Regal 3300 Owner's Manual page 246

CHAPTER 7
Trim Tabs
TYPICAL TRIM TAB PUMP
they will not work properly. Remember they are softer than the
aluminum tab they protect and need to be free of barnacles, algae and
debris to work the best. In the aft bilge area is located a trim tab pump.
ANODE
Also, check the rams and hoses for leaks. One sign of a seal leak may
be a milky look to the oil or the tabs responding slowly. An air leak in
the system will normally cause a jerky tab motion.
Refer to the operator's manual for troubleshooting information.
Stereo
The Fusion® stereo head unit requires little maintenance. When
washing the cockpit, do not spray water directly at the stereo unit.
Possible damage may result. Never allow water to enter the mechanism
behind the head cover.
Refer to the equipment manufacturer's manual for additional
information.
7-24
Periodically, check for the correct amount of oil
in the reservoir. The oil is used to lower and raise
the hydraulic cylinders attached to the trim tab
plates. Refer to the trim tab operator's manual for
oil type and visocity.
https://www.boat-manuals.com/
Periodically check the trim
tab anodes for galvanic
corrosion. They are attached
to the trim tabs located on
the port and starboard
transom. A good rule of
thumb is to replace a
sacrificial zinc anode when
it is 30% consumed. Never
paint over the anodes since