Yes Fili,
I have about the same thing. I was concerned about the Hyd. Pump light coming
on about every minute or so and then when I started to pay more attention to
it I noticed that sometimes it is up to 10 min. I have noticed that it varies
from time to time for some unknown reason. I have a pressure gauge installed
in the left gear well so I can look at it before flight. It stays at no less
than 700 lbs. even after a week. I park it almost always with the flaps down,
so I don't know if there is any difference if parked with them up. With the
pump ON it reads about 1050 lbs. and if I stop for 1 or 2 hours the pump
doesn't even run when I restart. There maybe some bleed back when the flaps
are up but I don't see why. Recently, another L4P changed his check valve in
the system to stop some bleed back but I don't know if that helped. Having
the system pressurized should not hurt anything.

How is the flying going?

Jim Hergert
N6XE, "An Sex Y" L4P