Draining The Freshwater And Seawater Cooling System - Yanmar 6LPA-STP2 Service Manual

GENERAL SERVICE INFORMATION
Draining the Freshwater and
Seawater Cooling System
Figure 3-26
Figure 3-26
Figure 3-27
Figure 3-27
Figure 3-28
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Figure 3-28
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© 2007 Yanmar Marine International
Figure 3-29
Figure 3-29
1 – Seawater Drain Cock
2 – Freshwater Drain Cock
3 – Freshwater Drain Cock
4 – Seawater Pump Cover
5 – Seawater Drain Cock
Draining the Freshwater Cooling System
1. Open the freshwater drain cocks and drain the
fresh water into an appropriate container.
2. Close the drain cocks after draining the water.
3. Dispose of waste properly
Draining Seawater Cooling System
NOTICE: If seawater is left inside, it may freeze and
damage parts of the cooling system (freshwater
cooler, seawater pump, etc.) when ambient
temperature is below 0°C (32°F).
1. Close the seacock.
2. Open the seawater drain cocks and drain off the
seawater.
3. Remove the four bolts attaching the seawater
pump cover. Remove the cover and drain the
seawater.
4. Install cover and tighten bolts.
5. Close all the drain cocks.
6LPA Service Manual
Engine Coolant
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