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Section 5 - Maintenance
2.
Remove the seawater strainer cover by turning it counterclockwise by hand.
c
b
a
3.
Remove the strainer from the strainer housing and clean out any debris. Flush the strainer with clean water.
4.
Clean out any debris from the strainer housing and flush with clean water.
5.
Place the strainer back into the strainer housing. Ensure that it is fully and evenly seated into the bottom of the strainer
housing.
6.
Inspect the strainer cover's O‑ring seal and replace if damaged or leaking.
7.
Install the strainer cover by turning it clockwise by hand. Ensure that the strainer cover O‑ring is properly located and
moderately compressed when the cover is installed. Do not overtighten.
c
b
a
8.
If the boat is out of the water, tag the boat's keys, record the service in the maintenance log, or otherwise make note that a
proper operational inspection of the seawater system must be performed before returning the boat to use on the water.
9.
Boat out of the water. Perform an operational inspection of the seawater cooling system after cleaning the seawater
strainer.
a.
Cooling water must be supplied to both the engine and the sterndrive. See Flushing the Seawater System
regarding cooling water supply when this service is performed with the boat out of the water.
b.
Start the engine and allow the seawater system to fill and the engine to reach normal operating temperature.
c.
Run the engine at a fast idle between 600 to 1400 RPM. Monitor engine temperature to confirm proper operation of
the cooling system.
d.
Inspect the seawater system for leaks maintaining a fast idle engine speed between 600 to 1400 RPM.
Page 74
a -
Seawater inlet
b -
Seawater outlet
c -
Seawater strainer cover
25831
a -
Seawater inlet
b -
Seawater outlet
c -
Seawater strainer cover
25832
90-8M0069751
APRIL 2012
eng
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