Safety Precautions
Please read this operation manual carefully, which is closely related to your personal safety. This
manual contains basic safety measures that must be adopted when maintaining your engines. Make
sure that manuals are matched with your engine model before
reading.
◆ Daily inspection items
Develop a good habit to inspect your engine and engine room with your eyes before turning on and
after shutting down the engine, which will help you to promptly discover leakages of fuel, lubricating
oil or coolant and any other abnormality that has occurred or will occur.
◆ Refueling
There are dangers of fire risks or explosions for refueling. Smoking is forbidden and do shut down the
engine. Don’t overfill the fuel tank. Make sure that the cap of fuel tank is securely tightened. Only the
fuel recommended in this manual is allowed to use. Fuel in poor quality may easily result in abnormal
operation or shutdown of engine. Engine operating with poor fuel will lead to blockage of fuel pump
and will cause engine racing. Even worse, engine maybe destroyed and personal injuries maybe
caused.
◆ Engine operation
Don’t operate the engine in a place where there are explosive substances or gases because not all the
electrical and mechanical components are properly protected to prevent sparks. It is dangerous to get
close to the engine under operation. Loose cloth, hair, fingers or falling tools may be caught up in
rotating parts, giving rise to serious personal injuries. In case that protective devices are not provided
at the time of engine delivery, you must equip all the rotating parts and hot surfaces with protective
devices to ensure personal safety.
◆ Carbon monoxide poisoning
It is only allowed to operate the engine in a well-ventilated environment. If engine is running in an
enclosed space, proper ventilation must be ensured to discharge exhaust gas outdoors from engine
emission and crankcase. Lock the starting switch (Without starting switch lock for the instrument box,
the engine room must be locked or a lockable main switch must be used) to prevent that engine is
turned on by people without permission.
◆ Maintenance and service
This manual includes instructions regarding how to perform general maintenance and services safely
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