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Chapter 12: Electrical System

Direct Current Hull Electrical System

FIRE EXTINGUISHER

(IF EQUIPPED)

OIL CHANGE PUMP

(IF EQUIPPED)

FUEL SENDER

FORWARD BILGE PUMP
& FLOAT SWITCH

WATER PUMP

FORWARD MID BILGE
PUMP & FLOAT SWITCH

AFT MID BILGE PUMP
& FLOAT SWITCH

AFT BILGE PUMP

& FLOAT SWITCH

BLOWER MOTOR

MACERATOR
(IF EQUIPPED)

FUEL TRANSFER
PUMP

FUEL SENDER

WATER HEATER

VACUFLUSH PUMP

BLOWER MOTOR

Summary of Contents for 3700 SY

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Page 3: ...ccuracy Maxum assumes no liability resulting from errors or omissions in this document or from the use of information contained herein Due to our commitment to product improvement Maxum reserves the r...

Page 4: ...hapter 3 Propulsion Related Systems 22 Engines 22 Engine Cooling System 23 Exhaust System 24 Engine Room Ventilation System 25 Fuel System 26 Fuel Fills Vents 26 Anti siphon Valve Gas Engines Only 27...

Page 5: ...ckside Television Telephone Inlet 50 Chapter 9 Convertible Seats Beds Tables 50 Dinette Berth Conversion 51 Chapter 10 Lights 51 Care and Maintenance 51 Interior Exterior Lights 51 Spotlight If Equipp...

Page 6: ...lerts you to hazards or unsafe practices which COULD result in severe personal injury or death if the warning is ignored WARNING This box alerts you to hazards or unsafe practices which COULD result i...

Page 7: ...ruiser Yacht Owner s Manual and all engine and accessory literature carefully Keep this Owner s Manual Supplement the Cruiser Yacht Owner s Manual and all owner s packet literature on your yacht in a...

Page 8: ...local boat club can advise you of local sea schools or competent instructors Engine Accessory Guidelines Your yacht s engines and accessories were selected to provide optimum performance and service I...

Page 9: ...NG 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 occupy ing t...

Page 10: ...at affect the rate at which the zincs deteriorate including Water temperature Salinity Water pollution Stray electrical current from the yacht or dock may cause complete deterioration in just a few we...

Page 11: ...yacht always position the lifting slings at the port and star board lifting sling label positions as shown in the illustration on the right PERSONAL INJURY and or PRODUCT OR PROPERTY DAMAGE HAZARD Lif...

Page 12: ...thing CO blocks the ability of your blood to carry oxygen The effects are cumulative even low levels of exposure can result in injury or death Factors That Increase the Effects of CO Poisoning Age Smo...

Page 13: ...esent without the smell of exhaust fumes if exhaust fumes are detected on the yacht take immediate action to dissipate these fumes Treat symptoms of seasickness as possible CO poisoning Get the person...

Page 14: ...Inspect each water pump impeller and the water pump housing Replace if worn Make sure cooling systems are in working condition Inspect all metal exhaust parts for cracking rusting leaking or loosenin...

Page 15: ...S Coast Guard Auxiliary 1 800 368 5647 or on the Internet at http www cgaux org U S Power Squadrons 1 888 FOR USPS 1 888 367 8777 or on the Internet at http www usps org United States Coast Guard Off...

Page 16: ...ONDITIONER PAN DRAIN WATER HEATER DRAIN GALLEY SINK DRAIN AFT ENGINE ROOM BILGE COCKPIT SINK DRAIN STARBOARD HULLSIDE ROPE LOCKER DRAIN PORTLIGHTS GENERATOR EXHAUST IF EQUIPPED WATER TANK VENT COCKPIT...

Page 17: ...CLEAT ANCHOR LOCKER ANCHOR ROLLER CLEAT CLEAT CLEAT FUEL FILL DECK FITTING CLEAT GRAB RAILS FUEL FILL DECK FITTING SPOTLIGHT HORN BOARDING LADDER TRANSOM SHOWER CLEAT ALL AROUND LIGHT WASTE PUMP OUT D...

Page 18: ...OIL PRESSURE GAUGE VOLTMETER TEMPERATURE GAUGE HOURMETER GAUGE TACHOMETER SYNCHROMETER OIL PRESSURE GAUGE VOLTMETER TEMPERATURE GAUGE HOURMETER GAUGE TACHOMETER CUPHOLDERS ACCESSORY SWITCH PANEL SWIT...

Page 19: ...the dash Air Conditioner Seawater Intake Seacock Located in the aft berth Access is through the forward storage locker under the mattress Forward Air Conditioner Unit Located in the forward storage l...

Page 20: ...shion Batteries Located in the engine room Access is through the cockpit floor hatch Battery Charger Located in the engine room Access is through the cockpit floor hatch Battery Switches Located insid...

Page 21: ...Mid Aft Located in the engine room forward of the ladder Access the engine room through the cockpit floor hatch Bilge Pump and Float Switch Mid Forward Located in the forward storage locker under the...

Page 22: ...Chapter 2 Locations 16 Aft Cabin on the port entry wall V berth on the starboard aft wall DC Circuit Breakers Located on the ac panel in the electrical cabinet CO MONITOR CO MONITOR ELECTRICAL CABINET...

Page 23: ...berth mattress Engine Circuit Breaker Located on each engine Engine Cooling System Seawater Intake Seacocks Located in the engine room forward of each engine Access to the engine room is through the c...

Page 24: ...ocations 18 Freshwater Fill Located on the port side deck trail Freshwater Tank Located behind the cabin entry steps Access is through the hatch on the for ward wall of the aft berth FRESHWATER FILL A...

Page 25: ...ngine room through the cockpit floor hatch Generator Located in the engine room Access the engine room through the cockpit floor hatch Generator Seawater Pickup Seacock Located in the engine room forw...

Page 26: ...Seacock If Equipped Located in the aft berth under the starboard forward lounge cushion Sump Pump Box Located in the aft storage locker under the aft berth mattress Waste Holding Tank Located in the...

Page 27: ...Locations 21 Water Heater Located in the cabin floor hatch Water Pump Located in the cabin floor hatch Water Pump Switch Located on the ac panel in the electrical cabinet CABIN FLOOR HATCH ELECTRICAL...

Page 28: ...cks are Open before starting the engines and keep the seacocks Open while the engines are running The cooling sys tem s seawater strainers should be checked for leaks and debris every time you use you...

Page 29: ...gas CO Check all exhaust systems before each trip Look for leaks in the exhaust systems of the propulsion engines and the generator Look for discoloration water leaks carbon or stains around all joint...

Page 30: ...blowers until your yacht has reached cruis ing speed Always run the blowers when operating the yacht below cruis ing speed FIRE EXPLOSION HAZARD Use of the blower system is NOT A GUARANTEE that explo...

Page 31: ...r s Manual and the fuel recommenda tions in the engine operation manual must be followed WARNING Avoid the storage or handling of gear near the fuel lines fittings and tank CAUTION Air in the diesel s...

Page 32: ...fuel feed line attaches to the fuel tank The valve is spring loaded and is opened by fuel pump vacuum This valve will prevent fuel from siphoning from the tank in the event of a fuel line rupture GAS...

Page 33: ...t fungus or other buildup in your fuel tank Fuel Water Separator Filters Diesel Engines Only Each fuel feed line features a fuel water separator filter The fuel water separator filters are mounted on...

Page 34: ...sion system s instruction and mainte nance manual and follow all warnings Observe the following The system will go off automatically whenever direct heat from a fire is detected in the engine compartm...

Page 35: ...ing the engine and prop shaft To insure proper alignment after a haul out or dry storage wait 48 hours after launching before final alignment adjustments by a marine mechanic are made Shaft Log Packle...

Page 36: ...l aid you in maintaining the chosen course of your yacht HYDRAULIC STEERING CYLINDER RUDDER ARM RUDDER TIE BAR AUTOPILOT IF EQUIPPED RUDDER ARM Never leave the helm while the autopilot system is On A...

Page 37: ...t a time to level the yacht Perform trim tab adjustment with several short touches to the switch rather than one long one After each short touch allow several seconds for the hull to react The trim ta...

Page 38: ...s This will not damage these gauges Twin Engine Readings It is normal for tachometers and other gauges to have slightly different readings between engines Fuel Gauge It is normal for the pointers on y...

Page 39: ...sage Compass accuracy can be affected by many factors Have a qualified technician calibrate your compass Make sure the technician gives you a deviation card which shows the corrections to apply in nav...

Page 40: ...collision situations No single navigation aid including this radar should be relied upon as the only method for navigating your yacht WARNING he radar system is only an aid to navigation It s accurac...

Page 41: ...the bilge pumps are wired directly to the battery they should work even when the yacht is shut down and left unattended Discharge of oil oil waste or fuel into navigable waters is prohibited by law V...

Page 42: ...cartridge 1 Align the tabs and slots and press firmly until the tabs click into place 2 Make sure that the power cartridge is locked into place Autofloat Switches The automatic bilge pumps use float a...

Page 43: ...remain closed until the strainer is completely reassembled 3 Take apart the seawater strainer 4 Remove the debris 5 Flush the strainer with water 6 Reassemble the seawater strainer 7 Open the seacock...

Page 44: ...hrough the cabin floor hatch 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 i...

Page 45: ...ean the water filter often located on the water pump When your yacht is to be left unattended for long periods of time pump the water tank dry to prevent stored water from becoming stagnant and distas...

Page 46: ...away from the water pump 3 Place the air nozzle against the end of the just removed water line and blow air through the system 4 When water stops coming out of the Open fau cet stop the air and Close...

Page 47: ...in WARNING 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 Even momentary operation in a dry t...

Page 48: ...in the Cruiser Yacht Owner s Manual Supplement When the yacht is con nected to a dockside water supply the fresh water system is pressur ized You do not need to turn On the water pump s DC breaker loc...

Page 49: ...overboard Sump Box Cleaning Periodically clean the sump box A filter and pump as follows 1 Remove the cover screws B and the cover C 2 Remove any debris from the box and the filter 3 Clean the sump pu...

Page 50: ...tank at every opportunity Winterizing The Marine Head 1 Shut Off the intake seacock and pump the head until the bowl is dry 2 Remove the drain plug in the base and pump again to remove all of the wat...

Page 51: ...m uses a vacuum pump and freshwater from the water tank to flush waste from the toilet into the hold ing tank The holding tank is plumbed to a waste fit ting on the deck for dockside pump out For wint...

Page 52: ...tches at the same time to run the pump Do not continue run ning the macerator if the waste holding tank is empty 3 Close the underwater discharge seacock when you are done pumping Check with local aut...

Page 53: ...olled from a switch at the helm or from the deck foot switches Make sure that the windlass breaker is turned On before using the anchor windlass To haul the anchor use engine power not the windlass to...

Page 54: ...Equipment Always keep an approved ABC type fire extinguisher in galley area NOTICE BURN SCALDING and or FIRE HAZARD Read the stove s instruction manual before using Always keep an approved ABC type fi...

Page 55: ...hapter 8 Appliances Entertainment Systems 49 Dockside Television Telephone Inlet Plug a dockside source into the TV telephone inlet if you want to watch cable TV or use a telephone CABLE TV PHONE INLE...

Page 56: ...le can be removed and the dinette area can be converted into a berth 1 Remove the seat cushions A 2 Grab the handle B on the seat base C and pull the seat base out 3 Place the aft filler cushions D un...

Page 57: ...tive electrical lubricant Interior Exterior Lights The lights are powered by the yacht s 12 volt DC system The battery switch must be in the On position for the lights to work There are On Off light s...

Page 58: ...air conditioning system If the strainer needs to be cleaned out follow the directions given in the Seawater Systems section of this manual CARBON MONOXIDE POISONING HAZARD Dangerous carbon monoxide ga...

Page 59: ...er than air and will collect in the bilge areas where they can be accidently ignited Visually and by smell sniff test check the engine and fuel compartments for fumes or accumulation of fuel ALWAYS ru...

Page 60: ...omatic bilge pumps and the stereo memory are not affected by the battery switch since they are wired directly to the battery see the Wiring Diagrams in this Owner s Man ual for more details Fuses and...

Page 61: ...all appropriate sections of the bat tery charger manual or the inverter battery charger manual The battery switches do not need to be On when using the battery charger or the inverter battery charger...

Page 62: ...e for this model yacht 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 The tank is full if water flow...

Page 63: ...Y unplug the shore power cord ALWAYS from the dockside outlet first and alert marina management WARNING SHOCK ELECTRICAL SYSTEM DAMAGE HAZARD Before each use check the shore power cord s for defects o...

Page 64: ...and switches on the AC master panel 3 Attach the shore power cord to the yacht inlet first then to the dockside outlet 4 Switch the SHORE POWER 1 master breaker On 5 If equipped with dual dockside sw...

Page 65: ...he generator exhaust system for leaks before each use DANGER FIRE EXPLOSION HAZARD Use the bilge blowers for a minimum of four minutes before starting the generator Leave the blowers on while the gene...

Page 66: ...reak in procedures Generator Use 1 Run the bilge blowers for a minimum of four minutes before starting the generator If your yacht is running below cruising speed leave the blowers on while the genera...

Page 67: ...DERSIDE OF DECK WINCH CONTROLS STARBOARD NAVIGATION LIGHT PORT NAVIGATION LIGHT READING LIGHTS OVERHEAD LIGHTS STEREO WIPER WIPER GALLEY TO DASH COURTESY LIGHT BATTERY SWITCH TELEPHONE TV BOX COURTESY...

Page 68: ...UIPPED OIL CHANGE PUMP IF EQUIPPED FUEL SENDER FORWARD BILGE PUMP FLOAT SWITCH WATER PUMP FORWARD MID BILGE PUMP FLOAT SWITCH AFT MID BILGE PUMP FLOAT SWITCH AFT BILGE PUMP FLOAT SWITCH BLOWER MOTOR M...

Page 69: ...Chapter 12 Electrical System 63 Radar Wing Harness NAVIGATION LIGHT RADAR SPEAKER SPEAKER IF EQUIPPED GPS IF EQUIPPED TO DECK HARNESS HORN LIGHT LIGHT ANTENNA...

Page 70: ...Chapter 12 Electrical System 64 Wiring Diagrams Diesel Engine Harness...

Page 71: ...Chapter 12 Electrical System 65 Auxiliary Electrical Harness...

Page 72: ...Chapter 12 Electrical System 66 Direct Current Electrical Harness...

Page 73: ...Chapter 12 Electrical System 67 Alternating Current Electrical Harness...

Page 74: ...Manufacturer Model Name Number Serial Number Oil Type SAE Quarts Filter Type Fuel System Fuel Capacity Filter Type Plumbing Fresh Water Tank Capacity Waste Holding Tank Capacity Key Numbers Cabin Ign...

Page 75: ...Fuel Capacity Engine Type Number of Engines Distinguishing Features Distinguishing Features Operator of Boat Full Name Male or Female Age Health Address Address Phone FAX E mail Operator s Experience...

Page 76: ...Arrive No Later Than Date Arrive No Later Than Time Stopover 2 Arrive No Later Than Date Arrive No Later Than Time Stopover 3 Arrive No Later Than Date Arrive No Later Than Time Stopover 4 Arrive No L...

Page 77: ...Owner s Notes...

Page 78: ...Owner s Notes...

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