Regal LS4C Owner's Manual page 114

Bilge Pump
Before each outing, check the operation of the
bilge pump, automatic switch, and manual switch.
The bilge pump should automatically activate when
water reaches a pre-determined height in the
engine compartment. Test the bilge pup manually
at the dashboard with the switch. Periodically
check for bilge debris around the grates of both
the bilge pump and automatic switch.
BILGE PUMP & AUTOMATIC FLOAT SWITCH
The automatic mode for your bilge pump works
similarly to the manual method. Both methods
control the bilge pump by a switch, but the
automatic mode utilizes a float switch. Float
switches use a device that sits at water level, and
when the float reaches a certain height, it trips the
switch and activates the bilge pump.
Periodically you may need to disassemble the bilge
pump from the grate in order to clean or access
the inner mechanisms. To remove the bilge pump,
utilize the quick disconnect tabs on either side of
the bilge pump, squeezing them like a backpack
clip while pulling up on the pump.
The bilge pump and float switch are normally
located close to the center of the hull and at the
front of the engine. Once you open the engine
hatch it should be easily seen. Refer to the vessel
operations chapter for pre-departure use.
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