Checking The Engine After Operation - Yanmar 6SY Series Operation Manual

ENGINE OPERATION
CHECKING THE ENGINE
AFTER OPERATION
• Check that the key switch is in the OFF
position and battery master switch (if
equipped) is OFF.
• Fill the fuel tank. Make sure that the fill
cap and the area around the fill opening
are clean to avoid contamination of the
fuel.
• Turn off the inlet valve (seacock) for the
seawater system (if equipped).
• If there is a risk of freezing, check that
the closed coolant system contains
enough glycol. See Engine Coolant
Specifications on page 41.
• If there is a risk of freezing, empty the
seawater system.
• At temperatures below 0°C (32°F), drain
seawater system and connect the engine
heater (if equipped).
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6SY Operation Manual