Yanmar 4JH3-TE, Operation Manual

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34 4. HOW TO OPERATE
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Draining the Water From the Fresh Water System
If antifreeze has not been added to the fresh cooling water, be sure to drain the water from the fresh water
system in the cold season.
1. Open the fresh water drain cocks at the following 4 positions and drain off the cooling water.
1) Side of the cylinder block
2) fresh water pump
3) turbocharger
4) exhaust manifold
or fresh water cooler
2. Close the drain cocks after draining the water.
(3) Cleaning, Draining Fuel Oil, Greasing
• Clean the outside of the engine wiping off any dust or oil.
• To prevent condensation inside the fuel tank, either drain off the fuel or fill the tank.
• Grease the exposed area and joints of the remote control cable and the bearings of the remote control han-
dle.
(4) Safeguarding the Engine Against Water and Moisture
• Cover the intake silencer, exhaust pipe, etc. with vinyl sheets and seal them to prevent moisture from enter-
ing.
• Drain bilge in the hull bottom completely.
• Water may leak into the boat when it is moored, and whenever possible it should be landed.
• Waterproof the engine room to prevent rain and seawater from entering.
(5) Maintaining the Battery Charge
• Be sure to turn off the battery switch.
During long-term storage, charge the battery once a month to compensate for the battery’s self-discharge.
4.9.2 Checking the Engine for Reuse After a Long Storage Period
When using the engine after a long period of storage, prepare for operation in the same manner as for a new
engine.
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See[3.BEFORE OPERATION]
(Fresh water)
(Fresh water)
(Fresh water)
(Fresh water) (Fresh water)
(Fresh water)
Lube oil filter
Fresh water pump
Fresh water cooler
Exhaust manifold
Turbocharger
Turbocharger
4JH3-TE/TCE
4JH3-DTE
4JH3-TE/-TCE
4JH3-HTE