PRODUCT OVERVIEW
28
YDG Operation Manual
FUNCTION OF MAJOR COMPONENTS
Components Functions
Air Cleaner The air cleaner prevents airborne contaminants from entering the
engine. Periodic replacement of the air cleaner filter element is
necessary. See the Periodic Maintenance Schedule on page 99 for
the replacement frequency.
Engine Dynamo A dynamo is located between the engine block and the flywheel.
The dynamo supplies electricity to the engine systems and charges
the battery while the engine is running.
Low Engine Oil Shutdown The generator is equipped with a low oil shutdown feature. If the
engine is run when it is low on oil, the oil pressure will drop. The oil
pressure switch will sense the drop in pressure and activate the
stop solenoid, which will shut the engine down. Once the oil level is
corrected, and pressure is normal the engine can be run again.
Engine Oil Filter The engine oil filter removes contaminants and sediments from the
engine oil. Periodic cleaning of the oil filter is necessary. See the
Periodic Maintenance Schedule on page 99 for the frequency of
cleaning.
Fuel Strainer / Filter There is a removable fuel strainer located inside the fuel tank filler
port. Since it uses a mesh construction, it can be cleaned. There is
also a filter at the bottom of fuel tank by the tank outlet line than can
be replaced. See Periodic Maintenance Schedule on page 99.
Fuel Tank The fuel tank is a reservoir that holds diesel fuel. Fuel is gravity-fed
to the fuel injection pump. Since fuel is used to keep fuel system
components cool and lubricated, more fuel than is necessary for
combustion enters the fuel system. Any fuel that is not used for
combustion is returned to the fuel tank.
Engine Oil Cap / Dipstick The engine oil cap / dipstick combines the oil cap and dipstick in
one assembly. The dipstick part of the assembly is used to
determine the amount of engine oil in the crankcase.
Starter Motor The starter motor is powered by the battery. When you turn the key
switch on the control panel to the START position, the starter motor
engages with the ring gear installed on the flywheel.
Control Panel The control panel controls all the functions of the generator
including starting and stopping of the engine. All electrical power
created by the generator is directed to the control panel and output
is sent through various outlets and terminals located on the control
panel.
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