2. Product explanation
14
GB
Name of part Function
Fuel filter Removes dust and water from fuel. The internal element (filter) should be
changed periodically.
A water separator is on the bottom of the filter and should be drained
periodically.
Fuel priming pump This is a manual fuel pump. Moving the knob on the top of the fuel filter
feeds the fuel. The pump is also used to bleed air from the fuel system.
Fuel feed pump This is a mechanical pump used to feed fuel to the fuel injection pump. It is
built into the fuel injection pump.
Filler port (engine) Filler port for engine lube oil.
Filler port (marine gear) Filler port for marine gear lube oil.
Dipstick (Lube oil) Gauge stick for determinining the level of the engine and marine gear oil.
Lube oil filter Filters fine metal fragments and carbon from the lube oil.
Filtered lube oil is distributed to the engine’s moving parts.
Cooling System Seawater passes through the heat exchanger cooling the fresh water,
which in turn cools the engine.
Fresh water cooling
Fresh water pump There are two cooling systems: fresh water and seawater.
The fresh water pump is run by the alternator and the V-belt.
Fresh water cooling The fresh water in the fresh water cooler is fed to the engine by the fresh
water pump. The cooling fresh water returns to the engine after it is cooled
with seawater in the fresh water cooler.
Filler cap The filler cap on the cooling water tank covers the water supply port. The
cap has a pressure regulating valve. When the cooling water temp. rises,
the pressure rises inside the fresh water cooler.
Subtank The pressure regulating valve releases vapor and hot water overflow to the
subtank.
Oil cooler (engine oil) This heat exchanger cools high temp. engine oil with seawater.
Oil cooler (clutch oil) This heat exchanger cools high temp. clutch oil with seawater.
Turbocharger With the pressurized intake air feeding device the exhaust gas turbine is
rotated by exhaust gas, and the power is used to rotate the blower.
This pressurizes the intake air for sending to the cylinder gives high power
output.
Intercooler This heat exchanger cools the pressurized intake air from the
turbocharger with seawater and further compresses it.
Intake air silencer This is the air intake silencer. The silencer guards against dirt in the air and
reduces the noise of air intake.
Name plate Name plates are provided on the engine and the marine gear and have the
model, serial number and other data.
Starter Starter motor for the engine. Powered by the battery.
Alternator Rotates by belt drive, generates electricity and charges the battery.
2.4 Major Servicing Parts
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