Pressure Compensated Pump Adjustments - Part 1

The bias spring, the compensator, the control piston — in this video, we'll learn about ALL the parts of a Pressure Compensated Pump. Next, we'll look at the right way to adjust the compensator setting... and the wrong way!

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[المصراتيالمصراتي-نط]

First of all Thank you for your support
We have pump rexroth a4vg 180
Mounted concrete pump after we state pump the pump not in 0 pistion move to one set after we change the parts move only 10 strok and than agine stack on one site

[WEBBBASSIST]

This is very helpful for me I am looking at a new job and its hydraulic maintenance. I have been reading up alot on the systems but this video really helped me to visually see and understand thank you.

[laneburgess]

Thank you so much for making these great videos. They are the best ones I have seen.

[AnnzhengQui]

It is really helpful for me, thank you.

[khaledredjil]

hello So this is the best and clear understandable ones for pressure compensation, i need the same one for load sensing thanks

[mlvr]

I would love to see a video on 3 stage compensators on vane pumps and solenoid controlled compensators.

[simpiljaya]

Sir, can you review the uchida rexroth A10VD43SR pump with 2 piston pumps, how does it work, thank you sir

[zanehawkins]

This video was very helpful. It would have been more helpful if you provided a little more detail on what was happening in the control piston.

[hemantgokhale]

We have a hydr power pack A4VSO DP500 . The tally plate says ' power setting = 392 Kw '. We have another pump same make / type, the power setting says 427 Kw.
1. How do I adjust the 427 Kw pump to run on the 392 Kw prime mover. Both pumps are otherwise identical in all respects.
2. What if the 427 Kw pump is run from a 392 or 410 kw prime mover.
The input range of the pump given as 385 to 435 Kw.

[jbrmed]

Hi, Can I get the Caterpillar software without paying?

[sandroleonardo]

How about high temperature oil if pump running to system ?

[ABC-tntx]

why odd number of piston is used in hydraulic pump? Like 7 or 9.

[ahmedalfadaly]

could you tell me how to obtain this software

[BASEDinMaine]

Thank you so much for this well-made and carefully explained video! I'm studying for our first test in fluid power systems, and solving a physics problem involving a variable displacement, pressure-compensated pump and our book is hopelessly inadequate at explaining how to adjust or overcome changes to the system.

The problem involves someone increasing a load from 20 tons to 30 tons (system was designed for 20 tons) and we are tasked with determining if it will still function. The load is extended and retracted and we are given the bore and rod sizes, as well as a value of 2500psi setting for the main relief valve. Doing the math reveals the system is fine for extension pressure, but pressure builds beyond the 2500 psi upon retraction of the load. Not sure if I can just adjust compensator setting safely to the higher pressure needs... Hoping that other videos in this series will help me understand how to overcome this issue without changing components in our theoretical circuit.

[Mech.Masters]

I AM ABOUT TO DEVELOP A 30 TON SERVOHYDRAULIC TESTING MACHINE, AND I HAVE SELECTED A 30 HP MOTOR AND 37 CM3/REV YUKEN PISTON PUMP.
I AM CONFUSED WHETHER I SHOULD SELECT RADIAL OR AXIAL PISTON PUMP?
CAN ANYONE HELP ME OUT?
IF I HAVE TO SELECT AXIAL PISTON PUMP THEN I AM CONFUSED BETWEEN
1) PRESSURE COMPENSATOR TYPE
2) CONSTANT POWER CONTROL TYPE
3) LOAD SENSING TYPE..
KINDLY PLEASE HELP

[peterevans]

How long until your site is up and running?

[andreroy]

Hello, love your all your videos, I'm trying to understand prime mover rotation. It may sound simple of a question, but can't find the information anywhere. I have a Vickers PVH980-L... that has to hook up to a diesel motor. The manual state's "Shaft rotation, viewed at
prime mover end: counterclockwise". Does that mean the output of the motor is counterclockwise or the input of the pump?

[hassanmosa]

Can you give me Name and model of the oil pump to the same specifications and Hee be small ... please

[ryanbarringer]

Come on guys. You always need a relief on a pressure comp system.

[macosgomesreis]

Tinha de ser traduzido por portugues brasileiro