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2.
If the boat is to remain in the water, turn on the bilge pump, close the seacock (if equipped), or disconnect and plug the
seawater inlet hose.
3.
Make the engine as level as possible to ensure complete draining of the seawater system.
4.
Attach a temporary drain hose to the barbed fitting of the seawater drain valve.
Coolant oil cooler
a -
Seawater drain valve
b -
Oil filter housing
5.
Open the seawater drain valve.
6.
A small diameter wire bore brush or stiff piece of ware can be used to clear the seawater drain valve of any debris.
7.
Disconnect the seawater inlet hose from the connector on the seawater pump.
d
c
b
a
90-8M0069751
APRIL 2012
eng
Typical seacock installation
b b
a a
Seawater oil cooler
a -
Seawater pump inlet
b -
Seawater pump
c -
Seawater pump outlet
d -
Fuel cooler (if equipped)
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Section 5 - Maintenance
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