Page 4-36 2014 MasterCraft Owners Manual • Boat Operations
B O A T O P E R A T I O N S
functions are complete. When the
tank(s) is/are full, operators will see
water being evacuated out the ballast
overow location(s). (See Guide to In-
dividual Models in this Owner’s Manual
to determine the location of the ballast
overow.)
The ballast system operates on an au-
tomated system that will shut down au-
tomatically when the emptying process
has been completed.
Special Attention:
Be aware that the engine must be op-
erated at 1500 RPM during the ll and
empty processes. Check engine speci-
cations for related engine idle speed,
which, in some instances, may be too
low for the empty/ll operation to be
properly accomplished. Failure to in-
crease engine RPM to the required level
may result in malfunction or permanent
damage to the ballast pumps that force
the water through the system. Such dam-
age is not covered under your warranty.
The ballast fill/empty system was designed
to operate at 1500 RPM. Engine idle speed
may be lower. Failure to increase engine
RPM during the fill/empty process to the
required level can result in malfunction or
permanent damage to ballast pumps. Such
damage is not covered under warranty.
Special Attention:
NEVER tow a trailer with water in
the boat’s ballast tank(s)! Even small
amounts of water can cause serious
problems with the required balance of
the boat on the trailer. (See the Trailer
section of this Owner’s Manual if you
own a MasterCraft trailer. Note that
this information is also applicable when
towing with trailers built and sold by
other manufacturers. Correct balance is
critical to safe trailering.)
Water MUST be pumped out of ballast
tanks prior to towing the boat on any trailer.
Even small amounts of water can adversely
aect the balance of the boat on the trailer
and tow connection, which can cause the
tow vehicle driver to lose control of the rig.
Failure to follow instructions can result in
significant damage to the tow vehicle, trail-
er and/or boat, other vehicles on the road,
and serious injury or death, including, but
not limited to, bystanders.
Additional Special Attention:
The ballast pump impeller MUST
be replaced on a regular basis (at least
annually, but more often may be neces-
sary). Its purpose is to move water from
the intake into the ballast tank, and vice
versa when emptying the ballast tank.
Through usage, the impeller, by design,
will wear. (See Care and Maintenance
section of this Owner’s Manual.) Autho-
rized MasterCraft dealers can provide
guidance to locate any and all pumps.
Failure to follow directions may result
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