Hydraulic accumulators

YELROM

Member
Location
North Yorkshire
Just checked the hydraulic accumulators on the front suspension of our New Holland TVT190 and they've both split.
I will sit down and price genuine ones:greedy:
Where else should i price them and how do you find the pressure/spec to price pattern ones, I havn't cleaned the old ones off properly yet but there seems a lot stamped on them that doesn't look to mean a lot

@cosmagedon
 

Blue.

Member
Livestock Farmer
Just checked the hydraulic accumulators on the front suspension of our New Holland TVT190 and they've both split.
I will sit down and price genuine ones:greedy:
Where else should i price them and how do you find the pressure/spec to price pattern ones, I havn't cleaned the old ones off properly yet but there seems a lot stamped on them that doesn't look to mean a lot

@cosmagedon
There's a lad on f4f who knows about the accumulators @win ?
 

v8willy

Member
Mixed Farmer
Just got most of ours recharged & made a hell of a difference, supposed to be recharged every year or so apparently, & I would now agree, took them off & took them to local hydro place, about £100 odd a tractor.
 

YELROM

Member
Location
North Yorkshire
Just got most of ours recharged & made a hell of a difference, supposed to be recharged every year or so apparently, & I would now agree, took them off & took them to local hydro place, about £100 odd a tractor.

Reading some old posts @cosmagedon recharges them himself
Does anyone know what the kit would cost to do them yourself as we have 10 accumulators which will soon add up if checked annually
 

ih1455xl

Member
Mixed Farmer
Location
northampton
Just checked the hydraulic accumulators on the front suspension of our New Holland TVT190 and they've both split.
I will sit down and price genuine ones:greedy:
Where else should i price them and how do you find the pressure/spec to price pattern ones, I havn't cleaned the old ones off properly yet but there seems a lot stamped on them that doesn't look to mean a lot

@cosmagedon
Have you any part numbers I cab check
 

Phil P

Member
Arable Farmer
Location
North West
Reading some old posts @cosmagedon recharges them himself
Does anyone know what the kit would cost to do them yourself as we have 10 accumulators which will soon add up if checked annually
Don’t forget you also need a bottle of nitrogen to do recharging, you can’t just pump them up with air unless you want them to go pop?.
The kits are a lot cheaper than they use to be! Just found this one on amazon prime, tempted myself ?
171F58C3-CF80-45FE-9A6C-B99CA1C801B2.jpeg
 

Mr Happy

Member
Location
Norwich
There are two types of accumulators, diaphragm (none repairable) and bladder (repairable). The most common type found on tractor suspension are the diaphragm type which can be recharged using a pre-charge nitrogen kit. If you are looking for new units the part numbers on the accumulators should be enough info for you to get new units but you will need to know the nitrogen pre-charge.
 

YELROM

Member
Location
North Yorkshire
Don’t forget you also need a bottle of nitrogen to do recharging, you can’t just pump them up with air unless you want them to go pop?.
The kits are a lot cheaper than they use to be! Just found this one on amazon prime, tempted myself ?
View attachment 860095
I was looking at something simular on ebay for about £125. Is the gas just straight nitrogen


If i have got the right gas it doesn't seem to dear if you could get a rent free bottle
 

Phil P

Member
Arable Farmer
Location
North West
I was looking at something simular on ebay for about £125. Is the gas just straight nitrogen


If i have got the right gas it doesn't seem to dear if you could get a rent free bottle

Yes just straight nitrogen, it’s the rental that’s a killer if it’s not getting regular use!
You can always use for blowing the tires up on your car as well, would help justify the cost ?
 
Just checked the hydraulic accumulators on the front suspension of our New Holland TVT190 and they've both split.
I will sit down and price genuine ones:greedy:
Where else should i price them and how do you find the pressure/spec to price pattern ones, I havn't cleaned the old ones off properly yet but there seems a lot stamped on them that doesn't look to mean a lot

@cosmagedon
My cvx 195 needs a pair as well all the information is stamped on the bottle all I remember is they are 1.4 ltrs but pressures and thread is all there just go to I think Hydac website and it explains it all, but tbh I never located any yet seemed to be dealer only but I must get some sorted out let us k ow how you get on
 

v8willy

Member
Mixed Farmer
Just got most of ours recharged & made a hell of a difference, supposed to be recharged every year or so apparently, & I would now agree, took them off & took them to local hydro place, about £100 odd a tractor.
Getting the rest done tomorrow, can't get them off one of the tractors so getting them done on site just hope they are still intact, can do the Deere while he is here hopefully & that will be 4 tractors done, plan to go again in 5 years or so.
 

cosmagedon

Member
Location
North Wales
I've got a Oaler charging kit and I get my nitrogen from SGS gas rent free, I'm still on my first bottle!

So long as the charging kit has all the adapters there's not much in them to be honest, I've used loads of different makes over the years and they are all much the same.

I get all my accumulators from Hydraquip, usually you only need to know the size in Lts and the thread on the bottom. But if you buy a generic one with say a 1/2" BSP you can then get an adapter to screw it in.

Now when I say usually that's because the front suspension accumulator on the T7's was a strange shape to be able to fit in place so I had to order a genuine one from Hydac but it was still a lot cheaper than NH.
 

Colliedog

Member
Location
Dorset
I assume you have screwed the Allen heads in and seen oil coming out to know they are knackered otherwise they are rechargeable. These Chinese recharging kits on amazon and eBay are really good and very useful in the farm workshop as so much farm machinery uses accumulators these days. The cheapest nitrogen I have found rent free is https://www.adamsgas.co.uk/product/...inder-for-air-conditioning-pipe-line-purging/ at £41including your deposit. you will also need a 5/8 argon adaptor to join the kit to the bottle.
Just remember if your charging to a pre know pressure you will have to remove them, as any hydraulic pressure on the other side of the diaphragm will reduce the volume of the chamber and therefore your pre set pressure.
I think this is the spec and part number for your accumulators. www.donkerwolke.be/cat_fr/detail.asp?idc=1&idb=22&idt=9143&idst=17506&idp=95810&idi=1921875
 

maxxum5120

Member
Location
S W LANCASHIRE
How do you know if the accumulator has gone? I ask because the multitrac steering on my hardi trailed sprayer keeps losing its pressure and then wanders slightly until you re pressurise it. There are no leaks but it has an accumulator fitted and i think this may be the problem.
 

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