3-1
Chapter 3 OPERATION
Operational environment
Preparation for operating new or overhauled engine
Before proceeding with operation of a new overhauled engine, conduct the inspections described in this section.
For second operation onward, follow the instructions described in the "Normal engine operation" (3-7).
Preparation of fuel system
1. Make sure the insides of the fuel tank and fuel supply pipes to the engine are thoroughly clean.
2. Fill fuel tank with fuel.
3. Remove the fuel feed pipe and drain plug from the fuel inlet of engine, and check the discharged fuel for foreign
materials such as dust.
4. Reinstall the drain plug and the fuel feed pipe.
5. Refill fuel tank until fuel level gauge indicates "FULL" level line.
Check that the following contents are performed before the engine is operated. Failure to do so may cause various
problems and will shorten the service life of the engine.
Prevent from spreading water (especially, seawater or rainwater) and entering foreign materials to the air inlet
opening.
Prevent from entering foreign materials to the rotating parts.
Prevent from attaching water and dust to the electrical system.
Use the engine at 5 to 40 °C [41 to 104 °F].
When handling fuel, make sure there are no open flames or other fire hazards near the engine.
Wipe off any spilled fuel completely. Spilled fuel can ignite and cause a fire.
Do not remove the strainer when filling the fuel tank.
For fuel to be used, refer to "FUEL" (4-1).
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