Dear Forum members,

I have recently observed that my hydraulic system is leaking as oil level in tank is reduced. First I thought that the problem was in hydraulic lines - I have replaced o-rings located here:


No luck - the piston still was leaking. After I do realize that I have leakage from this location:



Now I need to replace the o-ring on the bottom cap of the cylinder. Can you please help me to understand how to disassemble the bottom cap from piston housing - simply apply the pulling strength or there is some secret?

P.S.: leakage observed only in main drive cylinder 05142639AA (left side):