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Hunter H31 Operator's Manual

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Operator's
Operator's
Manual
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H31
H31
V1.031507 • P/N 1031379

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Summary of Contents for Hunter H31

  • Page 1 Operator's Operator's Manual Manual V1.031507 • P/N 1031379...
  • Page 3 Hunter's Customer Satisfaction program (CSS), our effort to insure the highest level of satisfaction and enjoyment with your new Hunter. Within a few weeks of delivery you will receive a letter asking you to complete an online questionnaire primarily about your experience with the dealer. Several months later you will receive a second letter asking you to evaluate the boat.
  • Page 4 Performance, dependability, safety, and comfort is more than just a catchy phrase at Hunter. It is the basis for every step of design and construction to assure you of many pleasure-filled years of boating.

  • Page 5: Introduction 1.2

    Hunter 31 • Operator's Manual Operator’s Manual at a Glance 1. Introduction 1. Introduction 2. Documents and Forms 2. Documents and Forms 3. Warranty 3. Warranty 4. Boating Safety 4. Boating Safety 5. Fuel System 5. Fuel System 6. Underwater Gear 6.
  • Page 6 Hunter 31 • Operator's Manual How do I prevent Carbon Monoxide buildup? ..... pg.4.6 How do I fuel my boat? ..

  • Page 7: Table Of Contents

    Hunter 31 • Operator's Manual Table of Contents 5.2 Fuel Supply Lines and Hoses 1. Introduction 1.1 The Manual Packet 5.3 Fuel Valves 1.2 Your Responsibilities 5.4 Fuel Filters 1.3 Dealers Responsibilities Fuel Filter Reference 1.4 Sources of Information 5.5 LPG 1.5 Equipment Manufacturer Manuals...
  • Page 8 Hunter 31 • Operator's Manual 13.5 Emergency Operations 13.6 10. Sanitary Systems 10.1 10.1 Drains and Discharges 10.2 10.2 Pumps 10.3 14. Maintenance 14.1 10.3 Other Waste Related 10.4 14.1 Maintenance Materials 14.2 10.4 Head System 10.5 14.2 Exterior 14.2 10.5 Operations and Maintenance...

  • Page 9: Introduction

    Chapter 1 Chapter 1 Introduction Introduction V1.031507 • P/N 1031379...

  • Page 10: The Manual Packet

    Hunter 31 • Introduction Understand and follow the rules of the road; 1.1 The Manual Packet • Learn how to navigate a boat in all sea, and weather This operator’s manual, along with your owner's packet, conditions; has been compiled to help you to operate your boat with safety and pleasure.

  • Page 11: Dealers Responsibilities

    An orientation in the general operation and mechanical systems of your boat; Fig. 1.1 Design Categories An explanation of the Hunter CSI Program and Hot Alert Sea and wind conditions for which a boat is process for same. assessed by the International Standard to be...

  • Page 12: Equipment Manufacturer Manuals

    Warranty registration cards are in your Operator’s Practices of the ABYC, American Boat and Safety Council. packet. We at Hunter participate extensively in the ABYC, which is all non-profit, and develops and publishes voluntary stan- Locate and read the individual warranties; put them dards and recommended practices for boat and equipment together for easy, future reference.

  • Page 13: Service Parts And Repair

    If a problem arises that has not been resolved to your satisfaction by your dealer, contact Hunter at 800-771- 5556, and the appropriate customer service department information will be provided to you.
  • Page 14 Hunter 31 • Introduction Notes:...

  • Page 15: Forms

    Chapter 2 Chapter 2 Documents Documents Forms Forms V1.031507 • P/N 1031379...
  • Page 16 Coast Guard Boating Safety Hotline at 1-800-368-5674. of your boat. It is the dealer’s responsibility to both you and to Hunter to give your boat a final inspection. The You must file this report with the U.S. Coast Guard within...
  • Page 17 ERED A COMPLETE SERVICE MANUAL OR THE ONLY ITEMS ON YOUR BOAT IN NEED OF ROUTINE MAINTE- NANCE, INSPECTION OR ATTENTION. You will find that we address commonly found optional equipment items installed on Hunter boats, as well as most standard equipment from Hunter Marine. Owner’s need to familiarize themselves with individual equipment manuals on all such items, especially aftermarket purchases or optional equipment installed by your dealer or Hunter Marine.

  • Page 18: Out Of Water Inspection

    Hunter 31 • Documents and Forms Preliminary care and maintenance checklist A qualified Technician should be used if you are not completely confident in your ability to make repairs or inspections. Out of Water Inspection Pre-launch inspection ____ Sacrifi cial zinc anodes installed...

  • Page 19: Fuel System

    Hunter 31 • Documents and Forms Anchor System and Ground Tackle ____ Anchor windlass inspected per manufacturers recommendation ____ Anchor secured in bow roller assembly ____ Spare anchor onboard and accessible. ____ See Chapman’s Manual for recommendations on anchors, anchor lines and drogues ____ Anchor line pays out and retrieves into anchor locker without diffi...

  • Page 20: Fresh Water Systems

    Hunter 31 • Documents and Forms ____ Smoke detectors operational ____ CO detectors operational (one per cabin recommended) ____ Engine & generator room blower operational ____ Auto fi re suppression system operational (engine compartment) ____ Shore power cord and adapter plug operational.

  • Page 21: In Water Inspection

    Hunter 31 • Documents and Forms ____ Rubrail sealed secured to hull ____ Sliding hatches drains free of debris ____ Companionway drop-ins fi t properly in companionway and stowage rack ____ Load bearing hardware securely fastened. This includes but is not limited to chainplates, winches and handrails ____ Traveler arch securely fastened.

  • Page 22: Pre-Departure Checklist

    Hunter 31 • Documents and Forms ____ Alternator DC output at rated rpm (per engine manual) ____ Correct Idle rpm (per engine manual) ____ Water discharged with exhaust ____ Hour meter operational ____ Fuel level indicators operational ____ Throttle cable tension set properly...

  • Page 23: After Sailing Checklist

    After Sailing Checklist When leaving your Hunter at the dock for more than a short time, it is a good idea to review the following checklist to make sure everything is in order. This will help protect the various parts of your boat and add considerably to their attractiveness and usable life.

  • Page 24: Pre-Delivery Service Record

    Hunter 31 • Documents and Forms Pre-delivery Service Record Fig. 2.1 DEALER: _____________________________ ENGINE:_________________________________ MAKE:_______________________________ OWNER: ________________________________ PORT ENGINE NO: ____________________ STBD. ENGINE NO: _______________________ BOAT A A NAME:__________________________REGISTRY R R NO:_________________________ ___ OPERATION___________INITIALS________ OPERATION____________ INITIALS_________ BEFORE STARTING BEFORE LAUNCHING ENGINES 23.

  • Page 25: Float Plan

    Hunter 31 • Documents and Forms Float Plan Name of Operator____________________________________________________Age____________________ Address____________________________________________________________________________________ Phone______________________________________________________________________________________ Boat Make ________________________________ Model__________________________________ Length _______________________ Hull Color_________________Deck Color___________________________ Registration No._____________________________Home Port________________________________________ Radio frequencies____________________________________________________________________________ Equipment on Board, PFDs, Flares, Anchor ______________________________________________________ ___________________________________________________________________________________________ Fuel Capacity ______________________________ Water Capacity____________________________________...

  • Page 26: Maintenance Log

    Hunter 31 • Documents and Forms Maintenance Log Date Maintenance Performed Hourmeter 2.12...
  • Page 27 Hunter 31 • Documents and Forms Maintenance Log Date Maintenance Performed Hourmeter 2.13...
  • Page 28 Hunter 31 • Documents and Forms (Several copies may be required to complete each of the following categories) Chapman’s Piloting recommended operating techniques, maintenance inspections and safety points for my particular boat length and type of sailing 2.14...
  • Page 29 Hunter 31 • Documents and Forms Recommendations made by manufacturers of original equipment for proper main- tenance and up-keep 2.15...
  • Page 30 Hunter 31 • Documents and Forms Power Squadron recommendations for maintenance and safe boating 2.16...
  • Page 31 Hunter 31 • Documents and Forms Local sailing club or marina’s recommendations for maintenance and up-keep 2.17...
  • Page 32 Hunter 31 • Documents and Forms List of onboard safety equipment and location (A copy should be posted onboard at all times) 2.18...
  • Page 33 Hunter 31 • Documents and Forms Spare Parts List 2.19...
  • Page 34 Hunter 31 • Documents and Forms Dates of practice drills and onboard safety inspections 2.20...
  • Page 35 Hunter 31 • Documents and Forms My personal preferences for maintenance items & safety gear 2.21...
  • Page 36 Hunter 31 • Documents and Forms Notes: 2.22...

  • Page 37: Warranty

    Chapter 3 Chapter 3 Warranty Warranty V1.031507 • P/N 1031379...
  • Page 38 Hunter • Warranty This Page Intentionally Left Blank...
  • Page 39 Hunter Marine warrants to the first-use purchaser and any subsequent owner during the limited warranty period that any part manufactured by Hunter will be free of defects caused by faulty work- manship or materials for a period of twelve (12) months from the date of delivery to the first-use pur- chaser under normal use and service.
  • Page 40 The labor cost reimbursement will be based on the Labor Allowance Schedule established by Hunter from time to time, however if the repair is performed by a non-Hunter dealer, the repair cost must be authorized by Hunter in advance and be based on a reasonable number of hours as determined by Hunter.

  • Page 41: Restrictions To Warranties

    The following circumstances will void the bottom blister limited warranty: (1) If the gel-coat has been sanded, sandblasted, or subjected to abrasion or impact. (2) If the instructions provided in the Hunter Owner’s Manual are not followed according to Hunter’s required bottom preparation procedures.
  • Page 42 Hunter • Warranty OWNER INFORMATION CARD HULL IDENTIFICATION NUMBER IS ON THE STARBOARD AFT SIDE OF THE HULL OR TRANSOM. THIS NUMBER MUST BE GIVEN IN ALL NECESSARY CORRESPONDENCE. HULL NO. DATE DELIVERED TO OWNER YACHT NAME OWNER NAME STREET ADDRESS...

  • Page 43: Warranty Registration

    All repairs and/or replacements will be made by an authorized Hunter dealer, or at the option of Hunter, at the Hunter plant. If the repairs are of such a nature that the warranty work must be performed at the HUNTER plant, transportation costs to and from the HUNTER plant shall be paid by the owner.

  • Page 44: Sample Form Letter

    Dear Mr. Smith, Thank you for providing written notice of transfer of ownership. We are pleased you have selected a Hunter sailboat and we will make every effort to assure Hunter ownership will be a satisfying experience for you. Based on the information you have provided, we are pleased to notify you of the expiration dates of the limited warranties.

  • Page 45: Boating Safety

    Chapter 4 Chapter 4 Boating Boating Safety Safety V1.031507 • P/N 1031379...

  • Page 46: Safety

    Hunter 31 • Boating Safety As you read your owner’s manual, please note hazard 4.1 Safety warnings which alert you to safety and precautions and unsafe conditions or operating procedures. We have Boating safety and the safety of your passengers are included these warnings because we are concerned your responsibility.
  • Page 47 Hunter 31 • Boating Safety • Keep an eye on the weather. Be aware of possible are allowed time to make correction without prosecution. changing conditions by checking a local weather report Check with the appropriate state agency or the Coast before your departure.

  • Page 48: Carbon Monoxide Hazard

    Hunter 31 • Boating Safety • Anchor and line * to place themselves in a vertical or face-up position in • Boat hook the water. Type III PFD has the same minimum buoy- • Bucket & Sponge ancy as a Type II PFD. It has little or no turning ability.
  • Page 49 Hunter 31 • Boating Safety diffuses in the air much more rapidly than other gasses Dizziness that are detectable by the human senses. The weight of Vomiting CO is about the same as air so it does not rise or fall like Collapse other gasses but will distribute itself throughout the boat.
  • Page 50 Hunter 31 • Boating Safety • As always, you can contact the Red Cross to obtain before starting the engines or generator. information for training in CPR or emergency response care. Next, start each engine and generator one at a time.

  • Page 51: Know The Dangers

    Hunter 31 • Boating Safety Know the Dangers! Know the Dangers! Swimming near or under the back deck or swim platform. Carbon monoxide from exhaust pipes of inboard engines, outboard engines and generators build up inside and outside the boat in areas near exhaust vents.
  • Page 52 Hunter 31 • Boating Safety Figure 4.3. Blocked hull exhaust outlets near a pier, dock, seawall, bulkhead or any other structure can cause excessive accumulation of Carbon Monoxide gas with the cabin areas of your boat. Be cer- tain hull exhaust outlets are not blocked in any way.
  • Page 53 Hunter 31 • Boating Safety “A working smoke alarm can save lives. It’s that simple (range, oven, fireplace, etc.) can build up high CO lev- and that important,” els. CAUTION If you would like to purchase additional CO detectors and receive a special purchase price, please con-...

  • Page 54: Other Dangers

    Hunter 31 • Boating Safety Write the number here __________________________ mercial or industrial standards. Individuals with medical problems may consider using warning devices which pro- Where to Install Alarms: vide audible and visual signals for levels under 30 PPM. •...
  • Page 55 Hunter 31 • Boating Safety You can judge the likelihood of fog formation by peri- odically measuring the air temperature and the dew point Prepare to help the other craft unless your boat or its pas- temperature. If the difference between these two tem- sengers are in danger.

  • Page 56: Fire

    Hunter 31 • Boating Safety blower immediately. Do not open the hatch to the engine 4.3.9 Hypothermia compartment. The fire will flare up as the fresh air supply increases suddenly. If a person falls overboard, hypothermia may be an immediate concern. Hypothermia means a person’s body Keep the fire downwind if possible.
  • Page 57 Hunter 31 • Boating Safety nic and non-pyrotechnic equipment must be U.S. Coast Light Color Visible Guard approved. Range Masthead Pyrotechnic U.S. Coast Guard approved visual distress Light signals and associated equipment include: Red flares, Starboard 112.5 handheld or aerial Orange smoke, hand held or floating Port 112.5...
  • Page 58 Hunter 31 • Boating Safety One Prolonged Blast Warning Signal One Short Blast Pass on my port side Two Short Blasts Pass on my starboard side Three Short Blasts Engines in Reverse Five or More Blasts Danger Signal Table 1 Lighting Requirements...
  • Page 59 Hunter 31 • Boating Safety DA NGER Lightning Storm Warning All whip antennas should be tied during the storm, unless they are part of the Lightning Protection System. Precautions during lightning storms: * Occupants should take shelter inside a closed area of the boat, i.e. below deck!

  • Page 60: Interior Arrangement

    Hunter 31 • Boating Safety Interior Arrangement Fwd Bunk Hanging Locker Settee Galley Sink Nav Center Refrigerator Shower Stove Toilet Microwave Sink Hanging Locker Steps Aft Bunk Engine Compartment 4.16...

  • Page 61: General Boat Arrangements

    Hunter 31 • Boating Safety General Boat Arrangements Mast Mainsail ForeStay Boom Cockpit Area Bow Rail Arch Helm Sternrail Pulpit Transom Hull Rudder Keel 4.17...
  • Page 62 Hunter 31 • Boating Safety H33 Dimensions, Capacities, Etc. HULL LENGTH 29' 11 3/4" 9.13 m. LENGTH OVERALL (INCUDES BOW ROLLER) 30' 4 3/4" 9.26m. LENGTH OF WATERLINE (LWL) 28' 01" 8.55 m. BEAM (MAX)(without rubrail) 10' 8 3/4" 3.27 m.
  • Page 64 Hunter 31 • Boating Safety This Page Intentionally Left Blank 4.20...

  • Page 65: Fuel System

    Chapter 5 Chapter 5 Fuel Fuel Systems Systems V1.031507 • P/N 1031379...

  • Page 66: Fuel Safety Checklist

    If no signs of fuel are present, board your guests and crew. Run exhaust blowers for five minutes before starting the engines or generator. Always be aware of the hazards associated with fuel and practice good common sense. "HAPPY AND SAFE BOATING” from the Hunter Team...

  • Page 67: Fuels Tanks

    Hunter 31 • Fuel Systems Fuel Systems The fuel systems aboard your Hunter boat consists of the following components or sub-systems. • Fuel Tank • Fuel Fill • Fuel Vent • Fuel • Lines • Fuel Filters • LPG (Liquefied Petroleum Gas) System 5.1 Fuel Tanks...

  • Page 68: Fuel Supply Lines And Hoses

    Hunter 31 • Fuel Systems 5.2 Fuel Supply Lines and Hoses Fuel leaking from any part of the fuel system can If any fuel fill or vent hose's are in need of replacement, lead to fire and explosion that can cause serious ensure that only USCG Type A1 or A2 are used.

  • Page 69: Fuel Filters

    Hunter 31 • Fuel Systems these fittings without properly bleeding the system of fuel could for the Racor Fuel Water separator (commonly referred result in emptying the fuel filters and causing a fuel spill. Only to as the fuel filter). This will break down the components a qualified technician should ever make repairs to your fuel of the filter and their uses within the filter.

  • Page 70: Lpg

    Hunter 31 • Fuel Systems • After fueling is complete, open all hatches, doors, and compartments. • Visually check all fuel fittings, lines, and tanks for fuel Fuel leaking from any part of the fuel system can leakage. lead to fire and explosion that can cause serious bodily injury or death.
  • Page 71 Hunter 31 • Fuel Systems A Quick Fuel Filter Reference Fig. 5.6...
  • Page 72 Hunter 31 • Fuel Systems Cold burns (frostbite) will result from skin/eye contact with liquid from the tanks. 5.5.4 Accidental Release Measures Liquid release or vapor pressure jets present a risk of As these substances have a very low flash point, any serious damage to the eyes.
  • Page 73 Hunter 31 • Fuel Systems When handling cylinders (above head height) protective with liquid occurs. headgear may be necessary. Fig. 5.8 Exposure Limits When changing tanks, wear suitable gloves and safety goggles or face shields. Long Term Exposure Short Term Exposure...
  • Page 74 If the manuals are not available in your owner’s packet, contact Hunter Marine, or your dealer. It is the ultimate in importance that you under- stand all you should about the equipment on your boat.

  • Page 75: Troubleshooting

    Hunter 31 • Fuel Systems Troubleshooting Problem Cause Solution Fuel overfl ows at the fi ll plate Fill or vent line blocked Check lines. Clear obstruction from (tank not full) line or straighten line if kinked. Water or moisture in fuel tank Cap on deck fuel fi...
  • Page 76 Hunter 31 • Fuel Systems Notes: 5.12...

  • Page 79: Underwater Gear

    Chapter 6 Chapter 6 Underwater Underwater Gear Gear V1.031507 • P/N 1031379...
  • Page 80 Hunter 31 • Underwater Gear This Page Intentionally Left Blank...

  • Page 81: Mechanical Propulsion Components

    Hunter 31 • Underwater Gear at a higher than recommended RPM. Your engine Underwater Gear manual will specify the maximum recommended RPM. Your underwater Gear consists of the following: To maintain rated power, propellers should be free of nicks, excessive pitting and any distortions that alter them •...

  • Page 82: Steering Components

    Hunter 31 • Underwater Gear 6.1.4 Struts 6.2 Steering Components Each propeller shaft is supported by manganese bronze struts fastened to the bottom of the hull. The struts have replaceable bearings to minimize wear and to protect the shaft at the points where it passes through the strut Keep clear of moving steering parts at all times.

  • Page 83: Seawater Intake

    Care should be taken that these intakes and skin fittings are cleaned of barnacles and other growth as specified Your Hunter rudder is constructed with a foam filled in the maintenance section of this manual to maintain a composite blade by hand lay-up connected to an internal clear, open passageway.
  • Page 84 Reassemble the unit and tighten the clutch by turning the handle clockwise. Note: Refer to your Owner’s / Operator’s Manual in your owner’s kit for detailed information about your windlass. 6.4.2 Anchor Your Hunter is equipped with a Danforth type anchor...

  • Page 85: Troubleshooting

    If the manuals are not available Fig. 6.9 in your owner’s packet, contact Hunter Marine, or your dealer. It is the ultimate in importance that you under- stand all you should about the equipment on your boat.
  • Page 86 Hunter 31 • Underwater Gear Thru Hulls Port and Starboard 1. ANCHORWELL DRAIN (2) 6. SUMP PUMP DISCHARGE 2. WATER TANK VENT 7. ENGINE EXHAUST 3. FUEL TANK VENT 8. LPG LOCKER DRAIN 4. BILGE PUMP DISCHARGE 9. WASTE EXTRACT 5.

  • Page 87: Troubleshooting

    Hunter 31 • Underwater Gear Troubleshooting Problem Possible Cause Resolution Excessive vibration Material obstructing propeller Remove material from propeller, shaft, or rudder by revering engines. If necessary, stop engines and cut or pull material away. Bent prop or shaft Replace propeller. If vibration con- tinues, see your dealer for service.
  • Page 89 Hunter 31 • Underwater Gear 6.11...

  • Page 91: Dc Electric

    Chapter 7 Chapter 7 DC Electric DC Electric Systems Systems V1.031507 • P/N 1031379...

  • Page 92: Dc Power Systems & Components

    Hunter 31 • DC Electric and the components that are powered by the DC electri- DC Electric Systems cal system and their operation. This section will provide you with the information necessary 7.2 Power Supply Equipment & to understand and operate your DC Electrical Systems.
  • Page 93 Hunter 31 • DC Electric Each battery bank is wired to a battery selector switch on the battery. located under the chart table. A circuit breaker “DC Main” on the battery switch panel connects the batteries to the Note: Batteries should always be removed and installed by trained, qualified persons to avoid all damages.
  • Page 94 Hunter 31 • DC Electric 7.2.3 Battery Charging System All electrical systems aboard your boat are provided with over-current protection in the form of breakers or fuses. Refer to the DC Wiring Diagram drawing at the end of Examples of breakers are the system or component con- this section for the location of the battery charger.
  • Page 95 Hunter 31 • DC Electric The power switch turns the monitor on, then These lights should always be on when motoring. select the tank you want to monitor. The gauge will show the amount remaining in the tank(s). The “steaming” light is the forward facing light mounted at the top of mast.
  • Page 96 Hunter 31 • DC Electric 7.3.4.1 Basic Refrigerator Operation 1. On standard battery charger model, turn on house battery selector switch (under chart table). 2. Turn on Main DC breaker at Battery Swtich Panel. 3. Set Thermostats to desired temperature.
  • Page 97 Hunter 31 • DC Electric illustration in the Boating Safety Section, or the Ventilation 4. Turn the macerator switch to the “on” position at the illustration in the same section. Nav Station. This is a momentary switch, you must hold the switch to operate.
  • Page 98 Hunter 31 • DC Electric Note: If windlass becomes inoperable electrically, a can also review the dangers of CO in the Boating Safety manual winch handle is supplied. Chapter of this manual. For more information about your windlass, refer to your Do not spray waxes or cleaning agents on the monitor.

  • Page 99: Troubleshooting

    Hunter 31 • DC Electric Troubleshooting Problem Cause Solution 12 volt equipment not working Battery selector switch turned off Check battery selector switches and ensure they are on Battery not charging with engine Check alternator, belt, etc. Change alternator, tighten belt...
  • Page 100 Hunter 31 • DC Electric Notes: 7.10...

  • Page 105: Ac Electric

    Chapter 8 Chapter 8 AC Electric AC Electric Systems Systems V1.031507 • P/N 1031379...

  • Page 106: Power Systems & Components

    Besides a 12 Volt DC negative ground system, your Never work on an energized circuit! Always treat Hunter boat has a 120V 60 HZ AC system. any circuit as if it were live! Always have trained, competent technicians to service your electrical...
  • Page 107 Hunter 31 • AC Electric Systems the boat receptacle to prevent accidental unplugging. On the boat: D. Turn on shore inlet breakers. E. Turn ON AC Main breaker on AC panel. AC panel should now operable. Figure 8.3 Note: Approximately 15 second delay on optional inverter models.
  • Page 108 Hunter 31 • AC Electric Systems DO NOT allow the dockside power cord to come in contact with the water. Never operate any power tool or other electrical equipment while you or the devices are in contact with the water, as this may cause electrocution resulting in shock or death.
  • Page 109 Hunter 31 • AC Electric Systems MDP. to be drained. 8.1.9 Inverter (Option) 8.1.10 Air Conditioner (Option) When in Invert Mode (Converts 12VDC to 120VAC) The Air Conditioning system is 120 volt (220 overseas) AC powered and powered from the AC Distribution 1.
  • Page 110 Hunter 31 • AC Electric Systems Important: Be sure to close air conditioner seacock when air conditioner is not in use. Refer to manual furnished with the air conditioning unit for more detailed information regarding its operation. The air conditioner is located under the settee. To gain...

  • Page 111: Troubleshooting

    Hunter 31 • AC Electric Systems Troubleshooting Problem Possible Cause Solution No AC power Main breaker(s) aft cabin Turn breaker on or reset tripped or off Shore power cord not con- Check cord, plug in if necessary nected Loose or disconnected wire Tighten connections.
  • Page 112 Hunter 31 • AC Electric Systems Notes:...
  • Page 114 Hunter 31 • AC Electric Systems Notes: 8.10...

  • Page 115: Water Systems

    Chapter 9 Chapter 9 Water Water Systems Systems V1.031507 • P/N 1031379...

  • Page 116: Water Tanks

    Hunter 31 • Water Systems The fresh and raw water systems consist of the following CAUT I ON components: Always ensure that when filling the fresh water tanks • Dockside Water Supply that you are filling through the fresh water fill. Other •...

  • Page 117: Pumps

    Hunter 31 • Water Systems Refill with potable water and purge the plumbing of all The fresh water washdown connection is located on the sanitizing solution. transom. Important: Operate the fresh water pumps only when there 9.2 Pumps is water in the tank. Running the pumps dry will damage the diaphragm.

  • Page 118: Pickups And Strainers

    Hunter 31 • Water Systems 9.3.3 A/C Pickup and Strainer (Air Conditioning 9.3 Pickups and Strainers Option) At the end of this section, you will find an illustration of the There are various pickups and strainers installed A/C cooling water arrangement. It is important to always aboard your boat.
  • Page 119 Hunter 31 • Water Systems NOTE: Refer to User’s manual in OEM Packet. C AU TI O N Tu T T rn Before using any system that requires raw cooling water, ensure that the intake valve is opened and the Hotter strainers are not clogged.

  • Page 120: Troubleshooting

    Hunter 31 • Water Systems Troubleshooting Problem Cause Solution Air in system Tank empty Fill all water tanks Fresh water pumps cycle on and off Tank empty Refill Blocked or pinched water lines Clear obstruction or straighten line Loose electrical connections Check connections.
  • Page 122 Hunter 31 • Water Systems Notes:...
  • Page 123 Chapter 10 Chapter 10 Waste Waste Systems Systems V1.031507 • P/N 1031379...

  • Page 124: Drains And Discharges

    Hunter 31 • Waste and Sanitation Systems This section outlines the use, care, and maintenance of However, waste is not limited to liquids, so, an example your boat’s sanitary systems, as well as, bilge pumps and might be the exhaust system on your engine or genera- waste systems.

  • Page 125: Pumps

    Hunter 31 • Waste and Sanitation Systems 10.1.2 Overboard Discharge Should the water level rise above the high water mark, Some discharges have valves associated with them. The and the emergency bilge pump comes online, you will Black water, or Raw sewage system from the head is one hear a high water alarm from the helm along with a solid such system.

  • Page 126: Other Waste Related

    Hunter 31 • Waste and Sanitation Systems shower drain. overboard in U.S. lakes, rivers, bays, and sounds and within 3 miles of shore in international waters is prohibited. Check with the Coast Guard regarding regulations in your area. A diaphragm type pump with strainer is used for the shower sump.

  • Page 127: Head System

    Hunter 31 • Waste and Sanitation Systems tions on pumping out black water waste! 10.4 Head System All vessels with fixed toilets that are operated on the waterways of the United States and some foreign coun- tries are required to be equipped with an operable Marine Sanitation Device (MSD).
  • Page 128 Hunter 31 • Waste and Sanitation Systems the float handle on the side of the float switch to simulate possibly remove any debris clogging the pump. the float switch being underwater. This will energize the 10.5.4 Shower Sump pump and the pump will operate.

  • Page 129: Toilets

    Hunter 31 • Waste and Sanitation Systems 10.5.5.3 Maintenance Maintenance on the holding tanks is best described as ensuring no methane gas is leaked and to keep odors down to a minimum. Any deodorizer may be used as long as it contains no alcohols or strong chemicals. Steer clear of drain opening type chemicals or strong bleaching type agents.

  • Page 130: Troubleshooting

    Hunter 31 • Waste and Sanitation Systems Troubleshooting Problem Cause Solution Head Not Flushing Head breaker Off Switch Breaker to on. If Breaker is tripped determine cause and correct. Battery Charge Low Charge Batteries Head Not Emptying Blocked line to tank...
  • Page 134 Hunter 31 • Waste and Sanitation Systems Notes: 10.12...

  • Page 135: Engines

    Chapter 11 Chapter 11 Engines Engines Transmissions Transmissions V1.031507 • P/N 1031379...
  • Page 136 Hunter 31 • Engines and Transmissions The following is a list of components associated with CAU TI ON your engines and transmissions. Take proper care when washing down, or clean- • Engine ing your engines, that water does not enter the air •...
  • Page 137 Hunter 31 • Engines and Transmissions the engine speed. Important: Engines are not warranted by Hunter Corporation, Press and hold the center button on the shift lever, and these warranties are written by the engine manufacturers. move the lever forward to increase the engine RPM DANGER without shifting into gear.

  • Page 138: Transmissions

    Hunter 31 • Engines and Transmissions The raw water cooling system is described in detail in your “Water Systems” (section 9) of this manual. The Consult your OEM manual for complete transmission internal engine cooling system is supplied by the engine information.
  • Page 139 Hunter 31 • Engines and Transmissions what to look for and what to do in case of neces- sary action. Inspect your boat’s exhaust system fre- quently, or have a qualified service technician ser- vice the system to ensure that there are no leaks.

  • Page 140: Troubleshooting

    Hunter 31 • Engines and Transmissions Troubleshooting Problem Possible Cause Solution Engine not starting No fuel reaching engine Fuel tank vent blocked. Clean hose and fitting to remove material. Make sure hose is not pinched Improper starting procedures Fuel line obstructed. Check fuel lines.
  • Page 141 Hunter 31 • Engines and Transmissions Drop in oil pressure Lubrication system leaking Repair if possible. See your dealer (engine running at constant speed) for service Defective oil pump See your dealer for service Pinched oil lines to remote filters Reroute if possible.
  • Page 142 Hunter 31 • Engines and Transmissions High oil pressure Too heavy grade of oil Drain oil and replace. See engine manual for proper grade Dirt or obstruction in oil line Drain and clear oil system. Check for bent or flattened oil lines...
  • Page 144 Hunter 31 • Engine and Transmissions Notes: 11.10...

  • Page 145: Sails And Rigging

    Chapter 12 Chapter 12 Sails Sails Rigging V1.031507 • P/N 1031379...

  • Page 146: Main Rig Components

    12.1 Main Rig Components Most sailors believe that sailing is hard work: all those lines • Anodized B&R Rig Mast to tend, halyards to yank and sails to lug. Hunter Marine • Boom has dispelled that myth once and for all! Innovations by •...

  • Page 147: The Sails

    8. Mark the halyard at the stopper with 1” (25mm) single band of indelible marker ink. By dropping the halyard to As standard your Hunter is equipped with a furling jib this mark every time, positioning is made easier. The hal- sail and a drop down main sail.

  • Page 148: The Arch

    Hunter 31 • Sails and Rigging total slack in the sheet. The sheet that is not being used • 9/16” deep and regular socket. — the lazy sheet — should also be attached to the clew • 9/16” wrench of the spinnaker , led forward in front of the headstay, •...
  • Page 149 Hunter 31 • Sails and Rigging cord. 12.10.2 General Hardware Maintenance Check all fittings regularly to be sure screws are tight. Occasionally lubricate (use silicone lubricants) all mov- ing parts on such fittings as blocks, turnbuckles and cam cleats, as well as the locking pins of snatch blocks, track slides, spinnaker poles, etc.
  • Page 150 Hunter 31 • Sails and Rigging Notes: 12.6...
  • Page 159 Chapter 13 Chapter 13 Getting Getting Underway Underway V1.031507 • P/N 1031379...

  • Page 160: Getting Underway

    Hunter 31 • Getting Underway Before you go on the first cruise, you should be able to CAU TI ON answer “yes” to the following questions: This alarm will only indicate the presence of Carbon • Has your dealer completed the pre-delivery service Monoxide at the sensor.

  • Page 161: Starting The Engine

    Hunter 31 • Getting Underway WA R N I N G WARNI N G Leaking fuel is a fire and explosion hazard. Personal Using a damaged or improper cord for shore power injury or death could occur. can cause electrical shock and serious injury. Use a cord specifically designed for shore power connec- tion.

  • Page 162: Getting Underway

    Hunter 31 • Getting Underway WA R N I N G 13.3 Getting Underway In order to prevent premature starter failure, do not continuously crank engine starters for more than 10 WARN I NG seconds. Before ever pulling away from the dock, make sure 5.
  • Page 163 Begin with all rig- 6. On the Hunter, it is necessary to go up the mast in a ging slack. If the mast is already stepped, loosen all the Bosun’s Chair to tighten the number 2 diagonal shroud...

  • Page 164: Returning To Port

    Hunter 31 • Getting Underway harness or Bosun’s Chair intended for this use. Always not true, then revisit the appropriate step above to correct tie into the harness with the halyard using a bowline and it. If the sag in the headstay is too much then adding ten- then secure the shackle as a back up as the knot is more sion to the verticals will fix it.
  • Page 165 Hunter 31 • Getting Underway emergency procedures aboard your boat. Always insure that you, and all aboard know the outlines for emergency operations. Here we will provide you with some of the basics for some of the situations you may encounter. You may also review the Boating Safety chapter, of this manual.
  • Page 166 Hunter 31 • Getting Underway Notes: 13.8...

  • Page 167: Maintenance

    Chapter 14 Chapter 14 Maintenance V1.031507 • P/N 1031379...

  • Page 168: Maintenance Materials

    Hunter 31 • Maintenance Spray lubricant Maintenance 14.1.3 Recommended Spare Parts (The information below is Hunter Marine’s opinion and should not be considered complete or exact list of recom- We recommend that you carry the following spare parts mendations.) on board your yacht: You have made the investment to purchase your boat.
  • Page 169 Hunter 31 • Maintenance are removed. Waxing helps protect your boat from everyday elements. Use a wax recommended for fiberglass (gelcoat) finishes. * Apply a good coat of wax. Many automatic, over-the-counter waxes can be used. Check the product label for recommended surfaces and 14.2.4 Stains...
  • Page 170 Hunter 31 • Maintenance ish out the stainless finish for a mirror shine. parts: • Do...Rinse thoroughly with fresh water after each cruise. Thorough rinsing can prevent a lot of the surface staining * Wash acrylic hatches, windows, and any other acrylic...

  • Page 171: Interior

    Black Hunter Marine. You will find that as with most items, sole shoes permitted on deck may scuff any deck surface.

  • Page 172: Mechanical Systems

    Hunter 31 • Maintenance dissolve dirt and grime, but will not harm the environment for damage. Replace any damaged exhaust system when pumped overboard. If you keep the bilge clean, it component. is much easier to identify leaks or other problems if they should develop.

  • Page 173: Periodic Maintenance

    Hunter 31 • Maintenance * Keep the batteries fully charged. Batteries kept fully Clean the cable with a grease cutting household deter- charged last longer than batteries kept at a partial gent. Apply a vinyl protector periodically. charge. The metallic parts of the cable are corrosion resistant.

  • Page 174: Storage And Lifting

    Hunter 31 • Maintenance tings. aft of the station indicated may damage the propeller shaft. Lifting forward of the station indicated, with the * Check and service batteries, tighten battery connec- sling under the exhaust outlets, may cause cracking tions, and lubricate as needed.
  • Page 175 Hunter 31 • Maintenance * Clean the inside of all hull openings, through hull fit- ** Prepare the Fresh Water System: tings, and screens. Inspect the hull and underwater gear * Remove the fresh water supply by opening the hot and for signs of wear, deterioration, or damage.

  • Page 176: Fitting Out After Storage

    Hunter 31 • Maintenance form the following: * Apply a coat of wax to the entire boat. Put rust inhibitor on all metal parts. * Check all anchor lines and gear and replace, if neces- sary. * Cover the boat with a tarpaulin or mooring cover. If the...

  • Page 177: Routine Maintenance

    Hunter 31 • Maintenance Routine Maintenance Item Daily 75hr 250hr Yearly Diesel Engines Check Exhaust system for leaks Check for loose or dam- aged parts Check fuel system line for leaks Drain water and sedi- ment from primary fuel filter...
  • Page 178 Hunter 31 • Maintenance Tighten all pressurized water system fittings Item Daily 25hr 75hr 250hr Yearly Miscellaneous Halon Fire Extinguishers Check battery electro- lyte level Check raw water strain- ers (generator, AC unit) 14.12...
  • Page 180 Hunter 31 • Maintenance Notes:...

  • Page 181: Glossary

    Chapter 15 Chapter 15 Glossary Glossary V1.031507 • P/N 1031379...
  • Page 182 Hunter 31 • Glossary Broach: when a boat running downwind slews broad- side to the wind and heels dangerously. It is caused by Aback: describes a sail when the wind strikes it on the heavy following seas or helmsman’s error.
  • Page 183 Hunter 31 • Glossary Dead run: running with the wind blowing exactly aft, in Go about: to turn the boat through the eye of the wind line with the center-line. to change tack. Deviation: the difference between the direction indicat- Gooseneck: the fitting attaching the boom to the mast, ed by the compass needle and the magnetic meridian;...
  • Page 184 Hunter 31 • Glossary Leech: 1, the after edge of a triangle sail; 2, both side On the wind: close-hauled. edges of a square sail. Out haul: a rope used to pull out the foot of a sail. Leehelm: the tendency of a boat to bear away from the Overall length (OAL): the boat’s extreme length, mea-...
  • Page 185 Hunter 31 • Glossary under 50 ft. (15m.)is at anchor. It must be visible for 2 a knot; the part of a rope that is made fast, or around mls. (3 km.). which the knot is tied. Rigging screw: a deck fitting with which the tensions of Standing rigging: the shrouds and stays that are per- standing rigging, e.g.
  • Page 186 Hunter 31 • Glossary line; two transit give position fix. Traveller: 1, a ring or hoop that can be hauled along a spar; 2, a fitting that slides in a track and is used to alter the angle of the sheets.

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