Scheduled
Maintenance
Before Each Use
(Prior to Starting the Engine)
ReviewtheSafety Checks and Services section of this Owner’s Manual.
There are important functions that must be followed before, during and
aftereveryouting,withoutfail!TheSafety Checks and Services notes that
all drain plugs must be reinstalled prior to operating the boat!
Inspect Seacock Strainer
(where equipped)
Because a clogged seacock strainer puts undue strain on the engine(s), the strainer
should be checked prior to starting the boat. Boats with closed cooling systems are not
equipped with this. The seacock strainer is standard on boats built for operation in salt
water.
Step 1: Removetheplasticnutontopofthestrainer.Liftthecover.
Step 2: Removethelterandinspectfordebris.Manuallycleanthestrainer.
Step 3: Returnthelterinplaceandrecover.Tightenthenut,butdonotover-tighten
asitmayeventuallystripthethreadsholdingthenutinplace.
Inspect the Battery Connections and Hold-Downs
Because poor connections or hold-downs may result in erroneous voltmeter readings, MasterCraft recommends doing this before starting the boat.
Step 1: EnsuretheengineisOFFandtheenginesafetystartingswitchdisconnected.Be certain that the throttle/shift control lever is in neutral.
Locatethebattery.Batteriesareplacedinavarietyoflocations,dependingonthemodel.Checkundertheobserverseatorbehindthe
rear seat.
Step 2: Checkthatthebatterypostconnectionsarecleanandtight.Ifnot:
• Loosenandremovethenegativeterminalconnectionrst.Becarefulnottotouchthepositiveterminalwiththewrench.
• Loosenandremovethepositiveterminalconnection.
• Removethebatteryhold-downsandremovethebatteryfromtheboat.
• Cleancorrosionfromthebatterypostswithabatteryterminalcleaner.
• Cleanthebatterywithawater-and-baking-sodasolution.Usecaretoavoidallowingthesolutiontoenterthebatteryvents.Rinsethebattery
with fresh water.
MasterCraft 2012 Owners Manual • Care and Maintenance • Page 4-12
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