TS40DS04 Hydraulic Jacks leaking down

[BFF]

I recently purchased a Travel Supreme 40DS04, (my 7th motorhome) and keep it in my work yard under a cover. I keep it slides out and level with the hydraulic jacks. The front passenger side jack will leak down several inches over a weeks time. What can I do to check out the jack system. I do not see any hydraulic fluid on the ground anywhere around the coach. I have an extensive mechanical background and do most of the mechanical repairs on myself. I would appreciate if anyone could let me know where to find a manual on the coach. I did not come with one. Thanks

[rag_ftw]

These might be of some help. Not sure which system you have on your coach.

[BFF]

Thanks that is just what I need to check out the system.