Section 4
4-4
430 Sports Coupe
POWER TRAIN
Engines
Your yacht is powered by twin inboard engines, unless it is equipped
with the triple engine, IPS system. All operation, specification and
maintenance information is contained in the engine owner’s manual.
Find this manual, located in the Skipper’s Kit, and familiarize yourself
with it. The engines are the heart of your yacht, and following the
manufacturer’s recommendations will provide you with continued
boating pleasure.
Engine Ignition Starting / Stopping - Key Switch
Your Cruisers Yachts may be equipped with key switch STARTING/
STOPPING switches. This type of switch works on the same principle
as an automobile. Refer to the Engine owner’s manual in the Skipper’s
Kit for complete details.
V-Drives
The power generated by the engine is transmitted to the propeller via
the transmission, shaft coupling and the propeller shaft assembly. The
propeller shaft is supported and aligned with the engine by a thru-hull
shaft log and an outside strut.
IPS Engines
The IPS (Integrated Propulsion System) is a fully integrated
propulsion system. The controls, propulsion, rudder and steering
system are all integrated. The engine’s power is transferred through
the hull and into the IPS.
Cooling System
Each engine is cooled by seawater entering the yacht through a
seacock in the hull bottom. The water enters the engine through the
engine water jacket and is returned to the sea through the exhaust
system.
The IPS system is cooled by seawater entering water pickups
integrated in the IPS system. The water enters the engine through the
engine water jacket and is returned to the sea through the exhaust
system.
A feature which is standard on diesel engines is the freshwater
cooling system. This system uses the incoming seawater to cool a
secondary closed-cooling system. The seawater flows through an
engine-mounted heat exchanger, cools the closed-system coolant
and is returned to the sea via the exhaust system.
ALARM SYSTEMS
Alarm systems are on all boats. The alarm will sound under the
following conditions:
• Engine temperature exceeds specified limits
• Engine oil pressure drops below specified limits
• Transmission oil temperature exceeds specified limits and level is
low
• Ignition switches are ON, engines are OFF
CAUTION
The cooling system starts at the cooling water
seacock. The seacocks can be closed during storage,
or to prevent water from entering the yacht in the
event of hose failure. Make sure the seacocks are
open before starting engines. The absence of cooling
water will cause the engines to overheat and cause
irreparable damage.
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