Mercury D2.8L D-Tronic Specifications Page 121
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MAINTENANCE
SECTION 5
CMD-4081850 / 90-860094030 SEPTEMBER 2003 Page 113
0161.02
Corrosion Protection
Whenever 2 or more dissimilar metals (like those found on the sterndrive) are submerged
in a conductive solution, such as saltwater, polluted water or water with a high mineral
content, a chemical reaction takes place causing electrical current to flow between metals.
The electrical current flow causes the metal that is most chemically active, or anodic, to
erode. This is known as galvanic corrosion and, if not controlled, it will in time cause the need
for replacement of power package components exposed to water.
To help control the effects of galvanic corrosion, Cummins MerCruiser Diesel sterndrive
units come with several sacrificial anodes and other corrosion protection devices. For a
more comprehensive explanation of corrosion and corrosion protection refer to the Marine
Corrosion Protection Guide (90-88181301).
71176
a
b
c
d
e
f
g
h
a-Gearcase anodic plate
b-Ventilation Plate Anode
c-Drive mounted anodic block
d-MerCathode system
e-Anode kit
f-Trim cylinder anodes
g-Bearing carrier anode
h-Propshaft anode
IMPORTANT: Replace sacrificial anodes if eroded 50 percent or more.
Gearcase Anodic Plate - Is mounted on the underside of the lower gearcase and serves
as a sacrificial anode.
79285
a
Alpha, Bravo One and Bravo Two
Models
Bravo Three Models
a-Anode
- 2003, Mercury Marine 1
- Identification Record 2
- WELCOME! 3
- Read This Manual Thoroughly 4
- SECTION 1 - WARRANTY 5
- SECTION 4 - SPECIFICATIONS 6
- SECTION 5 - MAINTENANCE 7
- Warranty Information 10
- WARRANTY 11
- SECTION 1SECTION 1 11
- Warranty Policies 12
- WHAT IS NOT COVERED 13
- DISCLAIMERS AND LIMITATIONS 13
- WHAT IS COVERED 14
- WHAT MERCURY WILL DO 14
- WARRANTY SECTION 1 16
- 00000 was CD622 16
- Transferable Warranty 18
- Features And Controls 20
- SECTION 2 21
- Instrumentation 22
- SWITCHES 23
- ENGINE MONITORING FEATURES 24
- Remote Controls 25
- CONSOLE MOUNTED 26
- Power Trim 28
- SINGLE ENGINE TRIM/TRAILER 29
- DUAL ENGINE TRIM/TRAILER 29
- Audio Warning System 32
- Emissions Information 33
- SECTION 3 - ON THE WATER 35
- Safe Boating Suggestions 36
- ON THE WATER 37
- SECTION 3 37
- GOOD VENTILATION 39
- POOR VENTILATION 39
- Basic Boat Operation 40
- Duty Cycle Rating 41
- LIGHT DUTY RATING 42
- GENERAL INFORMATION 44
- BEFORE STARTING THE ENGINE 45
- STARTING A COLD ENGINE 46
- ENGINE WARM UP 47
- STARTING A WARM ENGINE 47
- SHIFTING 48
- ENGINE SHUT-DOWN (STOPPING) 48
- Trailering The Boat 53
- Drain Plug and Bilge Pump 53
- While You Are Cruising 54
- While Boat Is Stationary 54
- Wave And Wake Jumping 56
- 0035.1 with CMD change 57
- Drive Unit Impact Protection 58
- Bottom Of Boat 59
- Cavitation 59
- Ventilation 60
- Elevation And Climate 60
- Propeller Selection 61
- Getting Started 62
- 20-Hour Break-In Period 63
- After Break-In Period 64
- End of First Season Checkup 64
- Fuel Requirements 66
- Diesel Fuel In Cold Weather 67
- Anti-Freeze/Coolant 67
- Engine Oil 68
- Engine Specifications 69
- D4.2L LD And D4.2L 230 70
- D4.2L 300 72
- Fluid Specifications 73
- SPECIFICATIONS 74
- SECTION 4 74
- Dealer Responsibilities 76
- Maintenance 77
- 0057 W CMD changes 78
- Inspection 79
- Maintenance Schedules 80
- Routine Maintenance * 80
- Scheduled Maintenance * 81
- Maintenance Record 83
- Changing Oil and Filter 86
- 00000 was CD919 88
- Power Steering Pump Fluid 89
- Checking 90
- Changing 92
- Drive Unit Oil 93
- Power Trim Pump Fluid 97
- SITUATION 99
- RECOMMENDATIONS 99
- Air Filter 100
- Water Separating Fuel Filter 101
- Replacing 102
- MAINTENANCE 103
- SECTION 5 103
- Fuel System 106
- Lubrication 108
- Throttle Cable 110
- Shift Cable 111
- Engine Coupler 112
- Removed) 113
- Drive Shaft Extension Models 114
- Propellers 115
- Bravo Three 117
- INSTALLATION 118
- Drive Belts - All Engines 119
- Power Steering Pump Belt 120
- Corrosion Protection 121
- Internal Components 125
- INSPECTION 126
- Painting Your Power Package 128
- CE376 modified 129
- Flushing The Seawater System 130
- Dual Water Pick-Up Flush Gear 131
- Case Seal Kit 131
- 91-881150Q1 131
- Flushing Device 91-44357Q2 131
- SECTION 6 - STORAGE 133
- SECTION 6 134
- 0084 w / CMD 134
- Draining Instructions 135
- 00000 was CD927 w / changes 140
- Recommissioning 142
- SECTION 7 - TROUBLESHOOTING 145
- Diagnosing EDI Problems 146
- Troubleshooting Charts 146
- TROUBLESHOOTING 147
- SECTION 7 147
- Poor Performance 148
- Excessive Engine Temperature 149
- Low Engine Oil Pressure 150
- Battery Will Not Charge 150
- Unusual Sounds 150
- 0175 w / changes – CMD 151
- 0177 with CMD changes 151
- Table of Contents 153
- Owner Service Assistance 154
- Replacement Service Parts 155
- Resolving A Problem 156
- Customer Service Literature 157
- SECTION 8 158
- Ordering Literature 159
- 00000 was CD851 160
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