Sea Ray 425 Sundancer Owner's Manual Page 117
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6.15
SECTION 6 • ELECTRICAL SYSTEM
40 Sundancer
®
(425 Sundancer
®
)
Replace zinc anodes if they are corroded 50% or
more.
! CAUTION
Zinc anodes generally require replacement
about once a year. (In salt water areas, replace
every six (6) months). The need to replace anodes
more frequently may indicate a stray current
problem within the boat or at the slip or mooring. If
zinc anodes do not need replacing after one year,
they may not be providing proper protection. Loose
anodes or low-grade zinc may be the problem.
When an AC shore power system is connected to
the boat, the underwater metal fittings will, in effect,
be connected through the water to grounded metals
ashore. The zincs will be consumed at a faster rate
unless the marina maintains a protective system to
prevent this. In this case, hanging a zinc in the water
bonded to the metal outlet box on the dock will
reduce zinc loss on the boat. DO NOT connect this
zinc to the boat’s ground system.
It is extremely important that all electrically
operated DC equipment and accessories be wired
so that the ground polarity of each device is the
same as that of the battery. Sea Ray
®
boats have
a negative ground system, which is the
recommended practice throughout the marine
industry. All metal items (fuel tanks, underwater
gear, etc.) in the boat are connected to the zinc
anode by the green bonding wire.
Electrolytic corrosion can also be caused by “stray
currents” due to a fault in an electrical item, even
though correctly grounded.
A. GALVANIC ISOLATOR
Galvanic current isolators (zinc saver) located on
the starboard bulkhead behind the Main Distribution
Panels are installed between the shore power
ground and the boat’s AC ground connection to the
DC bonding system. This connection maintains the
safety ground from dockside power while stopping
the back-flow of DC corrosive currents. The galvanic
isolator can be accessed lowering the Main
Distribution Panel / DC Distribution Panel assembly
in the salon.
18. AC & DC ELECTRICAL
SCHEMATICS & WIRING HARNESSES
This owner's manual contains electrical
schematics and wiring harness illustrations for
your boat (See pages 6.16 thru 6.44). These
electrical schematics were generated by electrical
CAD designers at the engineering division for
technical reference and service technicians. Sea
Ray
®
does not recommend that you attempt to
work on the boat’s electrical system yourself.
Instead we recommend that you take your boat
to your authorized Sea Ray
®
dealer for service.
Sea Ray
®
reserves the right to change or update
the electrical system on any model at any time
without notice to the consumer and is NOT
obligated to make any updates to units built prior
to changes.
Never disconnect the green wire (safety ground) from
the engine terminal.
! CAUTION
NOTICE
DO NOT PAINT BETWEEN THE ZINC AND THE
METAL IT CONTACTS, AND DO NOT PAINT OVER
THE ZINC.
- 40 Sundancer 1
- INTRODUCTION 3
- ABOUT YOUR LIMITED WARRANTY 6
- (425 Sundancer 12
- SECTION 1 • SAFETY 13
- 1. DOCKING/LIFTING/STORAGE 35
- 2. PASSENGER LOCATIONS 36
- (FIG. 2.3.1) 37
- 4. PROPULSION SYSTEM 38
- 5. PROPELLERS 38
- 6. GENERAL DECK LAYOUT 39
- 7. CABIN LAYOUT 40
- 8. SPOILER 41
- (FIG. 2.8.1) 42
- . 2.9.1) 43
- (FIG. 2.10.1) 44
- CONTROL STATION SWITCH PANEL 44
- (DIESEL OPTION) 44
- (FIG. 2.10.2) 44
- (FIG. 2.11.1) 45
- PORT THROUGH-HULL FITTINGS 45
- (FIG. 2.11.2) 45
- BILGE THROUGH-HULL FITTINGS 46
- (FIG. 2.12.1) 46
- TRANSOM THROUGH-HULL FITTINGS 46
- (FIG. 2.12.2) 46
- 11. MAJOR CONTROLS 47
- C. HYDRAULIC TRIM TABS 48
- 12. IMPORTANT GAUGES 50
- C. SYNCHRONIZER 51
- Engine Shutdown 52
- Override System 52
- SEA-FIRE 52
- G. S YSTEMS MONITOR 53
- Function 55
- Description 55
- NAVIGATOR 56
- 14. CONSOLE DIMMER 57
- SWITCHES & RECEPTACLES 58
- (FIG. 2.24.1) 58
- SWITCH AND RECEPTACLE LAYOUT 59
- (FIG. 2.26.1) 60
- 16. LIGHTING LAYOUT 61
- LIGHTING LAYOUT 62
- SECTION 3 • USING YOUR BOAT 63
- 1. BILGE 81
- 2. BILGE PUMPS 81
- 3. BILGE BLOWERS 82
- 4. ENGINES 83
- 5. ENGINE GAUGE PACKAGE 83
- 8. MARINE GEARS 84
- 9. ENGINE EXHAUST SYSTEM 84
- 6. FRESH WATER COOLING SYSTEM 84
- 7. ENGINE MOUNTS 84
- 10. ENGINE REMOVAL 85
- 11. VIBRATION & CAUSES 85
- D. COUPLING OUT OF TRUE 86
- F. O THER POSSIBLE CAUSES 86
- 13. UNDERWATER GEAR 87
- B. SHAFTS 90
- C. CARRIER SEAL KIT 90
- D. STRUT 91
- 15. SEACOCKS & STRAINERS 92
- 16. HYDRAULIC POWER STEERING 93
- 17. ELECTRIC BILGE HATCH 93
- 18. 40 DA BILGE LAYOUT 94
- 40 DA BILGE LAYOUT (DIESEL) 95
- SECTION 5 • FUEL SYSTEM 100
- SECTION 6 • ELECTRICAL SYSTEM 103
- Engines 27 12 600 155 4 103
- Bow Thruster 31 12 800 200 2 103
- ECTION 6 • ELECTRICAL SYSTEM 112
- 2. CARBON MONOXIDE MONITORS 149
- 1. LAYOUT AND ACCESSORIES 149
- 4. WATER SYSTEM 150
- A. WATER TANK 151
- B. WATER PUMPS & FILTER 152
- E. WATER HEATER 153
- ! WARNING 153
- F. DOCKSIDE WATER INLET 154
- G. C OCKPIT SHOWER 154
- H. GRAY WATER SUMP 154
- 5. HEAD SYSTEM 155
- B. VACU-FLUSH 156
- ! CAUTION 156
- 6. MACERATOR DISCHARGE PUMP 157
- SEACOCK INTERLOCK SYSTEM 157
- (OPTIONAL) 157
- 7. COMMUNICATION SYSTEM 158
- 8. ENTERTAINMENT CENTERS 159
- (FIG. 7.12.2) 160
- AUTOMATIC FIRE EXTINGUISHER 160
- (FIG. 7.12.1) 160
- C. HAND HELD EXTINGUISHERS 161
- 10. BOW THRUSTER (OPTIONAL) 162
- 11. REFRIGERATOR/FREEZER 162
- 12. COFFEE MAKER 162
- 13. STOVE & MICROWAVE 163
- 14. POWER VENTILATION SYSTEM 163
- 15. CENTRAL VACUUM (OPTIONAL) 163
- 16. HORN 163
- 17. CONVERTIBLE SOFAS 164
- 18. PRIVACY CURTAIN 164
- 19. SHORE POWER 164
- 20. WINDSHIELD VENT 164
- 21. CANVAS 164
- B. STORAGE: 165
- C. INSTALLATION TIPS: 165
- 22. FLOOR PLAN 166
- FLOOR PLAN 167
- (425 Sundancer 168
- MAINTENANCE 169
- 3. FIBERGLASS & GELCOAT 185
- SUBSTANCES 185
- 6. CARE FOR BOTTOM PAINT 186
- 5. PERMANENTLY MOORED OR 186
- DOCKED BOATS 186
- 4. STAINS & SCRATCHES 186
- 7. BILGE/ENGINE COMPARTMENT 187
- 8. TOPSIDE AREAS 187
- 9. GAUGE & SWITCH PANELS 187
- 10. ACRYLIC PLASTIC SHEETING 188
- (PLASTIC GLASS) 188
- 11. CANVAS AND CLEAR VINYL 188
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