Peter
I have had many Armstrong lever arm 'shocks' come my way going back to
early Austin saloons in the 1950s.
The general approach I use is to first check for major leaks, physical
damage or rough action. If any of these I either scrap or leave any
further work to a specialist shop.
If OK as above I then take off the back plate. If I see that the
interior is dry anywhere or that there is excessive sludge or any
obvious damage I again give up.
However if all looks good I drill out the centre ring and dismantle. I
pull the pistons to check for scoring or ring damage then remove the
valve assembly and clean everything. I then remove the oil seals and
check the shafts for wear or scoring. Also are the plain bearing
surfaces in good order?. If all these test are passed I fit new oil
seals, assemble with a new centre ring and refill and paint.
I don't try any actual repair; I leave this to the specialists
>John, Just push the shaft out of the shock, the ring will deform, and
>you can reuse it.
>
>Curious, what were you servicing?
>
--
John Harper
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