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6.
A small diameter wire bore brush or stiff piece of wire 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
8.
On models equipped with a seawater strainer, remove the hoses at the seawater strainer and drain them completely.
Drain and empty the seawater strainer. Connect the hoses and tighten the hose clamps securely.
c
b
a
9.
After the seawater has completely drained, remove the temporary drain hose and close the heat exchanger seawater drain
valve.
10. Connect all seawater hoses.
11. Tighten all hose clamps to the specified torque.
Description
Hose clamp
Checking the Seawater Pickups
Verify that the water inlet holes for the seawater pickup are clean and not obstructed.
90-8M0089579
MARCH 2014
eng
a -
Seawater pump inlet
b -
Seawater pump
c -
Seawater pump outlet
d -
Fuel cooler (if equipped)
25668
Typical
a -
Seawater inlet
b -
Seawater outlet
c -
Seawater strainer cover
25831
Typical through-the-hull seawater pickup
Section 5 - Maintenance
Nm
5.6
54902
lb‑in.
lb‑ft
50
–
Page 65
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