Mercury BRAVO Service Manual

1
C
TROUBLESHOOTING
SERVICE MANUAL NUMBER 28
90-863160 MAY 2000 Page 1C-1
IMPORTANT INFORMATION
Section 1C - Troubleshooting
Table of Contents
Table of Contents 1C-1. . . . . . . . . . . . . . . . . . . . .
Troubleshooting 1C-2. . . . . . . . . . . . . . . . . . . . . . .
Sterndrive Unit Troubleshooting 1C-2. . . . . . . . .
Sterndrive Unit Will Not Slide Into
Bell Housing 1C-2. . . . . . . . . . . . . . . . . . . . . . .
Drive Unit Does Not Shift Into Gear;
Remote Control Shift Handle Moves 1C-2. .
Drive Unit Does Not Shift Into Gear;
Remote Control Shift Handle Does
Not Move 1C-3. . . . . . . . . . . . . . . . . . . . . . . . .
Drive Unit Shifts Hard 1C-3. . . . . . . . . . . . . . .
Drive Unit In Gear, Will Not Shift
Out Of Gear 1C-3. . . . . . . . . . . . . . . . . . . . . . .
Gear Housing Noise 1C-4. . . . . . . . . . . . . . . .
Drive Shaft Housing Noise 1C-4. . . . . . . . . . .
Drive Shaft Housing Noise
(Continued) 1C-5. . . . . . . . . . . . . . . . . . . . . . .
Drive Shaft Housing Noise
(Continued) 1C-6. . . . . . . . . . . . . . . . . . . . . . .
Power Shift 1C-7. . . . . . . . . . . . . . . . . . . . . . . . . . .
System Does Not React 1C-7. . . . . . . . . . . . .
System Binds 1C-7. . . . . . . . . . . . . . . . . . . . . .
Performance Troubleshooting 1C-8. . . . . . . . . . .
Low WOT Engine RPM 1C-8. . . . . . . . . . . . . .
High WOT Engine RPM 1C-8. . . . . . . . . . . . .
Propeller Ventilating/Cavitating 1C-8. . . . . . .
Poor Boat Performance And/Or Poor
Maneuverability-Bow Too Low 1C-9. . . . . . .
Poor Boat Performance And/Or Poor
Maneuverability-Bow Too High 1C-9. . . . . . .
Power Steering 1C-10. . . . . . . . . . . . . . . . . . . . . .
Hard Steering - Helm And Cable 1C-10. . . . .
Hard Steering (Engine Running)
- Power Steering System 1C-10. . . . . . . . . . .
Power Steering System External
Fluid Leaks 1C-10. . . . . . . . . . . . . . . . . . . . . . .
Compact Hydraulic Steering 1C-11. . . . . . . . . . .
Important Information 1C-11. . . . . . . . . . . . . .
Helm Becomes Jammed During Filling 1C-11
System Difficult To Fill 1C-11. . . . . . . . . . . . . .
Steering Hard To Turn 1C-11. . . . . . . . . . . . . .
Helm Unit Bumpy
- Requires Too Many Turns 1C-11. . . . . . . . .
Power Trim Electrical System 1C-12. . . . . . . . . .
Power Trim System Wiring Diagram 1C-16. . . .
Power Trim Hydraulic System 1C-17. . . . . . . . . .
Power Trim Hydraulic Schematic 1C-21. . . . . . .
Auto Trim II Electrical System 1C-22. . . . . . . . . .
Auto Trim II System Wiring Diagram 1C-28. . . .
Corrosion Protection 1C-29. . . . . . . . . . . . . . . . . .

Mercury BRAVO Specifications

General

Brand	Mercury
Model	BRAVO
Category	Engine
Language	English