Section 4 - Maintenance
Page 62 90-8M0113987 eng DECEMBER 2015
Checking the Seawater Pickups
1. Ensure that the water inlet holes for the seawater pickup are clean and not obstructed.
Typical through-hull seawater pickup Typical through-transom seawater pickup
a - Water inlet holes
Cleaning the Seawater Strainer, if Equipped
NOTICE
An open seawater strainer or seacock during some service or maintenance procedures can introduce water into the boat,
causing damage or sinking the boat. Always close the water supply from the seawater pump, water inlet, or seacock when
performing service or maintenance on the cooling system.
1. With the engine off, close the seacock, if equipped, or remove and plug the seawater inlet hose.
2. For metal seawater strainers:
a. Remove the screws, washers, and cover.
b. Remove the strainer, drain plug, and sealing washer.
c. Clean any debris from the strainer housing.
d. Flush both the strainer and housing with clean water.
e. Inspect the cover gasket and replace if damaged.
a - Screws and washers
b - Cover with glass
c - Strainer
d - Housing
e - Drain plug and sealing washer
f - Seal
3. For plastic seawater strainers:
a. Remove the cover.
b. Remove the strainer.
a
a
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a
b
c
d
e
f
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