How do you fill air shocks with oil

I have a pair of low profile rear touring shocks. We were working on the rear of the bike and took the shocks off and laid them down not realising the oil was escaping from them. Can anybody tell me exactly what I do i.e. which type of oil to do I use to replace the existing oil, what amount do I put in each of them and how do I go about it. I guess you replace the oil through the hole it escaped from which is the same hole the air filler cable goes into. Any help would be much appreciated. These are an inch lower than standard touring air shocks. Thanks Paul

I don't know about volumes or anything; but when I put a 1" lowering kit on my bike we would sometimes bottom out when riding two up. I figured to reduce suspension travel and firm up the ride somewhat by adding oil to the rear shocks. I added the same suspension fluid that goes in the front forks to the back by using the old style harley davidson low volume/high pressure pump. The old style was alot like a syringe and by pulling the pump/plunger out I fill the barrel with a bit of fluid and slowly squeezed it into the rear suspension system. First I bled off all the air pressure and collapsed the shock though so their wouldn't be any pressure resistance. This method worked for me.

Hi Seahag, Thanks for the reply. Your info was exactly right, we actually spoke to the manufacturer of the shocks in the end and they more or less told us to do exactly what you did so again thanks for your help. Paul