How an orbitrol is assembled. ✔
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Orbitrol is a type of valve block used to supplying or guiding oil flow to the hydraulic steering mechanism. JCB machines have hydraulically operated power steering; the orbitrol is heart of this steering mechanism.
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![[Hydraulic Steering] Orbital Valve Rebuild and How it Works](http://i.ytimg.com/vi/kflK40LN2XI/mqdefault.jpg)
![[Hydraulic Steering] Orbital Valve Rebuild and How it Works](/img/tr.png)
Hello , I have serviced these several times , particularly on tractors with front - end loaders fitted , as the usual chain of events is that somebody turns the steering wheel while the machine is stationary , & the engine running at fast tickover , this causes an almighty build - up of hydraulic pressure in the "live " side of the circuitry , which finds the easiest way out , straight through the valve body top seal & kin - ring pack & then all over your cab floor !
Usually the replacement seal kit costs about £15 to £20 here in England , but you will have "one extremely hard time " fitting the new seal kit into the top of the valve body without the correct special tool kit for your series of valve , as it fits in quite tightly , & you can,t get at it to cobble it as it,s right up in the top of the valve bore .
Also the parts of these valves are very finely machined & matched , it is imperative to keep them scrupulously clean & in exactly the original position , orientation & order , failure to achieve this will render the valve disfunctional on refitting .
I,ve got the Churchill tool kit for my series of valves , can somebody tell me on here what SIMPLE video camera with a very good lens to look out for , as next time I do one I,ll try to video the proceedings & post it . I have an heavy eastern england accent , people think I,m Australian but I,m not , so stick with it for my voiceover ! I,ve been doing these seal kits since approx 1982 . Please note ; Churchill special tools still exist as part of The Sealed Power Corporation , near Northampton , England , buy your tool kits from them , to suit , as I did . Don,t copy mine , you will infringe patents , & these things are exceptionally finely machined , so they would not work if you did . Work out what you,ve got & phone SPX .
Happy Spanners !
If you are taking one apart make sure to mark the parts according to the original alignment. Or else you will have to make a total mess and take it apart many times to figure out the alignment. The unit i took apart did not work properly unless it was in its original alignment.
Tks for the comment.
Yes, will simplify it.
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you have left out important points,the inner spool can be assembled in 2 positions,with a shift of 180 degrees ,in respect to outer spool.If assembled in wrong position ,the steering jams ,when u turn left.And the gerotor in some models,has a correct position in respect to the needle pin.
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Mate, thank you so much for saying that. It is exactly what has happened to me. Jams going left after I reassembled. Thank you thank you thank you! I was pulling my hair out.
My wheel keep going left I have to turn right then left and then right for them to go back right. But I have never open or removed the orbritol. Is this my problem if so how do I rebuild it???
El Mero Mero things that cause it,
1)the plate springs holding the outer spool position, to the inner spool are faulty.
2)The steering cylinder seals or tube is damaged.
3) The slots on the inner spool is clogged.
4) The steering column bearings are damaged.
5) The rubber coupling between the steering column rod and orbitrol is damaged.
regs
@ El Mero Mero : Just change the pipes from left to right and from right to left .
Thanks for the comment. we are now available on Google play also.
its supplies the flow, which senses the movement of the steering.
its works when steering is moved.
Thank you for helping me out with your video.👍👍👍
Much appreciated, but your video(s) aren't the only ones. CZcams recently changed things such as video player screen size and "hide annotations" button, they needed to leave it alone!
I hope some system mod. is reading ;)
As to your videos, great work, highly informative...thank you again!
I am the producer of Orbitrol and my brand is HANJIU.
I would like to compare the price and performance with Orbitrol in the video.
Thank you buddy, good explanation very useful information, please explain the path of flow when the steering is not activated.
Yes u r correct...Tks. Please Join us on face book at HowMachineWorks --Our page
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Thank you, please rate the video.
Yes, we do, its part of our job.
Thanks! Terrific video.
Thank you.
Thank you, very useful.
Gud one..
For Anne Svendby with the MB Trac ; I have not seen the steering valve in an MB Trac , but if it looks just like this one , then you have to get it right out , scrupulously clean on the bench , & I,m sorry but the only way to get the seal arrangement out completely is to reference mark all the components at the bottom of the valve block , as this lot encompasses a manually turned pump that will provide " some " steering power if your engine ends up dead on the road , or if you are trying to pull - start it , this includes all the bolts , as at least one is a special bolt that retains a ball bearing in an oil port , mark it all , everything must go back where it came from ! strip off the bottom of the valve , then very carefully tap out the valve core & sleeve assembly with a wooden tool , take your time , the valve core will fall straight out of it,s sleeve if not handled with caution , & there is a con - rod arrangement inside it being driven by a cross - pin that operates the manually turned pump mentioned earlier , through a simple leaf spring arrangement , this is what gives the steering wheel it,s propensity to spring back to neutral , the tool to fit it all back together comprises a highly accurately machined steel sleeve that plugs into the central hole in the valve body , a plunger that looks a bit like a steel mushroom , with a plastic cap that dowels onto it,s top , this cap carries the lubricated & assembled kin ring & internal O ring assembly , & having fitted the outer , top single lip seal first , ( lip facing outwards , it just keeps the muck out , ) you locate the plunger into the bore , with the sleeve inserted first & dripping in oil , then stand the lot upright on the plunger,s substantial base , & snap it down centrally & firmly into place , withdraw the plunger , & tool sleeve , leaving the plastic cap in place in the top of the valve body , it is holding the kin ring & O ring in place , fit the valve sleeve & core assembly back in , then doing this will push the plastic cap out , reassemble the valve body pump etc , refit . ( YOU OF COURSE USE A NEW SEAL KIT FOR ALL THIS ! ) The golden rule is to mark everything first , before dis-assembly , the tool part number here in England for this is V.L. Churchill MS 62/1 , MS62/2 & MS 63 , I only live a few miles frm the old churchill factory , but they seem to have disappeared , if you can find them again I,d like to know where they are , someone mentioned Blisworth or Brixworth , Northamptonshire , but as yet , no joy . This company,s tools are / were the very best . Be warned , different machine makers may use different sizes of components that look just the same until measured , then you find out the expensive tools you just bought don,t fit , I suggest you contact your local Agricultural College machinery dept for advice , as they sometimes " use " projects like this to train students on , & may already have the tools .For M B Trac knowledge I would look to Lincolnshire or East Anglia , a great old mate I haven,t seen for years went to work for a company called Townshends of Threekingham & Metheringham , Lincolnshire , they were Mercedes agents , his name ; Richard ( Dick ) Bradshaw , he was the red hot storeman who supplied me with many Leyland tractor bits from Stamford ( Power Farming , now gone ) in the 1990,s , great bloke ! Best Regards & Happy Spanners ! .
thank you for showing us ...
Thank you my friend 4 sharing this video..
Great video but you left out an important point what stops the hydrolic fluid from coming out at the steering port
Tractor
If I might add... also, gear pumps are the most common type for most transportation applications. They can deliver high flow, maintain high pressure and accept harsher operational conditions than larger piston, screw or vein pumps for similar or less money. Also, they are cheaper/ simpler to fix compared to most
Dear youtube...LET US HAVE THE OPTION TO TURN OFF THE ANNOTATIONS AGAIN!!!
Thank you for the tutorial vid.
thank you.
I've always wondered how these work, thanks for the excellent demonstration and explanation!
I like verymuch.thanks a lot
Buena excelente explicación te doy un 10.
thank u come again
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You did not say the keeping correct timing ( setting Pump rotor position ) when assemble.
This is Shijiazhuang Hanjiu Technology Co.,Ltd,we mainly produce Hydraulic orbital Motor and Hydraulic steering unit and Hydraulic Directional valve
HANJIU Orbital Steering Valve 101s applications:
1 Change Danfoss, Eaton, M + S and other brands, the advantage is the price concessions, the quality is close.
2 Replacing tractors like John Deere, Claas, New Holland and other harvesters Orbital to OEM.
3 Replacing Delin, Crown, Toyota, Komatsu,JCB,Doosan and other brands Forklift Steering Valve OEM
good job, thank you!
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Bro can u tell in Hindi ,everyone can understand easily
Do you know what's the flow volume of this EATON CHAR-LYNN 236-4008-002 STEERING VALVE basing on the number?
+Gniwo Ed Not now let me check
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Do you know of anyone who re-seals an orbitrol made by sumitomo Eaton? Preferably in the U.S. Mine leaks around the splined steering shaft female end. Appears to be a lipped seal there. Not sure if that's the seal or just a wiper?
God bless if some one install like this. Because this assembly has a timing and if it is mis matched steering will not work right and if it is off from a articulated machine, one could be killed if he stand articulating area.
Good Job.
شكرا جزيلا على الشرح تأفعلها غدا
Thank you sir 🇧🇩🤝
Can we use this pump for hydraulic press
wrongly done, you missed the cross pin and its importance....also there is no drain in steering unit information given by you is completely wrong..atleast read the catalouge for once..
hello, do you have any written info about the orbitrol valve, with functions, applications and more? im having a hard time reading a lot of ambiguous internet post about it, also i would like to know if you know something about the applications on boats for the orbitrol. Thanks for the video
Good job
Super mamari sir
Where is the orbital located on 3cx do you know?
I believe it’s located to the pedal console which is housed at the centre of the front firewall in the cab
Hello this is tanveer I googled a lot about how orbitrol works but I am enabled to find any thing . Can you please tell me about any link or any e- book where I can find how obitrol works . I will be really thank full to you.
brother this is only how to assemble orbitrol, i mean to ask that is there any animation by wich i can understand how orbitrol control oil flow in steering unit
Thanks you
Its a steering pump, used in back hoe loaders
good mornig
Good morning
instructions would have been better with subtitles in English-language on all the different videos
For the pump/assistance to work the inner spool must push against the centering spring to allow the respective ports to open and allow fluid to flow to left or right cylinder you do not explain what holds the outer spool against the effort applied to the inner spool to align the spool ports for this to occur - otherwise the two spools will just keep rotating together and fluid will be dumped back to the tank without any assistance.
jCB steering vibration that the valve same my steering... what the problem,,,???
How to strip the pump
,whats the problim our orbitrol is hard to turn lift or right,, pls help ser
what is the actual need of gear pump?
THX MAN
Merci 👍👍👍
I have assembled a orbitrol valve. Now the steering wheel is vibrating. Plz guide me.
your gear timing is out
retentor sai por baixo?
I can't figure out why that bull just sits there in there like that it will fall out the other side of the line if you move it around is it supposed to be like that
it a check valve on P to T.when pump working the ball block P to T port and when pump not work and you need turn streering wheel the ball move and open T port to orbitrol for oil sucktion
Spool spool spool spool spoool spooooooollll spoooooolllllllll
hi i have an danfoss 200ls on one of my jcb ive got some problem with it.when i turn right its smooth but when i turn left its hard to turn.and also i would like to know the diameter of the ball valve.could someone help me please??
I have the same problem as you have solved
I found this pump (new pump) in scrap I goole it. Came to know it's a steering pump.
Y dont care abt enginehaks and padmakumars advice its very important
Where can I buy the o rings kit for the orbitrol MODEL number RW051B120R6A? Anybody here knows? I'm in texas in the RGV area.
Need to translate in Hindi language
hello u have showed the assamble only u have not showen the allinement of the the internal gear,shaft and the outer gear its the most importent to assamble the orbital unit,since some orbital do have there own allinment we can assamble how ever we want but some dont have that we have to do the allinment ,since i am doing this job since 20 years.
Hello Sir, do you have any document or a video in which the alignment of the inner and outer gear is explained. Also the basic simulation of the oil flow from the oil flow passage between the spools could be understood more clearly. It would be a great help. If you have any document please mail me at "vrushabh.sawant@gmail.com". Thankyou
You are 100% correct. I jacked with one for almost two days to figure out what was wrong. I just wanted to replace the seal which was leaking and did not pay enough attention to the alignment of the wheels. After the seal replacement steering wheel started to turn by itself as soon as i touch it. By the time that i figured out whats wrong i have taken apart the unit for 7 times 🤦♂️ it was a total disaster.
Hello sir, can you explain how the no end lock and 14 degree lock can be overcome during the testing process
كيف يتم الفحص
People might wounder what am talking about (Let me give examples the ball ,the two washer and the bearing assemble he forget that or possible he don't know
не хрена не понял но судя по всему работать будет могли бы на русски перевести
Всё хорошо!!! На русском бы. :-)
This video is not useful he forget some other things (it is sad to see he making a video to make money ) that can not teach a ordinary man to fix .
ale pierdoli