Troubleshooting Hydraulic Cylinders & Pumps
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- Опубликовано: 26 авг 2024
- Is your cylinder moving too slowly? Or not advancing at all? Hydraulic cylinders and pumps come in a variety of shapes and sizes, but they also can experience a few common errors.
In this video, Pat Clark of LGH demonstrates a few troubleshooting solutions for your hydraulic cylinders and pumps in the hopes of ensuring a successful and productive project.
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I have a log splitter that’s been upright for a while n not used. Works both way s. I can’t get the cylinder to move hydraulically but can with a pry bar. Oil comes out of return inside the tank n sprays readily. If I understand I need to get horizontal n bleed the line. ?? Any vids on that ?
Thanks so much for this video. What are the primary differences between using ATF vs hydraulic fluid on automotive hoists?
As a lifting medium, there is no difference. ATF is a hydraulic fluid that has more detergents and wear additives and is generally more expensive. ATF's intended application is in automatic transmissions, which requires the oil to do more than just act as a pressure medium. ATF can "scrub" or clean out a system much better than regular hydraulic oil, so if you use ATF make sure to change your filters religiously.
@@A_friend_of_Aristotle Thanks. It is a sealed system so I am unsure how it could get dirty.
I had a leaking seal on my two stage cylinder for my PORT A HOIST Canadian auto lift so sucked out all the 10+ gallons of crystal clear ATF (recycled it, UGH I should have burned it all in my VW TDI) then changed out for hydraulic fluid hoping it could help. Of course I had to change out the seals. Too bad! Still running with the same juice.
Good tips. Great video
the dump trailer is not lowering all the way. it stays up about the last 4 inches. What could be the issue?
Marvelous explanation
😂😂
Hello team
I have a cylinder which is not opening and closing but pump is working.
Kindly assist.
Thanks.
How do you know the pump is working? What is the flow rate? What is system pressure? What kind of pump? What is the application?
What is weight compacity of wheel chair lifts
can you explain kamag lifting cylinder adjustment 😊
I have a hL 30 30 new cylinders . Lift works but will not move forward just jerks . It start to smoke from somewhere .
What do you think the problem will be with the hand pump when you you pump and nothing happens.
I have made sure the the oil and everything is all fine and filled to its expectation??
i wish you had some answers here as I have that now
The pump seals may be bad, or the check valve might be stuck open. Disassemble it, replace the seals and clean everything. Make sure the check valve moves freely, or replace it entirely.
I have scissor jack for car.
Loading no problem.
But putting down one piston go down more quickly than other
might be your shuttle valve
Sr u have a leyland 384 but the higdralic goes up but comes down slowly why?
I bought a used enerpac and noticed when I disconnect an accessory(after use) there is a bit of oil in the coupling. Do I need a new hose? It happens if I connect -- disconnect any of my 4 of my accessories. Or is that just -to be expected
perfectly normal
Suppose you are the in charge of a power plant. There is a huge hydraulic pump working continuously and from few days its making huge sound and vibration. Please, find out the problem and suggest possible solution for this situation
Sounds like cavitation. This can come from one of two possible problems: low oil (look for leaks elsewhere) or air getting into the pump inlet (look for a loose hose or inlet fitting). Another possible problem could be a collapsing pump inlet hose. Other possibilities could be oil too thick, restrictions on the inlet side due to bends or fittings, kinked hose or hardline, cold oil, or plugged inlet strainer.
Most cavitation problems occur on the inlet side of the pump, between the pump and the tank.
Thanks
Thanks I owe you some glass of beer
1:03 in layman's what does he mean by inverting?
Turn it over
@@Babbyclubber, like when an hour-glass is "flipped" or inverted over once all the sand empties.
Can anyone help me with this problem, our hydraulic arm manages to raise but get stuck mid-range and starts "jumping" when trying to raise to full position. This problem only occurs on auto-mode, when raised manually (by holding the switch in raise mode) it manages to go to full position and engage the limit switch.
Another problem we have on another arm is that it doesn't manage to raise at all when in auto-mode. But if it is raised an inch or so manually, then switch to auto, it will continue the raise.
Without knowing more about the system in question, it sounds like a solenoid or controller issue. If everything works fine in manual I would discount any problem with the directional control valve, cylinder, or linkages/pilot controls to the directional control valve. If the auto feature controls the pilot system, there will be solenoid operated valves being controlled by an ECM. If you can connect with the manufactures diagnostics software do so and see if any error codes are present. I would suspect an electrical or electronic problem rather than mechanical or hydraulic.
Without knowing more about the system in question, it sounds like a solenoid or controller issue. If everything works fine in manual I would discount any problem with the directional control valve, cylinder, or linkages/pilot controls to the directional control valve. If the auto feature controls the pilot system, there will be solenoid operated valves being controlled by an ECM. If you can connect with the manufactures diagnostics software do so and see if any error codes are present. I would suspect an electrical or electronic problem rather than mechanical or hydraulic.
Sir I hv JCB 540-170telescop loader when I close boom and colse engine then automatic boom open why?
sanjay kumar cylinder. internal. leaking. change seal
Nice one m8.
Sir my John deear tractor hydrolic leavrs are going up and down very slowely with impliment or without it. Why sir
pump is worn out, not enough flow to get speed
Shims for ram head
@@geoffroybrabant-vincent9526 what does inverting the cylinder mean??
Thanks it is helpful
Hi i have a mixer machine and the movement of the cylinder is not smooth, jittery. What could be the problem? Thank you appreciate your help.
Possible air in the oil. Look for pump inlet leaks or low reservoir level.
Thanks sir
arm cylinder not goes down
Light seapage is normal, Heavy flow is not.
i have a problem. twice my cylinder fall
Plzzmake a video on motor testing
Some pretty bad spelling in the subtitles. Does nobody check these things ?