i have an old 1970"s mtd splitter and the ram goes out real slow and no power at all.i put a new 11gal. 2/stage on it and no difference at all.when the ram goes out it is real spongy,you can kinda push it back alittle and it kinda springs back & then continues forward very slowly the stops when it hits the wood.ther is no way to check the fluid(30wt HD oil) in the cylander.only a little weep hole plug at end of cylander.when i opened it real foamy oil did come out.can you help me...pleaaase.....Dj