Page 6-20 2014 MasterCraft Owners Manual • Care and Maintenance
C A R E A N D M A I N T E N A N C E
to a build-up of potentially ex-
plosive fumes within the engine
compartment. DO NOT IG-
NORE OR OVERLOOK THIS
INSPECTION! REPAIR AS
NECESSARY!
Before Each Use
(After Starting the Engine)
Check That the Battery
Is Fully Charged
As the boat is started, check all gauges,
but pay particular attention to the voltage.
(On all models, press the Gauge soft key
on the left side of the touch screen to ac-
cess this information.)
While starting the engine, check that
thevoltmeterreadsbetween12.4and14.5
volts.Anerraticreadingmaybeasignof
low voltage. The voltage reading is the best
indicationofthestateofyourbattery.How-
ever, it is not fool-proof. While the reading
mayindicatethat thebatteryis producing
current,ifduringapreviousoperationyou
hadreasontosuspectaproblemwithyour
battery, check with an authorized Master-
Craft dealer’s service department.
Current models are equipped with a low-
voltage battery alarm. In the event that the
stereo has been functioning when the boat
engine is OFF, the voltage drain on the bat-
tery may result in difculties re-starting the
boat. To avoid this situation, when the voltage
levelfallsto10.5volts,thesystemwillshut
offthestereosystemandsoundanalarmfora
period of two (2) minutes to allow the opera-
tortimetoturntheignitionkeyONandstart
the engine. Doing so will allow the engine’s
alternatortorechargethebattery.
Charge dead batteries with a battery
charger before attempting to start the en-
gine. (Some MasterCraft models offer an
optionalbatterycharger;but never jump-
start the battery.) Jump-starting from
another boat or battery is dangerous!
Charging a dead battery from an engine
will put undue stress on the alternator,
whichmaycauseittofail.
When charging, batteries generate small
amounts of dangerous hydrogen gas. This
gas is highly explosive. Keep all sparks,
flames and smoking well away from the
area. Failure to follow instructions when
charging a battery may cause an electrical
charge or even an explosion of the battery,
which could cause death or serious injury.
Crossing cables or jumper cables may result
in damage to the electrical components due
to incorrect battery connections. Such dam-
ages may not be covered by your warranty.
Lef: XSweries touch screen location for
Gauge sof key; Right: XStar location.
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