Mercury BRAVO

7
A
CORROSION PROTECTION - ALL MODELS
SERVICE MANUAL NUMBER 28
90-863160 MAY 2000 Page 7A-1
CORROSION PROTECTION
Section 7A - All Models
Table of Contents
Specifications 7A-2. . . . . . . . . . . . . . . . . . . . . . . . .
Special Tools 7A-2. . . . . . . . . . . . . . . . . . . . . . .
Lubricants / Sealants / Adhesives 7A-2. . . . .
Continuity Circuit 7A-2. . . . . . . . . . . . . . . . . . . . . .
Trim Cylinder Anodes 7A-5. . . . . . . . . . . . . . . . . .
Anodic Plate 7A-6. . . . . . . . . . . . . . . . . . . . . . . . . .
Bravo One Sterndrive Units 7A-6. . . . . . . . . .
Bravo Two Sterndrive Units 7A-8. . . . . . . . . .
Bravo Three Sterndrive Units 7A-8. . . . . . . .
Integral MerCathode System 7A-9. . . . . . . . . . .
Removing Electrode Assembly 7A-9. . . . . . .
Installing Electrode Assembly 7A-10. . . . . . . . . .
Connect Electrical Leads to
Controller Assembly 7A-12. . . . . . . . . . . . . . .
Wiring Diagrams 7A-13. . . . . . . . . . . . . . . . . . . . .
MerCathode Monitor 7A-13. . . . . . . . . . . . . . .
MerCathode Controller 7A-14. . . . . . . . . . . . .
Quicksilver Isolator 7A-15. . . . . . . . . . . . . . . . . . .
Corrosion Protection Testing
and Troubleshooting 7A-15. . . . . . . . . . . . . . . . .
Test Equipment Set-Up 7A-18. . . . . . . . . . . . .
Low Readings 7A-19. . . . . . . . . . . . . . . . . . . . .
Low Readings (continued) 7A-20. . . . . . . . . .
High Reading 7A-21. . . . . . . . . . . . . . . . . . . . .
Normal Reading But Corrosion
is Evident 7A-21. . . . . . . . . . . . . . . . . . . . . . . .