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#31
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Why not just use an extra TD sphere?
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Gone to the dark side - Jeff |
#32
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Isnt the 'Bump and Rebound' valves (That form the 'shock-absorber' in connection with the actuator on the trailing-arm) in the entrance to the M.B. SLS Sphere?
The Citroen one--The actual Accumulator-- is made for just that job. They are pretty cheap and wouldnt be much to send overseas.... Here you go-- https://secure.gsfcarparts.com/shop/results.asp Bugger, Cant link to the page, Anyway they are 23 quid each, do a search on that site for Citroen Xantia Sphere, it'll bring up all the various ones used on that model--There's loads, but its the accumulator that would be needed. I defo know the bump-rebound valves are in the spheres on Citroens....
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http://i190.photobucket.com/albums/z...0TDnoplate.jpg Alastair AKA H.C.II South Wales, U.K. based member W123, 1985 300TD Wagon, 256K, -Most recent M.B. purchase, Cost-a-plenty, Gulps BioDiesel extravagantly, and I love it like an old dog. W114, 1975 280E Custard Yellow, -Great above decks needs chassis welding--Really will do it this year.... Last edited by Alastair; 12-10-2010 at 08:35 PM. |
#33
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Quote:
I'd suspect any hydraulic damping valves would be part of the struts themselves, the accumulators act as pneumatic springs not dampers. The FSM should show a cut-away view of the accumulator construction somewhere, that would definatively answer the question. And somewhere there is a thread where someone dissected an MB accumulator showing its internal construction also. |
#34
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Billybob-
You're prob right. I just suspected that those valves maybe in there as thats where the Citroen's valves live, and Ive not had my 'balls' off. Only real difference between the Citroen system and the M.B. SLS is that the Citroen has no road-spring at all. The entire suspension is on the actuator, (Strut) Sphere and Hydraulic pump. --On the Citroen, The Brake-System is also supplied with pressure from the suspension system hydraulics, one reason why its important the accumulator is good on a Citroen! --Lose the hyd. pump with buggered Accumulator and you have only the hyd. pressure in the suspension left to operate the brakes!! If there's no valves in an M.B Suspension Sphere, then it would be an ideal candidate as an Accumulator, as its pressure-range is 'correct' for the SLS system pressure.... The way we used to test Citroen Spheres should also work on the M.B. ones too.... Hitch them up to an Injector Pop Tester. Pump it up, and a good Sphere will rise in pressure until a point where pumping doesnt seem to increase the pressure any more, or if you look carefully, the pressure rise is much slower per stroke (Around 50-70 bar for the Citroen)--This is the actual pressure Inside the Nitrogen side of the Sphere.... --Whats happening is the Nitrogen and the diaphragm are compressing slightly with the pumping and as such you can read the actual pressure of the Nitrogen side, without messing round.....
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http://i190.photobucket.com/albums/z...0TDnoplate.jpg Alastair AKA H.C.II South Wales, U.K. based member W123, 1985 300TD Wagon, 256K, -Most recent M.B. purchase, Cost-a-plenty, Gulps BioDiesel extravagantly, and I love it like an old dog. W114, 1975 280E Custard Yellow, -Great above decks needs chassis welding--Really will do it this year.... |
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