Section 4 - Maintenance
Page 52
90-8M0113986
eng
DECEMBER 2015
NOTICE
Disconnecting the seawater inlet hose will cause water to enter the bilge resulting in engine damage. Close the seacock
before disconnecting the seawater inlet hose. Plug the seawater inlet hose immediately after disconnecting it.
1. If the boat is in the water, ensure that the engine is off and close the seacock, if equipped, or remove and plug the
seawater inlet hose.
2. Remove the seawater strainer cover by turning it counterclockwise by hand.
a -
Seawater inlet
b -
Seawater outlet
c -
Seawater strainer cover
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 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.
a -
Seawater inlet
b -
Seawater outlet
c -
Seawater strainer cover
8. If the boat is 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 the engine seawater pump. Refer to
Flushing the Seawater System
regarding
cooling water supply when this service is performed with the boat out of the water.
25831
a
b
c
25832
a
b
c
Summary of Contents for 92-8M0069603
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