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490 Pilothouse • Owner’s Manual
Chapter 3: Propulsion & Related Systems
Engines
While the topics listed below may be included in this Owner’s Manual and in the Cruiser & Yacht Owner’s Manual
Supplement, always refer to the engine manual first for specific information on these important subjects:
Engine Cooling System
Refer to the engine opera-
tion manual for cooling sys-
tem details.
•
Open the seawater intake
seacock for each engine
before starting the
engines.
•
Keep the seacocks Open
while the engines are
running.
•
Check the cooling sys-
tem’s seawater strainers
for leaks and debris every
time you use your yacht.
•
See the Seawater Sys-
tems section in Chapter 6
of this Owner’s Manual
for instructions about
cleaning the seawater
strainers.
Read the engine manual BEFORE starting or working on your engines.
NOTI CE
•
Engine Break-in Procedure
•
Engine Starting and Stopping
•
Gear Shifting
•
Fuel and Oil Recommendations
•
Engine Maintenance
•
Engine Storage/Winterization
FLOODING and SWAMPING HAZARD!
•
Close the seacock(s) when leaving your yacht unattended for any length of time.
•
If a seacock is left open, a hose failure could flood the bilge, swamp the batteries and the
engines, and even sink your yacht.
WARNI N G!
!
SYSTEM DAMAGE HAZARD!
•
Open the engine cooling system seacocks BEFORE starting the engines.
•
Keep the engine cooling system seacocks Open while the engines are running.
CAUTI ON
!
PORT
SEAWATER INTAKE
SEACOCKS
SEAWATER
STRAINER
STARBOARD
SEAWATER
STRAINER
NOTE: VALVES SHOWN IN OPEN POSITION.
AFT
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