Location
The blower system is mostly unseen by those on-board. A two-posi-
tion switch activates the engine box ventilation blower, and it is lo-
cated on the dash panel. The engine compartment blower exhausts
fumes through vents located on the transom of the boat
Operation
X-series/ProStar: Turn the switch to the right to turn the blower ON.
Turn the switch to the left to turn the blower OFF.
NXT: Flip the toggle switch up to turn the blower ON. Flip the switch
down to turn the blower OFF.
XStar: Push the toggle switch on the throttle panel up to turn the
blower ON. Flip the switch down to turn the blower OFF. The blower
will operate without the ignition key inserted and turned ON. The en-
gine does not have to be started and running in order for the blower
to work. Switches can be left on indefinitely to continuously allow
removal of fumes.
NOTE: Blower operation drains energy from the battery.
SPECIAL NOTE: The blower must operate for a minimum of four (4)
minutes before starting the engine at any time. The blower must
also be operated during idle and slow-speed running, but is not
necessary during cruising speed.
Troubleshooting
NEVER OPERATE THE BOAT IF THE BLOWER SYSTEM IS INOPER-
ABLE OR NOT WORKING PROPERLY. SEE THE DANGER WARNING
ABOVE.
• The blower hums audibly when it is operating. If it is not function-
ing, turn the ignition key to ON and verify on the voltmeter that
the electrical system is charging at least 11.5 volts or higher. If it is
not, it will be necessary to recharge the battery(ies). See the
• Electrical information in this section of the Owner’s Manual for
proper procedure.
• If there is sufficient charge indicated, but the blower still is not
operating properly, DO NOT LAUNCH THE BOAT. Take the boat to
an authorized MasterCraft dealer for repair.
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