Download 3208 MARINE ENGINE

100
Maintenance Section
Sea Water Strainer - Clean/Inspect
7. Clean all of the parts. Inspect all of the parts.
Replace any part that is worn or damaged. Always
install a new gasket and a new diaphragm when
the PCV valve is being serviced.
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Sea Water Strainer Clean/Inspect
8. Assemble the diaphragm assembly. Use a new
diaphragm (6).
SMCS Code: 1371-040; 1371-070
9. Coat both flange sides of the diaphragm with
gasket cement in order to prevent diaphragm (6)
from distorting and cracking. Install the diaphragm
so that the face of the diaphragm that is marked
“piston face” faces piston (5).
The sea water strainer must be clean in order to
allow proper engine cooling. Check the sea water
strainer for plugging. Inspect the sea water strainer
more frequently if the vessel is being operated
in water which is shallow or dirty. Refer to the
OEM recommendations for more information about
inspecting and cleaning the sea water strainer.
10. Coat the new gasket (3) with gasket cement.
Install the gasket against the rear face of inner
sleeve (2).
11. Install the diaphragm assembly in housing (4).
12. Install the spring and cover (1). Install the screws
and washers that hold the cover in place.
Ensure that the auxiliary water pump is primed and
that the suction line is open.
1. Remove the sea water strainer and clean the
screen. Remove any dirt and debris.
2. Install the sea water strainer. Fill the sea water
strainer and the suction line for the auxiliary water
pump with water.