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2023 OWNER’S MANUAL
The midship tank is designed to move water from one side of the
boat to the other when surfing, immediately osetting weight. It
can be filled to 100 percent when wakeboarding.
Operation
The ballast pumps are operated through the dash mounted
display or through the manual switches. For detailed operating
instructions see the “X and XT Series Dual Screen Dash” section of
the MasterCraft Owner’s Manual.
Winterization
Ballast tanks, pumps, hoses and fittings must be properly
winterized to prevent freezing damage during winter storage.
Because of the complexity of preparing a ballast system for winter
storage, as well as the possibility of extreme damage to the ballast
system if a preparation error is made, MasterCraft recommends
scheduling an appointment with an authorized dealer’s service
department to have a certified technician to perform all
winterization procedures, including ballast winterization.
MasterCraft uses a -50 F RV type, nontoxic, propylene glycol
based antifreeze to winterize every boat built at the factory.
Any antifreeze meeting these requirements is acceptable for
MasterCraft engine, ballast, and freshwater system winterization.
Be aware that colder climates may require antifreeze with a
-100 F temperature rating.
Winterization Process
1. Completely empty all ballast tanks and bags of any water that
may be in the ballast system.
2. With all bags still hooked up to the system, identify the
ballast thru-hull vents (see guide to each model in this
Owner’s Manual).
3. Add two gallons of -50 F RV type nontoxic propylene glycol
based antifreeze to each of the thru-hull vents. Colder climates
may require antifreeze with a -100 F temperature rating.
4. Once the antifreeze is in all ballast zones, use the manual
ballast switches in the helm area to drain the antifreeze
through the system. This will push antifreeze through the
ballast system, across all pumps, hoses, fittings and
intake valves.
5. Be cautious while using the ballast switches as antifreeze will
be pumped out of the intakes mounted to the bottom of the
boat. Once antifreeze begins to pump out of the boat through
the 4 ballast intakes (three af, one forward), turn the
pumps o.
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