Mercury MerCruiser MIE 8.2L MPI - Cooling System

6
A
SEAWATER COOLED MODELS
SERVICE MANUAL NUMBER 23
90-861326--1 MARCH 1999 Page 6A-1
COOLING SYSTEM
Section 6A - Seawater Cooled Models
Table of Contents
Torque Specifications 6A-2. . . . . . . . . . . . . . . . . .
Tools 6A-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special Tools 6A-2. . . . . . . . . . . . . . . . . . . . . . .
Lubricants / Sealants / Adhesives 6A-3. . . . . . .
Specifications 6A-3. . . . . . . . . . . . . . . . . . . . . . . . .
Cooling System Capacity 6A-3. . . . . . . . . . . .
Thermostat 6A-3. . . . . . . . . . . . . . . . . . . . . . . .
Seawater Inlet Recommendations 6A-4. . . . . . .
Transom Mounted or Through-Hull
Seawater Pickups and Hose 6A-4. . . . . . . . .
Seacock (Seawater Inlet Valve) 6A-4. . . . . . .
Sea Strainer 6A-4. . . . . . . . . . . . . . . . . . . . . . .
Seawater Pickups 6A-5. . . . . . . . . . . . . . . . . . . . .
Through-Hull Mounted 6A-5. . . . . . . . . . . . . .
Transom Mounted 6A-6. . . . . . . . . . . . . . . . . .
Sea Strainer 6A-8. . . . . . . . . . . . . . . . . . . . . . . . . .
Removal 6A-8. . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 6A-9. . . . . . . . . . . . . . . . . . . . . . . . .
Seawater Pickup Pump 6A-10. . . . . . . . . . . . . . .
Output Test 6A-10. . . . . . . . . . . . . . . . . . . . . . .
Seawater Pump Disassembly 6A-11. . . . . . .
Seawater Pump Reassembly 6A-12. . . . . . . .
Seawater Pump Bearing Housing 6A-13. . . . . .
Disassembly 6A-13. . . . . . . . . . . . . . . . . . . . . .
Cleaning and Inspection 6A-15. . . . . . . . . . . .
Reassembly 6A-16. . . . . . . . . . . . . . . . . . . . . .
Water Circulating Pump 6A-19. . . . . . . . . . . . . . .
Removal 6A-19. . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning and Inspection 6A-19. . . . . . . . . . . .
Installation 6A-19. . . . . . . . . . . . . . . . . . . . . . . .
Drive Belt Tension Adjustment 6A-20. . . . . . . . .
Flushing Seawater Cooling System 6A-21. . . . .
454/502 Mag MPI and 8.2L MPI
Engines (Except Horizon Model) 6A-21. . . .
454 Mag MPI Horizon Models 6A-22. . . . . . .
Seawater Strainer 6A-23. . . . . . . . . . . . . . . . . . . .
Removal and Disassembly 6A-23. . . . . . . . . .
Cleaning and Inspection 6A-24. . . . . . . . . . . .
Reassembly 6A-24. . . . . . . . . . . . . . . . . . . . . .
Thermostat 6A-24. . . . . . . . . . . . . . . . . . . . . . . . . .
Removal 6A-24. . . . . . . . . . . . . . . . . . . . . . . . .
Testing 6A-25. . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 6A-26. . . . . . . . . . . . . . . . . . . . . . . .
Auxiliary Hot Water Heater Installation 6A-27. .
Water Tap Locations For Propshaft
Coolers 6A-28. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Water Flow Diagram 6A-28. . . . . . . . . . . . . . . . . .
MCM / MIE Models With Raw Water
Cooling 6A-28. . . . . . . . . . . . . . . . . . . . . . . . . .
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