
Draining Seawater Cooling
System
NOTICE: If seawater is left inside, it may
freeze and damage parts of the cooling
system (fresh water 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.
REMOVING THE ENGINE
FROM LONG-TERM
STORAGE
When using the engine after a long period of
storage, prepare for operation in the same
manner for a new engine. See Before You
Operate on page 27.
LONG-TERM STORAGE
6LPA Series Operation Manual 81
© 2007 Yanmar Marine International
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