Checking the Seawater Pickups
Verify the water inlet holes for the seawater pickup are clean and unobstructed.
Typical through-the-hull seawater pickup Typical through-the-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. Remove the screws, washers, and cover.
3. Remove the strainer, drain plug, and sealing washer.
4. Clean all the debris from the strainer housing. Flush both the strainer and housing with clean water.
5. Check the cover gasket and replace when damaged or if it leaks.
6. Reinstall the strainer, drain plug, and sealing washer.
!
CAUTION
Seawater leaking from the seawater strainer could cause excess water in the bilge, damaging the engine or causing the boat
to sink. Do not overtighten the cover screws, or the cover may warp and introduce seawater into the bilge.
a
a
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Section 4 - Maintenance
90-8M0145546 eng MAY 2018 Page 63
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