Major Servicing Parts - Yanmar 1GM10 Operation Manual

2. Product explanation

2.4 Major Servicing Parts

Name of part
Decompression lever
Fuel filter
Fuel feed pump,
Priming lever
Filler port (engine)
Filler port (marine gear)
Lube oil filter
Cooling Water System
Seawater cooling
Anticorrosion zinc
Intake air silencer
Name plate
Starter
Alternator
Function
Opens the exhaust valve and releases the pressure for manual starting.
Removes dust and water from fuel. Drain the filter periodically. The internal
element (filter) should be changed periodically.
Feed fuel to the fuel injection pump. Moving the priming lever up and down
feeds the fuel. When there is no fuel, the priming lever is used to bleed air
from the fuel system.
Filler port for engine lube oil.
Filler port for marine gear lube oil.
Filters fine metal fragments and carbon from the lube oil.
Filtered lube oil is distributed to the engine's moving parts.
Direct seawater cooling.
The seawater pump feeds seawater. The flow is controlled automatically by a
thermostat which measures the temperature during operation.
The metal area of the seawater cooling system is prone to electrical corrosion.
The anticorrosion zinc is installed in the cylinder block and/or cylinder head to
prevent this. The anticorrosion zinc is itself reduced over time by electrical
corrosion, so it must be replaced at fixed intervals before it is completely
consumed in order to ensure that the metal area of the seawater cooling
system remains fully protected.
This is the air intake silencer. The silencer guards against dirt in the air and
reduces the noise of air intake.
Name plates are provided on the engine and the marine gear and have the
model, serial number and other data.
Starter motor for the engine. Powered by the battery.
Rotates by belt drive, generates electricity and charges the battery.
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