Mercury MERCRUISER - Cooling System

Cooling System
90-863758060 AUGUST 2006 Page 7A-1
7
A
Cooling System
Section 7A - Cooling System
Table of Contents
General Information.........................................7A-2
Seawater Supply System ................................7A-3
Specifications............................................7A-3
Seawater Inlet Hose.................................7A-4
Through-Hull Seawater Pickup System
..................................................................7A-5
Seawater Pickup.......................................7A-5
Seacock....................................................7A-7
Sea Strainer..............................................7A-8
Seawater Supply Test......................................7A-8
Seawater Inlet Restriction Test.................7A-8
Seawater Pressure Test for MPI Models
..................................................................7A-9
Seawater Aeration Test............................7A-9
Closed Cooling...............................................7A-10
Description..............................................7A-10
Antifreeze Recommendations.................7A-10
Coolant Recovery System......................7A-11
Water Heaters................................................7A-12
Water Heater Hose Connection Points...7A-13
5.7L Tow Sport Water Flow Diagram.............7A-17
Inboard and Tow Sport (Carburetor) Water
Flow Diagram..........................................7A-17
Inboard V8 Water Flow Diagrams..................7A-18
Mie Water Flow Diagrams......................7A-18
8.1S and HO Inboard Water Flow Diagram...7A-21
Coolant and Water Flow Diagrams.........7A-21