Date of Purchase __________________________________________________ Port Engine Serial Number: _________________________________________ Starboard Engine Serial Number: ____________________________________ Hull Identification Number: __________________________________________ Hull Identification Number • The Hull Identification Num- ber (HIN) is located on the starboard side of the transom. • Record the HIN (and the engine serial numbers) in the space provided above.
CONTENTS Chapter 1: Welcome Aboard! Chapter 3: Propulsion & Related Systems Dimensions and Tank Capacities Engine Layout View Exhaust System Dealer Service Engine Room Ventilation System Warranty Information Fuel System Boating Experience 31 Fuel Fills & Vents Engines & Accessories Guidelines 31 Fuel Transfer Pump (Diesel Engines Only) Engine &...
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Chapter 6: Plumbing Chapter 9: Lights Bilge Pumps Care and Maintenance 43 Autofloat Switches Interior & Exterior Lights Seawater Systems Spotlight (If Equipped) 44 Seacocks 44 Seawater Strainers Chapter 10: Heating & Air Conditioning 45 Raw Water Washdown (If Equipped) Freshwater System Air Conditioning System (If Equipped) 47 Freshwater System Winterization...
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Hazard Boxes & Symbols The hazard boxes and symbols shown below are used throughout this manual to call attention to potentially danger- ous situations which could lead to either personal injury or product damage. Read ALL warnings carefully and fol- low all safety instructions.
490 Motoryacht • Owner’s Manual Chapter 1: Welcome Aboard! • This Owner’s Manual provides specific information about your yacht. • Additional information about safe operating practices, general boating regulations, and proper maintenance techniques is included in the Cruiser & Yacht Owner’s Manual Supplement.
Chapter 1: Welcome Aboard! 490 Motoryacht • Owner’s Manual Warranty Information • Meridian offers an Express Limited Transferable Warranty on each new Meridian purchased through an authorized Meridian dealer. • A copy of the Express Limited Transferable Warranty was included in your owner’s packet.
490 Motoryacht • Owner’s Manual Chapter 1: Welcome Aboard! Safety Standards DANGER! FALLING and ROTATING PROPELLER HAZARD! NEVER allow anyone to ride on parts of the yacht not designed for such use. • Sitting on seat backs, lounging on the forward deck, bow riding, gunwale riding or occu- pying the transom platform while underway is especially hazardous and will cause per- sonal injury or death.
Chapter 1: Welcome Aboard! 490 Motoryacht • Owner’s Manual Special Care For Moored Boats NOTICE • To help seal the hull bottom and reduce the possibility of gelcoat blistering on moored boats, apply an epoxy barrier coating. The barrier coating should be covered with sev- eral coats of anti-fouling paint.
490 Motoryacht • Owner’s Manual Chapter 1: Welcome Aboard! Boat Lifting WA RNING! PERSONAL INJURY and /or PRODUCT OR PROPERTY DAMAGE HAZARD! • Lifting slings may slip on the hull. • Avoid serious injury or death by securing the lifting slings together before lifting.
Chapter 1: Welcome Aboard! 490 Motoryacht • Owner’s Manual Carbon Monoxide (CO) DANGER! • Carbon monoxide gas (CO) is colorless, odorless, tasteless, and extremely dangerous. • All engines, generators, and fuel burning appliances produce CO as exhaust. • Prolonged exposure to low concentrations or very quick exposure to high concentrations will cause BRAIN DAMAGE or DEATH.
490 Motoryacht • Owner’s Manual Chapter 1: Welcome Aboard! Where and How CO Can Accumulate Stationary Conditions That Increase CO Accumulations Include: A. Using engine, generator, or other fuel burning device when yacht is moored in a confined space. B. Mooring too close to another boat that is using To correct stationary situations A and/or B: •...
Chapter 1: Welcome Aboard! 490 Motoryacht • Owner’s Manual Trip Checklist Make sure you know where the exhaust outlets are located on your yacht. Educate all passengers about the symptoms of CO poisoning and where CO may accumulate. When docked, or rafted with another boat, be aware of exhaust emissions from the other boat.
490 Motoryacht • Owner’s Manual Chapter 1: Welcome Aboard! More Information For more information about how you can prevent carbon monoxide poisoning on recreational boats and other ways to boat more safely, contact: United States Coast Guard National Marine Manufacturers American Boat &...
Chapter 2: Locations 490 Motoryacht • Owner’s Manual Command Bridge Helm Station NOTE: TYPICAL HELM LAYOUTS SHOWN ACTUAL LAYOUTS MAY VERY DEPENDING ON ENGINE AND ACCESSORY OPTIONS TEMPERATURE OIL PRESSURE COMPASS OIL PRESSURE TEMPERATURE GAUGE GAUGE GAUGE GAUGE VOLTMETER TACHOMETER...
490 Motoryacht • Owner’s Manual Chapter 2: Locations Component Locations 12-Volt Accessory Outlet: • Located at the lower helm. 12 VOLT RECEPTACLE Air Conditioner Seawater Intake Seacock: • Located in the engine room, forward of the port side engine. • Access is through the top step in the salon.
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Chapter 2: Locations 490 Motoryacht • Owner’s Manual Air Conditioner Unit - Salon: • Located under the lounge seat cushion in the pilothouse. LOUNGE SEAT CUSHION Air Conditioner Unit - Pilothouse: • Located under the pilothouse dash. • Access the air conditioner unit through...
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490 Motoryacht • Owner’s Manual Chapter 2: Locations Battery Charger: • Located in the engine room, aft of the port engine. • Access to the engine room is through the top step in the salon. BATTERY CHARGER Battery Switches: • Located inside the cabinet on the port side of the salon.
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Chapter 2: Locations 490 Motoryacht • Owner’s Manual Bilge Pumps - Aft: • Located in the aft engine room, in the floor hatch. • Access to the engine room is through the top step in the salon. BILGE PUMPS &...
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490 Motoryacht • Owner’s Manual Chapter 2: Locations Carbon Monoxide Detectors (4 total): V-BERTH CO MONITOR AFT BERTH CO MONITOR SALON CO MONITOR MID BERTH CO MONITOR Aft Berth - on the forward ceiling. V-berth - on the starboard ceiling.
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Chapter 2: Locations 490 Motoryacht • Owner’s Manual DC Circuit Breakers: • Located in the electrical cabinet, on the starboard side of the pilothouse. DC CIRCUIT BREAKERS Depth Sounder Thru-hull Transducer: TRANSDUCER • Located under the hallway stairs. • Access is through the bottom step in the salon.
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490 Motoryacht • Owner’s Manual Chapter 2: Locations Freshwater Fill: • Located at the bow, on the port side. FRESHWATER FILL FITTINGS Freshwater Tanks: • Located in the V-berth. FORWARD HATCH • Access to the forward tank is through the forward hatch, under the V-berth mattress.
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Chapter 2: Locations 490 Motoryacht • Owner’s Manual Fuel Tanks: • Located in the engine room; one is on the port side and the other is on the starboard side. FUEL TANKS • Access to the engine room is through the top step in the salon.
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490 Motoryacht • Owner’s Manual Chapter 2: Locations Generator Pickup: • Located in the aft machinery room. GENERATOR PICKUP • Access to the aft machinery room is through the middle cockpit floor hatch. The pickup is on the starboard side of the generator, forward of the batteries.
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Chapter 2: Locations 490 Motoryacht • Owner’s Manual Marine Head (Electric) Seawater Intake Seacock: • Located in the hallway. • Access is through the hatch door in the star- board wall, next to stairs. HATCH DOOR Wall Vacuum Unit: • Located in the hallway.
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490 Motoryacht • Owner’s Manual Chapter 2: Locations Waste Holding Tank: • Located in the engine room on HOLDING TANK the starboard side. • Access to the engine room is through the top step in the salon. Water Heater: • Located in the engine room, on the port side.
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Chapter 2: Locations 490 Motoryacht • Owner’s Manual Water Pump: • Located in the engine room, on the port side, aft of the water heater. • Access to the engine room is through the top step in the salon. WATER HEATER...
490 Motoryacht • Owner’s Manual Chapter 3: Propulsion & Related Systems Engine Read and understand the engine operation and maintenance manuals before using or working on the engines. Engine Cooling System CAUTION! SYSTEM DAMAGE HAZARD! The engine cooling system’s seacocks must be Opened before engines are started and during engine operation.
Chapter 3: Propulsion & Related Systems 490 Motoryacht • Owner’s Manual Exhaust System DANGER! CARBON MONOXIDE POISONING HAZARD! Leaking engine and/or generator exhaust is a source of dangerous carbon monoxide gas (CO). Check all exhaust systems before each trip. • Look for leaks in the exhaust systems of the propulsion engines and the generator.
490 Motoryacht • Owner’s Manual Chapter 3: Propulsion & Related Systems Engine Room Ventilation System WARNI NG! FIRE/EXPLOSION HAZARD • Use of the blower system is NOT A GUARANTEE that explosive fumes have been removed. • If you smell fuel, DO NOT start the engines or generator and DO NOT turn On any electrical devices.
Chapter 3: Propulsion & Related Systems 490 Motoryacht • Owner’s Manual Fuel System WARNING! FIRE, EXPLOSION AND OPEN FLAME HAZARD! • It is very important that the fuel system be inspected thoroughly the first time it is filled and at each subsequent filling.
490 Motoryacht • Owner’s Manual Chapter 3: Propulsion & Related Systems GAS FUEL LINE ROUTING (IF EQUIPPED) PORT FUEL FUEL FILL LINE DECK FITTING FUEL TANK VENT PORT FUEL TANK STARBOARD FUEL LINE STARBOARD FUEL TANK FUEL FILL FUEL TANK...
Chapter 3: Propulsion & Related Systems 490 Motoryacht • Owner’s Manual Fuel Filters • The fuel pickup tube (located inside the fuel tank) is equipped with a fine mesh screen filter. • In addition, when supplied by the engine manufacturer, a fuel filter is installed on the engine.
490 Motoryacht • Owner’s Manual Chapter 3: Propulsion & Related Systems Shaft-Transmission Alignment CAUTION! SYSTEM DAMAGE HAZARD! • If you suspect a shaft-transmission misalignment, have a qualified mechanic perform an alignment inspection as soon as possible. • Continued use may lead to premature engine, transmission, shaft, shaft seal and/or...
490 Motoryacht • Owner’s Manual Chapter 4: Controls and Gauges Steering • This yacht features a hydraulic steering system. • Yacht steering is not self-centering. Rudder Stuffing Gland VIEW OF TYPICAL RUDDER SYSTEM PORT STEERING TIE BAR AUTOPILOT RUDDER (IF EQUIPPED)
490 Motoryacht • Owner’s Manual Chapter 4: Controls and Gauges Autopilot (If Equipped) WARNING! • Never leave the helm while the autopilot system is On! • A qualified operator must monitor the autopilot system at all times and keep lookout for other marine traffic and other hazards.
Chapter 4: Controls and Gauges 490 Motoryacht • Owner’s Manual Trim Tabs WA RNING! LOSS OF CONTROL HAZARD! Improper use of trim tabs will cause loss of control! • Do not allow anyone unfamiliar with trim tabs to use them.
490 Motoryacht • Owner’s Manual Chapter 4: Controls and Gauges Docking On Command (D.O.C.) System (If Equipped) CONTROL MODULE BOW THRUSTER (TYPICAL) • The D.O.C. system features a bow thruster. • The thruster can be controlled from either helm. • During docking, the thruster can assist you in maneuvering your yacht in close quarters.
Chapter 4: Controls and Gauges 490 Motoryacht • Owner’s Manual Gauges Cleaning Gauges CAUTION! PRODUCT or PROPERTY DAMAGE HAZARD! • Use only mild soap and water to clean the gauge lenses and bezels. • Use of other cleaners, including common window cleaning solutions, may cause the lenses to crack.
490 Motoryacht • Owner’s Manual Chapter 5: Navigation & Communication Equipment Before using these systems for the first time, read and understand the instruction manuals and note the follow- ing: Compass NOTICE • Compass accuracy can be affected by many factors.
Chapter 5: Navigation & Communication Equipment 490 Motoryacht • Owner’s Manual VHF Radio (If Equipped) • The VHF (Very High Frequency) radio can be used to access weather reports, summon assistance or contact other vessels as permitted by the FCC (Federal Communications Commission).
490 Motoryacht • Owner’s Manual Chapter 6: Plumbing Bilge Pumps NOTICE Discharge of oil, oil waste or fuel into navigable waters is prohibited by law. Violators are subject to legal action by the local authorities. AFT BILGE PUMPS MID BILGE &...
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Chapter 6: Plumbing 490 Motoryacht • Owner’s Manual Bilge Pump Testing Bilge pumps are critical to the safety of your yacht. Check the bilge pumps often to make sure that they are working properly. Test each pump individually. To test each bilge pump: Turn On the manual switches at the helm.
490 Motoryacht • Owner’s Manual Chapter 6: Plumbing Autofloat Switches • The automatic bilge pumps use float (autofloat) switches to automatically turn On the pumps when- ever water rises to a preset level in the bilge. • The autofloat switches are normally mounted next to the bilge pumps they control.
Chapter 6: Plumbing 490 Motoryacht • Owner’s Manual Seawater Systems Seacocks CAUTION! SYSTEM DAMAGE HAZARD! • Before using a seawater intake system, make sure that the system’s seacock is in the Open position before the system is started and keep the seacock Open until the system is shut Off.
490 Motoryacht • Owner’s Manual Chapter 6: Plumbing Raw Water Washdown (If Equipped) CAUTION! FLOODING & SWAMPING HAZARD! NEVER leave the boat unattended while using the "raw water" feature. Any leak or break in the system may allow large amounts of water to accumulate in the bilge that could cause swamping of the batteries and engines or sinking of the boat.
Chapter 6: Plumbing 490 Motoryacht • Owner’s Manual Freshwater System WA RNING! • Only use safe drinking (potable) water in your yacht’s freshwater system. • Only use a sanitary drinking water hose to fill the water tank or connect to city water.
490 Motoryacht • Owner’s Manual Chapter 6: Plumbing Freshwater System Winterization CAUTION! WATER SYSTEM DAMAGE HAZARD! Never blow compressed air through the water system when all of the faucets are Closed. Turn On the water system switch. Open all of the faucets and showers and let the water system drain completely.
Chapter 6: Plumbing 490 Motoryacht • Owner’s Manual Water Heater WA RNING! HOT HAZARD! Water heated by the water heater can reach temperatures hot enough to scald the CAUTION! WATER HEATER DAMAGE HAZARD! • DO NOT turn On the water heater electrical circuit on the AC panel until the water heater tank is COMPLETELY filled with water.
490 Motoryacht • Owner’s Manual Chapter 6: Plumbing Transom Shower • Your yacht features a freshwater tran- som shower. • Read the manufacturer’s instructions before using the transom shower for the first time. • The water pump switch must be turned On before using the transom shower.
Chapter 6: Plumbing 490 Motoryacht • Owner’s Manual Drain Systems Deck Drains • Water on the deck is drained overboard through the deck drains. • Keep the deck drains free of debris. Sink Drains Gray water (water from the sinks) is gravity drained overboard.
490 Motoryacht • Owner’s Manual Chapter 6: Plumbing Marine Head with Holding Tank NOTICE Check with local authorities for regulations regarding the legal use of marine head systems. • Read the marine head operation and maintenance manual before using the marine head for the first time.
Chapter 6: Plumbing 490 Motoryacht • Owner’s Manual Macerator (If Equipped) NOTICE Check with local authorities for regulations regarding the legal use of marine head systems. HOLDING TANK HOLDING MACERATOR WATER SEAWATER TANK VENT PUMP PUMP PICKUP SEACOCK WASTE PUMP-...
490 Motoryacht • Owner’s Manual Chapter 6: Plumbing VacuFlush (If Equipped) FORWARD TO THE FRESH- HEAD WATER SYSTEM FORWARD HEAD VACUUM PUMP HEAD TO THE FRESH- WATER SYSTEM AFT HEAD VACUUM PUMP SIPHON OVERBOARD BREAK DISCHARGE SEACOCK WASTE PUMP-OUT DECK FITTING...
490 Motoryacht • Owner’s Manual Chapter 7: Deck Equipment Cleats WA RNING! PERSONAL INJURY and /or PRODUCT or PROPERTY DAMAGE HAZARD! • NEVER lift the yacht using the cleats. Carefully read the section on towing in the Cruiser & Yacht Owner’s Manual Supplement before towing any- thing behind the yacht or having the yacht towed by another vessel.
490 Motoryacht • Owner’s Manual Chapter 7: Deck Equipment Davit (If Equipped) WA RNING! PERSONAL INJURY and /or PRODUCT or PROPERTY DAMAGE HAZARD! • Water is heavy. Lifting a dinghy to drain its bilge may exceed the davit’s load limit.
Chapter 7: Deck Equipment 490 Motoryacht • Owner’s Manual Canvas CAUTION! Take down and securely stow the canvas top, side curtains and back cover before trans- porting your yacht by road. JAWSLIDE Insert the end eyes (A) of the main bows (B) into the deck hinges (C) and secure with the pins (D).
490 Motoryacht • Owner’s Manual Chapter 8: Appliances & Enter tainment Systems NOTICE Always keep an approved ABC-type fire extinguisher in galley area. All appliances and entertainment systems installed on your yacht come with their own manuals. These manuals contain detailed instructions and important safeguards. Thoroughly read and understand these manuals before using your yacht’s appliances and entertainment systems.
Chapter 8: Appliances & Entertainment Systems 490 Motoryacht • Owner’s Manual Dockside Television & Telephone Inlet • If you want to watch cable TV or use a telephone, plug a dockside source into the TV/telephone inlet CABLE TV/ PHONE INLET...
490 Motoryacht • Owner’s Manual Chapter 9: Lights Care and Maintenance All of the lights installed on your yacht are of top quality, but you should be aware that failure may periodically occur for a variety of reasons: 1. There may be a blown fuse - replace the fuse.
490 Motoryacht • Owner’s Manual Chapter 10: Heating & Air Conditioning Air Conditioning System (If Equipped) DANGER! CARBON MONOXIDE POISONING HAZARD! Dangerous carbon monoxide gas (CO) can be brought into the boat through the air conditioning system. CAUTION! SYSTEM DAMAGE HAZARD! The air conditioning system’s seacock must be Opened before turning On the air condi-...
490 Motoryacht • Owner’s Manual CHAPTER 10: HEATING & AIR CONDITIONING Electric Heaters (If Equipped) Your yacht may feature electric cabin heaters. Operating instructions for this system can be found in the manu- facturer’s instruction manual. • Before using the electric heaters, make sure the breakers on the AC panel are turned On.
490 Motoryacht • Owner’s Manual Chapter 11: Electrical System DAN GER! EXTREME FIRE, SHOCK & EXPLOSION HAZARD! • To minimize the risks of fire and explosion, NEVER install knife switches or other arc- ing devices in the fuel compartments. • NEVER substitute automotive parts for marine parts. Electrical, ignition and fuel sys- tem parts were designed and manufactured to comply with rules and regulations that minimize risks of fire and explosion.
490 Motoryacht • Owner’s Manual Chapter 11: Electrical System 12-Volt DC System Batteries • The batteries supply electricity for lights, 12-Volt accessories, and engine and generator starting. • The Electrical section of Chapter 8, in the Cruiser & Yacht Owner’s Manual Supplement, provides battery care and maintenance instructions.
Chapter 11: Electrical System 490 Motoryacht • Owner’s Manual Battery Switch CAUTION! • The parallel switch should be turned on only in emergencies. • Never disconnect the battery cables or turn off the main battery switches while engines are running as this can cause damage to your boat’s electrical components •...
490 Motoryacht • Owner’s Manual Chapter 11: Electrical System Alternating Current (AC) System CAUTION! WATER HEATER DAMAGE HAZARD! • DO NOT turn On the water heater AC panel electrical circuit until the water heater tank is COMPLETELY filled with water.
Chapter 11: Electrical System 490 Motoryacht • Owner’s Manual Shore Power DANGER! FIRE, EXPLOSION & SHOCK HAZARD! • DO NOT alter shore power connectors and use only compatible connectors. • Before plugging in or unplugging the shore power cord to your boat, make sure all breakers and switches on the AC master panel are turned Off.
490 Motoryacht • Owner’s Manual Chapter 11: Electrical System Connecting To Shore Power TYPICAL SHORE POWER INLET SHORE POWER INLETS Review all hazard information at the beginning of this section, Shore Power. Turn Off all breakers and switches on the AC master panel.
Chapter 11: Electrical System 490 Motoryacht • Owner’s Manual Inverter Power (If Equipped) • The inverter allows the batteries to supply AC power to some accessories when your yacht is not connected to shore power. • Primary control is from the Inverter Remote Control Panel and redundant controls are on the inverter itself.
490 Motoryacht • Owner’s Manual Chapter 11: Electrical System Note the following about the generator: • Polarity has been established in the installation of the generator(s), therefore the polarity lights will not func- tion in this mode. • Fuel to run the main generator is supplied from the port fuel tank.
Chapter 11: Electrical System 490 Motoryacht • Owner’s Manual Electrical Routings Alternating Current Electrical Harness V-BERTH AIR CONDITIONER PILOT HOUSE AIR CONDITIONER ALTERNATING CURRENT PANEL SALON AIR CONDITIONER MICROWAVE WATER HEATER REFRIGERATOR AIR CONDITIONER PUMP BATTERY CHARGER...
490 Motoryacht • Owner’s Manual Chapter 11: Electrical System Direct Current Electrical Harness FORWARD HEAD FORWARD & MID HEAD BILGE PUMPS PANEL REFRIGERATOR STARBOARD PORT FUEL TANK FUEL TANK STARBOARD PORT ENGINE ENGINE BATTERY MACERATOR CHARGER AFT BILGE PUMPS BATTERY...
490 Motoryacht • Owner’s Manual Impor tant Records Selling Dealer Plumbing Name Of Dealership Fresh Water Tank Capacity Waste Holding Tank Capacity Address Key Numbers Phone/FAX/E-mail Cabin Ignition Sales Manager Other Other Service Manager Electronics Engines Manufacturer Model Name/Number Manufacturer...
490 Motoryacht • Owner’s Manual Float Plan Before going boating, fill out a copy of this float plan (or similar) and leave it with a reliable person whom you can depend on to contact the Coast Guard or other rescue organization, if you do not return as scheduled.
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490 Motoryacht • Owner’s Manual Float Plan Survival Equipment Trip Expectations Number of PFDs Flares (Yes/No) Mirror (yes or no) Departing From Smoke Signals (Yes/No) Flashlight (Yes/No) Food (Yes/No) Departure Date Departure Time Water (Yes/No) Anchor (Yes/No) Raft/Dinghy (Yes/No) Stopover 1...
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