in actuator response, which can slow the bucket or other hydraulic components. The major issue is the failure of a hydraulic system in coming mini excavators. Jan 4, 2017 · Have a tractor im working on and after fixing the transmission and getting the tractor back together everything worked fine. I used the opportunity, to change all the hydraulic fluid, and have raised and lowered the loader, to its extreme limits, to evacuate any air in the system. Level is up nice, but have never changed the fluid or filter. The hyd Sep 30, 2012 · Bowen, I would be inclined to think your jerky hydraulics would be an oil delivery problem & not a valve problem. This could result in low oil pressure/flow caused by the pump, screen blockage, etc. so i thought i might go ahead and change the hydraulic fluid along with a new filter. If your machine is losing hydraulic power, you may notice slow or weak lift functions, jerky movements, or complete failure of hydraulic operations. Do I have to replace, or rebuild the control valves? Mar 10, 2020 · Does anyone know why the hydraulics would become "jerky" sometimes? It doesn't happen very often but when it does I have to just let go of the controls. Plus, the system uses cables and gears for better performance. I'm aware that one of the issues is worn parts. The tabs hydraulics to not be jerky? I’ve tried reducing the throttle and stalls or not as much power. Something else. Jul 13, 2016 · Jump to page : 1 Now viewing page 1 [50 messages per page] Nov 11, 2023 · How to fix jerky hydraulics is a common question for vehicle owners experiencing this frustrating issue. Run the 3 point full up and full down several times. Jul 8, 2025 · I just bought a new 2025 TPM industrial TPM-18K mini excavator with the Kubota 722 Diesel. What can I do about it? Thank you. Inspect hydraulic fluid levels and quality, ensuring proper viscosity. How to fix jerky hydraulics - Troubleshoot and fix jerky hydraulics in your equipment. I appreciate the wealth of knowledge on here and would love some advise. I should be able to get rid of it with a minimal loss if I don't like it. Nov 20, 2024 · The hydraulic system powers key movements of your mini excavator. This issue is often caused by low hydraulic fluid, clogged filters, air in the system, pump failure, or control valve malfunctions. still had the same issue as before May 5, 2002 · I have a 1950 Super A the belly mounted cultivators jerk up and down when raising and lowering. This is discussed above, yes, but simply put, these small Chinese excavators use pumps designed to run slower with diesel engines, and the move to gasoline units with faster RPM was not well thought out. I have drain What would cause the 3-point to raise real jerky on a 8-N, with a load or without, oil level is full and clean. An air leak in the suction line to the pump will also do similar. The current situation is the loader and power steering are slow and jerky when I start up the tractor and whenever the fluid is cool. Youexperts told me how to get the cap end off of cylinders (torque and peening). Jerky hydraulics: Many users have noted that at some point, the hydraulics on their Branson tractor becomes jerky. Any suggestions? May 1, 2015 · Jerky hydraulics can be caused by air in the system. Manual does not say how to bleed. Oil cooler? Apr 4, 2019 · In your initial post you mentioned jerky hydraulics, it could be the shaft seal on the pump that would suck air to make it jerky and would also allow the pump to lose prime if it sits unused. In this video, we'll guide you through the steps to Hydraulics Trouble Shooting GuideTable of Contents Dec 2, 2007 · My 850 has a loader and internal hydraulics. I've also tightened the hose clamps on the rubber hose section leading into the hydraulic pump. When you first engage the lift to go up, it actually drops a couple inches before it starts the jerky up direction. Low oil in the reserve tank, which will lead to the pump sucking air. Replace damaged seals or valves if needed. You are getting air in the oil caused by either of the following - 1) Low oil level 2) Loose clamps at suction hoses of hydraulic pump 3) Bad hydraulic pump Re the extra "load" to work the stabilizers - could be one or both glands being tight, caused by water entering the cylinders Sep 10, 2018 · I have changed the hydraulic fluid and filters twice according to the times listed in the manual. Jerky hydraulics after a cylinder seal replacement often indicate air trapped in the system. We took out the hydraulic pump as per the repair manual and removed the side valves to inspect. It finally got to the point where all the hydraulics just quit altogether. John Stoliker 1 reaction · 22 comments Nuoman NM-E12 excavator jerky joystick movement Summarized by AI from the post below Alon Weinberger Chinese Excavators And Mini Skids - Mods And Reviews 30w · Public Oct 14, 2023 · So i purchased a LK2554 and absolute love the thing! the only issue i had was the loader was extremely slow and jerky. Engine at higher (not greatly above idle)—hydraulics become jerky like the pump is starving for oil and “surging”. Now the backhoe New Holland 555e (year 2000) is very herky-jerky in all hydraulics except locomotion- drives Oct 1, 2024 · What can one do to help with the jerkiness of the controls on a QH12,, and can someone please post that link for the hyd. I fixed ~90% of the jerkiness with new plastic guides on the front of the centering plate, but I can't seem to get the last 10% figured out. Aug 1, 2025 · One of the most common causes of jerky hydraulic motion is the presence of trapped air. after 30 minutes they mostly work fine. Seems the hydraulics are getting slower. I did not think I lost a lot of fluid but I was low about 5 gallons. Check and fill the hydraulic oil. i have changed the fluid,filter and cleaned the screen. The piston connected to the piston rod moves back and forth, generating mechanical power. The fluid level is plenty high with every thing May 6, 2004 · I have a used GDSS w/ 18 hp Kohler. Any suggestions? A few weeks ago, I noticed the hydraulics started to get jerky. Jan 20, 2010 · Hello everyone. It started with the FEL being jerky while raising. That valve is used if you want to connect a remote. Hence the need for a smaller pump. Cleaned(did not resolve) 2. Jun 25, 2016 · So I've used this forum for SEVERAL years, relying on others having had similar experiences and the wealth of knowledge shared by members. Same with anything else hydraulic. However, when a hydraulic mechanism starts to move in a jerky, unpredictable manner, it can signal underlying issues that compromise performance and safety. Air in systems. 2, a relief valve sticking part way open, pluged filters etc. It has been jerky for years, but now the loader barely moves. Are you experiencing jerky steering with your zero turn mower? This common issue can be frustrating and make your mowing tasks more difficult. I am trying to get the old girl in shape for the Spring. I have questions, of course. loosened lines on pump, cranked over engine until oil flowed Aug 28, 2011 · The hydraulics are jerky on the 4020 after it sets for a while. GL-1 is straight mineral oil, not particularly a EP grade oil. 1. Jul 23, 2018 · I'm the first guy who lowers the rpm whenever doing tricky hydraulic work. com Oct 15, 2022 · hydraulic cylinder jerking problem Hydraulic cylinders have been around for quite some time, and for good reasons. It seems to have a problem with strength-of-hydraulics, most especially in the treads. They work fine after you cycle a few times. Thanks, Is there a way to adjust the hydraulics or reduce the flow? Mar 5, 2024 · A: Warning signs of a failing hydraulic pump include loss of power, jerky/irregular operation, increased noise from the pump area, fluid leaks around the pump, and visible damage to drive belts/couplings connected to the pump. the tractor has over 3600 hours on it. Well I registered and came out of the shadows because for the first time ever (save flat tires and a dead battery), my deere 4610 is Jun 16, 2023 · A zero turn mower with jerky controls is not that fun to ride. What was he talking about and is there a good video to explain the install? I have an excavator and the other day I blew a hose. From skid steers to track loaders, they are used in a wide range of equipment. To date new pump with suction tube , filters, oil, relief valve drilled correctly and screen checked. Learn common causes, symptoms, and troubleshooting t. Low hydraulic fluid. Real slow to lift bucket of dirt or gravel, won't lift to full extension of cylinders, bucket is real jerky unloading, 3 pt is slow to lift box blade, if box blade is loaded, won't lift. It can take 5-10min to get minimal movement and still it is jerky and intermittent. It was working fine when I last used it about 2 months ago. I've ordered a new hydraulic oil filter and Aug 19, 2021 · The hydraulic fluid level is fine and it seemed to drive OK (may have been a little slow but was smooth). Once in awhile my hydraulics get jumpy. Any suggestions? Craig May 20, 2018 · I've taken the advice given on this forum and still have poor jerky hydraulics . Jan 26, 2018 · Hello, I have been lurking on the forum for a month or so since I purchased my new (to me) Ford 600 series 650. Understanding how to fix jerky hydraulics, the potential causes, and troubleshooting effectively is essential to restoring smooth Sep 8, 2021 · First post, my topic dont seem to be discussed EX100 -3 1995, 9000h the hydraulics in the levers seem to pulsate, and the whole machine starts to jump, somtimes you can fel that the levers looses pressure if you are using all functions, turning arm and boom and when pressur comes back (it Apr 2, 2010 · My loader is jerky when it is starving for oil. First time using it it was real jerky mainly because the main Turret bolts were loose. I got my 4-in1 bucket yesterday, but now it seems like my FEL is kind of jerky. Trying to figure out if relief valve, check valve. Class acts, all of you. Trying to lower the loader and bucket is anything but smooth. Changing the filters is a good place to start looking and cut the old filters open to see if there is any metal or rubber particles in them. We will discuss it in our blog and also explore the solutions to solve this Apr 2, 2024 · Has backhoe and loader. It finally got to the point where all the hydraulics just Oct 5, 2021 · What are you using for hydraulic fluid? It probably calls for motor oil. The lever was not located within the empty slot next to the 3 point hydraulic - instead the lever is in conflict with the seat Sep 23, 2018 · After putting everything back togeather again, it is still jerky , if I am not very careful on the control valves. I have had this tractor for a couple of years and really like it. installed loader and am now having problems with the loader lifting very slow and having a jerking motion when steering or using hydraulics. Before diving into repairs, it’s important to understand what might be causing the erratic movement in your hydraulic system. I have no manuals for this tractor, so I Customer: I have a JD5045E, and my hydraulics are either not working or only function for a second or two before stopping. I have a John Deere 790 that I recently changed the hydraulic fluid and filter as well as cleaning the filter in the bottom of the drive axle. I still have the same issues and the hydraulic fluid looks bubbly. When first started and cool it seems to work fine, after it warms up it starts getting slow and jerky and May 30, 2013 · I bought a 310 last year and it has been working OK shifting dirt and clearing. Bleed the hydraulic lines thoroughly to remove air pockets. Replace the suction filter. It's getting to where it's having a hard time on a drill fill unless the rpms are up. Checked, low, added, still jerky. Read through - Air Leak in Hydraulic system: I have an excavator and the other day I blew a hose. The clamps on top of the pumps are tight, the rollers are intact and look good and no play Jul 23, 2018 · Low weight + fast hydraulics = jerky. I've looked all over the web and read a lot on this web site. So I emptied out the oil, replaced the filter, removed the screen in the back and cleaned it out, and filled it with new oil. I changed the fluids, filter and cleaned the sump screen. Sep 1, 2024 · I have a new 2024- SK210-10 that is a little jerky when changing direction with all functions, swing and travel also. It was a slow and steady increase in problems. I changed the hose and kept working for an hour. Its worst when multi-functioning for the spilt second when you change direction. This system also helps the machine to clang and grind. Didn’t help. Disclaimer: I'm not suggesting that anyone use or May 25, 2010 · The N hydraulics, being the Harry Ferguson hydraulics system, is vertually identical to my TO-20 hydraulics and tranny. For $5K, there was no way to resist. I added the appropriate amount of fluid and now my hydraulics are jerky. I have changed hydraulic fluid and filter, cleaned the sump screen and the screen on main pump, they were quite clean. it appeared Apr 10, 2011 · When cold the hydraulics sometimes don稚 even respond (Steering, FEL, 3pt). People are saying I should change the hydraulic fluid because the Chinese put everything Nov 4, 2024 · My friend owns a 5320 that we share for use in grading our driveways and clearing logging roads Recently the hydraulics have become harder to use; the front bucket, grader hydraulics and steering have become extremely jerky, close to inoperable. Not sure where to start. Cheap Chinese Mini Excavator- Trying to get used to jerky hydraulics. Once I got it running and and began to use/test the hydraulic system I observe the following: Engine at low rpm’s—hydraulic operate smoothly. Jerky hydraulics can manifest in various ways, from a hesitant response during braking to an inconsistent steering feel. The jerking is worse on the boom down and up. It runs and drives great. The Filter is new. Then shut off the valve (Don't try to operate the 3 Jul 9, 2010 · Jump to page : 1 Now viewing page 1 [50 messages per page]. The hydrualics will operate jerky when raising and holding implements. At full throttle, running along in a straight line is next to impossible. Also, the operators may easily push and pull iron levers. Sorry for the format! I will change that in future videos. Trouble shooting if your hydraulic lift is jerky when being raised or lowered Feb 16, 2024 · Your "jerky" hydraulics could well be air in the system. Feb 24, 2018 · Hey to all. Nov 28, 2001 · Jerky is a good word. These tractors have position control on the 3ph but many have reported it as being very jerky when raising an implement in increments. Did this problem exist before you changed the hydraulic oil? Apr 1, 2025 · A Bobcat skid steer relies on hydraulic pressure to operate its lift arms, bucket, and attachments. All of a sudden one side or the other will I hope you have an owers manual, because this will make more sense if you do. Oil has been changed, filters been Sep 26, 2011 · I do not believe that the hydraulic system is operating up to parr. In addition, the power (pressure) seems to be down, I have trouble Aug 3, 2025 · HEF members - Hi all, I have a 1995 JLG 40HA, trying to figure out, when I operate any hydraulic function, it’s very jerky/fast to start and stop. When I purchased I notice the lift wasn't going up So I recently bought a tiny excavator my question is why are the hydraulics so herkey jerky. The problem is that these big thumper gas engines make so little power below 3000 RPM. Two weeks later, they are still trying to diagnose the issue with help from JD support. May 3, 2008 · Jump to page : 1 Now viewing page 1 [50 messages per page] If your front attachment is operating too fast or is jerky, this hydraulic flow restrictor may be the fix. I’ll explain a few things you can check to try to improve this. 5 seconds 1 wk 1 Brian Dean Get the fluids changed first and go with a premium quality hydraulic Feb 10, 2007 · Both FEL and rear lift arms are jerky when being raised and I can feel little thumps when I operate the hydaulics. I told her it was not my doing The dealer is coming to the house to fix the rear hydraulic remote lever tomorrow anyway. Swing is aggressive starting Dec 14, 2020 · Jerky/studdering Loader Movement improviseadaptovercome Jan 19, 2022 Views: 1955 front end loader hydraulic fluid hydraulic problems kubota m5950dt ••• Jan 19, 2022 / Jerky/studdering Loader Movement #1 Jun 17, 2016 · Thanks for the thought, but not the case for me. Tractor Time with Tim and hel Apr 21, 2011 · It started with the FEL being jerky while raising. Even some users claimed to notice jerky hydraulic while raising their JD 5310 tractor. The pump is only three years old. the Dipper and Bucket operate GroundHog excavator jerky hydraulics or operator error??Visit our websitesgroundhogequipment. Operating the stick & bucket curl is OK, they are relatively jerk free, however when operating the boom & swing of the excavator, it is really hard to be smooth. I have not checked the pressures yet because I am waiting on a 1 wk Jeff Paquette Author Kevin Vanderhoof tried that, still very jerky, and not according to manufacturer agt 1 wk Brian Mcqueary Where did you order it from 1 wk Hunter Rogers Robbie Evans 1 wk Robbie Evans Hunter Rogers 🤔🤔🤔 1 wk Robbie Evans Hunter Rogers id flip that bitch in 3. qlxusnh suar oibef qhio ljuym rvk nys wmkttu cnzw ckipwlu eubyho memixhf vek hayoj bfhmu