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S
ECTION
!
EXPLOSION/FIRE HAZARD – Run blower at least
four (4) minutes before starting engine or generator.
Check bilge and engine compartment for fumes.
!
Do not allow obstructions to interfere with bilge
blower or ventilation intake operation. Engine
performance may be adversely affected.
port aft salon. The blowers can also be activated
by a switch on the control station switch panel.
Run the blowers when operating below cruising
speed and when vessel is at rest with the generator
running to dissipate heat buildup in the bilge.
M
:
AINTENANCE
The bilge blowers should be checked periodically
to ensure that all electrical connections are
secured in place and that the blower motors are
operating efficiently.
T
:
ROUBLESHOOTING
If your bilge blowers fail to operate, depress
the breakers on the main DC breaker panel on
the forward component board in the engine
room to ensure that they have not tripped.
M
DC B
P
AIN
REAKER
ANEL
(F
. 4.3.1)
IG
MAIN DC BREAKER PANEL
PORT
CABIN
MAIN
PORT
IGNITION
CABLEMASTER
BAITWELL
ELECTRONIC
CONTROL
ACCESSORY
FWD SUMP
PUMP
FWD EMERGENCY
PUMP
FWD BILGE
PUMP
AFT EMERGENCY
PUMP
AFT
PUMP
CABIN
STEREO MEMORY
PORT BLOWER
ENGINE
UNSWITCHED
SMARTCRAFT
UNSWITCHED
BATTERY
CHARGER
TURN OFF POWER PRIOR TO SERVICING PANEL.
44 Sedan Bridge (455 Sedan bridge)
4 • B
ILGE
WARNING
WARNING
STBD
12 VDC
CONTROL
STATION
ELECTRONICS
STBD
IGNITION
OIL CHANGE
PUMP
ELECTRONIC
CONTROL
ACCESSORY
ACCESSORY
EMERGENCY
BILGE PUMP
AFT SUMP
PUMP
AFT BILGE
PUMP
SYSTEMS
MONITOR
BRIDGE/COCKPIT
STEREO MEMORY
STBD
BLOWER
ENGINE
UNSWITCHED
SMARTCRAFT
UNSWITCHED
BATTERY
CHARGER
HIGH CURRENT PRESENT AT ALL
TIMES ON 12VDC LINE FEEDS,
CIRCUIT BREAKER IS LOCATED IN
MAIN DISCONNECT ENCLOSURE.
& U
NDERWATER
4. E
NGINES
The inboard engines on your yacht are the heart of
your Sea Ray
. Proper attention to and maintenance
®
of your engines will assure you of many hours of
pleasurable, safe boating and will prevent
unnecessary engine problems. You must, therefore,
become thoroughly familiar with all aspects of the
engine's proper operation outlined in the Engine
Operator's Manual. A general maintenance program
consists of proper lubrication, cleaning of fuel filters,
fuel lines and air filters. When washing down, or
at any other time, take care that water does not
enter the air inlets. Water entering the air inlets
when the engines are not operating may go directly
into the cylinders, resulting in rust and possibly
internal engine damage.
The engines are warranted directly by the
engine manufacturer, not by Sea Ray
Sea Ray
strongly urges you to fully comply with
®
the manual provided by the engine manufacturer.
Follow the recommended maintenance and
warranty schedule in your Engine Operator's
Manual included in the owner's packet. Engine
abuse or improper maintenance may adversely
affect the claims made under the independent
warranty provided by the engine manufacturer.
5. F
W
RESH
ATER
The fresh water cooling system is a closed system
which helps protect engines from internal corrosion
and provides more even distribution of engine
temperature. Change the coolant annually.
A. C
R
OOLANT
ECOMMENDATIONS
The standard mixture of water and coolant is a
mixture of 30% environmentally safe, non-toxic
antifreeze and 70% water, which protects to 0°F
(-18°C). This will allow the coolant to expand
properly and maintain normal operating engine
temperature. In colder climates, the coolant level
should be increased to 50/50, which protects to -
34°F (-37°C), for proper coverage. To find engine
coolant requirements for the specific engine
G
EAR
.
®
C
S
OOLING
YSTEM
:
4.3
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