Step 3: Push the ush button to rinse
the bowl. Push the ush handle
to close the slide valve.
To empty the holding tank:
Step 1: When the tank level indicator
shows “FULL,” or at the end of
an outing, empty the lower tank.
Step 2: Pull up on the rear latch to sepa-
rate the upper tank from the
lower tank. Carry the lower tank
to an authorized waste disposal
area or a normal toilet. (DO
NOT DISPOSE WASTE IN
ANY LOCATION, INCLUD-
ING NAVIGABLE BODIES
OF WATER, WHERE SUCH
DISPOSAL IS ILLEGAL OR
CREATES AN ENVIRON-
MENTAL HAZARD.)
Step 3: Rotate the discharge spout away
from the tank and open the vent
on top of the holding tank. Emp-
ty the tank.
Step 4: If water is available, rinse the
lower tank before reassembling
the portable toilet.
The head is supplied with in-depth
instructions, which will be found in the
head and should be removed and read
prior to the rst use of the system. Store
the instructions with this Owner’s Man-
ual and other important material regard-
ing the boat.
_______
The following are the instructions for
the optional Vacuush system, begin-
ning with general preparation:
Note: The vacuum is maintained in the
system at all times.
Step 1: Fill the freshwater tank and add
deodorant to the holding tank
through the toilet bowl.
Step 2: Turn on the inlet water supply.
Step 3: Turn on the electrical power to
the system. (The breaker panel
is located in the head compart-
ment.)
Step 4: Flush water into the system by
depressing the ush lever (near
the deck) until water starts ow-
ing to the vacuum pump, which
requires approximately 15 sec-
onds. The vacuum pump will
run for approximately 60-to-
90 seconds. When the system
reaches operation at the vacuum
level, it will shut off.
Step 5: Remember that the vacuum
pump starts automatically. Shut
off the system before servicing
and do not leave the boat with
the toilet system breaker on.
(The breaker panel is located in
the head compartment.) Never
use drain openers, alcohol,
solvents, etc., in the system as
these are likely to damage the
head.
Head operation:
Step 1: When the toilet is ushed by
pushing down on the foot le-
ver the vacuum energy stored
in the system is released. The
bowl is instantly cleared and
Boat Operations • 2014 MasterCraft Owners Manual Page 4-55
B O A T O P E R A T I O N S
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