1C-28 - TROUBLESHOOTING 90-823225--1 1096
Insufficient Water Flow from Belt Driven Seawater Pickup Pump
Cause Special Information
Drive belt Loose, worn or broken
Seawater shutoff valve partially or fully closed
Clogged or improperly installed sea strainer
Loose hose connections between seawater pickup
and seawater pump inlet
Pump will suck air, pump may fail to prime or will
force air bubbles into cooling system
Seawater inlet hose kinked or plugged
Seawater pickup plugged
Obstruction on boat bottom causing water turbu-
lence.
Obstruction will be in front of seawater pickup,
causing air bubbles to be forced into cooling
system
Faulty seawater pump
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