Seawater Pressure Is Below Specification; Seawater Pressure Is Above Specification - Mercury 565 Manual

Seawater Pressure Is Below Specification

Possible Cause
Insufficient water supply.

Seawater Pressure Is Above Specification

Possible Cause
High boat speed causing high ram
pressure.
TROUBLESHOOTING
Check if seacock is completely open.
Check supply hoses for obstruction.
Check for external water pick‑up obstruction.
Check for sea strainer obstruction.
Check condition of sea pump.
Install a sea strainer with a bypass
relief valve.
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Remedy
Remedy
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