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NAVIGATOR OPERATING MANUAL

NW Explorations

4P: Head Systems

4P1: Overview

The head system on this boat is reliable, straightforward, and easy-to-use. First, a note about discharge of

sewage:

It is forbidden to discharge untreated sewage in inland US. waters, an area that includes all US. waters

in which this boat operates. The boat holding tank must only be emptied at proper pump-out stations

if it is in US. waters. (This rule does not apply in Canadian waters. However, in Canada, courteous

practice dictates that the holding tank be dumped only when outside confined marinas or bays, as we

are sure the reader agrees!)

The boat is equipped with two marine heads. These heads each have a separate system which macerates

waste and puts it into a holding tank. The holding tank is emptied either of two ways: by operating an overboard

macerator pump controlled at the DC power panel, or by pumping using a shore side pump out station through

the boat’s pump out fitting on the starboard side in the walk-around midships.

4P2: Head Operation

The premium heads are easy to use, odor free, and very reliable. They each work with a separate vacuum

pump/vacuum accumulator. A vacuum is maintained in the unit until the head is used, when the waste matter

in the bowl is sucked out of the head by the vacuum, then it is pumped through the system by the head pump,

which then also pumps up a vacuum again.

Note that it is this rush of the head’s contents caused by the accumulated vacuum that is important to

the head’s operation!

This sudden rush causes any solid material in the waste stream to be shattered as it

passes through the specially-shaped orifice in the bottom of the head. For this reason, proper head operation

requires that the head pedal not be held down for long periods if time.

The head uses about a half pint of fresh water from the ship’s supply with each flush.

The head is operated by a the pedal to the left of the head base (as you face the head), and operation is as

follows:

Each of the head compartments has a head switch (like a light switch). Be sure it is “On”.

The switch

should be left on unless you have trouble with the head, in which case you will turn the switch

“Off”.

Before using the head if the waste will be solid, lift the pedal to add water to the bowl;

Use the head.

Step on the pedal just long enough to hear the “whoosh” as the head is evacuated and a small amount

of water rinses the bowl - - - about five to ten seconds.

Releasing the pedal, if you wish to flush again, wait at least twenty seconds or so (until you hear the

head pump stop) before flushing again.

As the pedal is released, the ball-valve at the bottom of the head seals the head so that the vacuum can be

pumped up, when the pump will stop, and the head is again ready for use.

Only things which were eaten or drunk, or the toilet paper supplied with the boat, should be put in the

heads! Facial tissues, tampons, and other foreign matter will clog the system. If these heads are used

properly, they are quite reliable. Failures are virtually always due to mis-use!

Содержание Navigator

Страница 1: ... 0 Copyrighted See notice next page Section Contents 1 Introduction General Description 2 Important Vessel Numbers 3 Operating Checklists Maneuvering Suggestions 4 Specific Discussion of Boat Systems 5 What to Do for Some Specific Concerns 6 EMERGENCY PROCEDURES 7 Index ...

Страница 2: ...ions whatsoever If you do not feel competent to undertake any or all operations detailed herein do not undertake it them get help from a competent person I thank you and my lawyer thanks you Joseph D Coons Copyright 2013 Joseph D Coons NW Explorations LLC This manual was originally written for this boat s owner and it s charter company by Joseph D Coons 1220Birch Falls Drive Bellingham WA 98229 te...

Страница 3: ...umstance foreseen or unforeseen If you have a question which limits your understanding or handling of this vessel ask your NWE checkout skipper or contact the office for details you might make a list of questions as you read the manual saving them all up to ask at one time 1A2 How the Manual is Organized The manual is divided into six sections numbered 1 to 6 plus an index Section 7 Within each se...

Страница 4: ...lding tank pump out deck fitting is to starboard The water tank fills are in the lazarette on each of the three tanks Fresh and salt water faucets are at the bow Forward on the bow deck is the anchor windlass with foot switches allowing chain movement both up and down electrically The anchor is retracted into the bow pulpit which hangs out over the bow to give better chain clearance from the hull ...

Страница 5: ...r helm station In addition to the helm s instruments and controls the console has storage for the ship s canvas covers and a space for flybridge electronics On the flybridge are tandem seats port and starboard seating two and four passengers respectively Within the storage compartments beneath the seats you will find a complement of life jackets on the starboard side and the propane tanks for the ...

Страница 6: ... professional quality helm station with electric switch panels adjacent and electronics panel above on the helm itself are the ship s Radar GPS Plotter etc Just aft of the starboard door is the custom helm seat with three drawers and a cushioned top In the helm top cabinet there is storage for manuals tide tables navigation tools flashlights etc There is a cabinet door adjacent to the cabin starbo...

Страница 7: ...r and drawers cabinets for crew clothing A large overhead hatch in addition to side opening portlights plus overhead and reading DC lighting provide for plenty of light The hanging locker includes a fire extinguisher and there are heating controls and a carbon monoxide detector Guest Head Shower Compartment To starboard in the forward stateroom is the Guest Head compartment with its shower fixture...

Страница 8: ...tment with toilet sink vanity and numerous cabinets and drawers to starboard opposite in the cabin is the stall shower Looking into the Master Stateroom from its companionway steps Above To port in the M S R is lots of dresser space and a vanity desk Bedding may differ when boat is in charter service Right Note above the port aft corner desk the chrome knob whichlocks the lazarette hatches Forward...

Страница 9: ...oolbag and battery switches This door seldom used E R port forward Battery switches wiring housebatteries shown Outboard of stbd engine Batteries are in the blue top boxes one is forward of picture area Stbd tank has sight gauge with push button valves top and bottom fuel filters for stb dengine The engines are to each side There are a number of individual equipment and engine pictures throughout ...

Страница 10: ...ts lead from the transmission couplings through the hull via virtually maintenance free shaft logs packing glands 1B4 Dinghy The boat is equipped with an Aqua Pro RIB inflatable dinghy with outboard motor fuel tank pump and oars The dinghy is carried on the swim step Sea Wise Davit System 1B5 Deck Equipment The boat has mooring lines a stern shore line 300 long an appropriate all purpose anchor wi...

Страница 11: ...ngine room extinguisher control is just inside the starboard saloon door on the front edge of the helm seat support First Aid Kit In the Forward Stateroom Head Compartment cabinet Flares These are in the Emergency Drawer under the aft ell of the salon settee Life Preservers PFD s There are two wearable vests in each stateroom s hanging locker and there are standard vests under the starboard seat o...

Страница 12: ... Dimensions Length on deck 43 feet 3 inches Length Waterline 41 feet 1 inches Beam 14 Feet 1 inches Draft 4 Feet 2 inches Displacement 39 000 Pounds Fluids Motor Fuel 2 Diesel Motor Oil mains 15W 40 Chevron Delo Multigrade Transmission Oil 30 weight Chevron Delo Engine Coolant 50 50 mix ethylene glycol water corrosion inhibitor added Operating Parameters Estimated RPM Gallons hour Total both Engin...

Страница 13: ...power cord removed stowed on board Step stool aboard if used Lines removed as appropriate Fenders hauled aboard and stowed Lines and other deck gear secure stowed Doors and hatches closed and secured as appropriate Underway Helmsperson on watch at all times RPM under 1400 until engines warm to 140 RPM never to exceed 2400 RPM Wake effects always in mind Approaching Dock Fenders out on appropriate ...

Страница 14: ...rse against a taught anchor chain Generator Starting Stopping Be sure generator breaker is On Hold Preheat switch for 15 seconds then release Hold switch in Start position until it starts if it does not start repeat preheat step Check port side exhaust for water flow After one minute for warmup turn power selector from Off to Gen Stopping Turn power selector from Gen to Off wait one minute for coo...

Страница 15: ...Maneuvering in a Harbor With its twin screws you ll do best if you center the rudder and steer with the engines only The props are so large that the boat will respond well except in high winds just with use of the propellers in forward and or reverse Take your time and keep the boat running dead slow so that you can plan each approach You shouldn t need to use the throttles at all Filling the Fuel...

Страница 16: ...the bay Boats are thus perhaps only 15 20 apart side to side Third boats often will raft side by side in busy marinas although this is not very common Fourth courteous boaters will call vessels coming into busy bays and offer to let them raft to the same buoy if signs on the buoys do not limit usage to only one boat depending upon length Anchoring safely requires two persons one at the helm maneuv...

Страница 17: ...of water if you re at the top of a 15 foot tide To get to the shore you will need to have a dinghy down and then have your mate keep the boat s stern toward shore with short bursts of reverse gear Sometimes a helpful boater already anchored will help you by taking your line to shore for you with his dinghy a neat good deed that you might reciprocate We ve met some nice boaters this way The shore l...

Страница 18: ...e Speed indicator to get the highest speed at a given throttle setting by adjusting Bow Down If the tabs are Bow Down too much the steering will get mushy and speed may drop off a little and the tabs should be adjusted Bow Up a little Note that it will take time to make these adjustments when the buttons are depressed they need to be held 2 5 seconds each time for change to be felt and observed th...

Страница 19: ...suited to hold it It reduces substantially the chain noise transmitted to the occupants of the forward cabin It allows the anchor rode to have a lower angle relative to the sea bottom thus increasing the anchor s holding power To use the bridle 1 Lower the anchor normally see page 4 2 then after it is set 2 Hook the bridle on the chain just in front of the anchor pulpit bow roller 3 Then secure th...

Страница 20: ...ain pile may have fallen over or shifted There is no way the chain can be tangled so that you will ever need to disconnect it One easy way to disentangle the chain is while wearing gloves grasp the chain on the forward side of the windlass and while lifting it above the wildcat manually rapidly yank it up and down This will usually free it If on the other hand this yanking technique fails look int...

Страница 21: ...self has failed Remove the back cover from the windlass and with a voltmeter check to see if while a switch is depressed there is DC voltage on it s terminals if not check the actual wires themselves where they connect to the windlass The windlass uses so much current that sometime the connection though it appears tight may have failed If there is voltage on the wires tighten the nuts firmly on th...

Страница 22: ...rator has to be in it when the engines are or have been recently running 4D Bilge Pumps The boat has three bilge pumps one in each bilge area each controlled by a circuit breaker mode switch in the 12 Volt DC panel by the lower helm The mode switches in the breaker are labeled Auto Off or Manual and these switches should be left in the Auto position When in Auto the pump is controlled by its float...

Страница 23: ...oard the dinghy for each passenger aboard whenever the dinghy is at sea Please be careful when pulling the dinghy ashore on beaches to minimize damage and scratches to the bottom It can be lifted by two persons if one is on each side Don t Ram the beach you can bump up to the beach gently and step ashore over the bow pulling the dinghy a little more ashore as each person off loads Don t forget to ...

Страница 24: ...C electrical system is controlled at the AC electrical panel 4F1 AC Generator The ship s Onan Generator provides 8 000 watts of AC power to the vessel and is used for battery charging heating hot water and operation of incidental AC appliances The generator is in the engine room Service access is by unlatching and removing the starboard panel on the generator s sound shield cabinet More important ...

Страница 25: ...rter to run it so in six minutes you use one tenth of an hour at 100 amps or ten ampere hours That s okay But what if you want to cook a roast for 30 minutes You would use up a lot of energy on that one job alone That s too much use for the inverter and the propane stove or convection oven should be used For a short task the inverter is great no starting the generator no noise no fuss the power is...

Страница 26: ... Rate of Battery Charge if Charging Rate of Battery Discharge if Inverting PUSH BUTTON USE SETUP Do not use CHARGE Turns charge function on off INVERT Turns inverter function on off POWER SHARE Press repeatedly to cycle through the settings LED s indicate the maximum shore power the inverter will draw Used to keep the inverter from blowing dock shore power breakers Remember the important note Conn...

Страница 27: ...s on AC Engine Room Lts Reverse Polarity P If Lights See Below At Once Refrigerator B To Refrigerator controls Test Bulb Switch MS Tests Rev Polarity Bulb Charger S Turns on Starting Battery Charger Water Heater S Turns on Hot Water Heater GENERATOR CONTROLS Below Cold Plate S To freezer Breaker B Turns on control circuits Inverter B To Inverter Leave on Start MS Start Switch See below Block Heate...

Страница 28: ...if the cord itself is mis wired then these connections can become mixed up and then there is a significant chance of getting a shock or just as bad a chance that running gear outside the boat will be subject to rapid corrosion because the boat is immersed in sea water a good conductor of electricity To protect the vessel and its crew from such contingencies a Reverse Polarity Warning light will il...

Страница 29: ...rical Systems DC 4G1 DC Concepts Each year it seems more folks are confused by the operation of electrical systems on yachts than by any other subject Don t feel discouraged if something isn t clear you ve got company in your confusion So let s try to cover some theory here first Most of the equipment on any boat is run by 12 volt DC electricity from the boat s batteries This is true because DC sh...

Страница 30: ...s on this boat are not just one big all purpose battery To have redundancy there are actually several banks of batteries assigned different tasks A starting bank of one battery located under the forward engine room teak bilge flooring is used for starting the engines only That way we won t run it down playing the stereo for instance and then be unable to start an engine This battery is charged by ...

Страница 31: ... below You will rarely use the battery charger because the primary house battery charger is the Inverter and the engine and or generator starting batteries will not normally need charging you should leave the battery charger AC breaker OFF unless a starting battery is dead 4G4 DC Battery Switches Just inside the under stair door to the engine room from the forward companionway are the battery main...

Страница 32: ... which in turn turns the item on and off An example of this would be the circuit breakers for the horn and electric head If the breaker is turned on the horn won t work unless you push the horn button and the head won t start flushing the moment you turn the breaker on either But some of the other breakers also serve as the switch for the item An example of this would be the navigation light break...

Страница 33: ...ght See engine start procedure below Trim Tabs B To trim tab rocker switch Bilge Pump toggleswitches See note below Normally left in Auto position In general when on the boat you ll have the navigation anchor spreader seawater pump courtesy engine room lights E R blower and macerator pump breakers OFF with all others ON The Engine switches will all be OFF unless running in which case the Start Sto...

Страница 34: ...harged battery that is idle is 12 8 volts a battery getting float charge is 13 2 volts a less than full battery getting charged is 14 2 volts A battery is considered dead at 10 volts 4G8 DC Pathmaker The boat is equipped with a Pathmaker This device automatically combines the batteries whenever charging voltage is available thus assuring the operator that all are fully charged and that all chargin...

Страница 35: ...e bottom the P S scale shows the current rudder position port or starboard S standby appears in the display AUTO Engages the autopilot to hold the heading that existed when pressed When engaged A Autopilot appears before the heading that was set NAV Connects the autopilot to the Nobeltec navigation system N appears in the display in front of the heading called for by the navigation system DODGE Do...

Страница 36: ...unding systems both of which are at the lower helm one at the flybridge At the lower helm there is a Simrad small display which now has depth indications only This is separate from the Furuno System and is a backup for it The Furuno System can serve as a plotter radar or depth sounder by pressing the display key and using the roto knob to place it in sounder mode Because our waters are sometimes v...

Страница 37: ...stem allows other vessels equipped with AIS to share and automatically update their position speed course and vessel information This information is displayed on both the desktop computer monitor as well as the Furuno chart plotter on the flybridge AIS is a valuable tool to aid your situational awareness and help prevent collisions Your checkout skipper may demonstrate its use and the operating ma...

Страница 38: ...e Oil The oil level should be between the two marks on the dipstick The dipsticks are located on inboard side of each engine toward the forward end of the engine itself and the stick pulls out upward Use a paper towel from the roll on the forward bulkhead wipe the stick reinsert guiding the stick with the towel to keep from bending it and take reading The distance between the two marks is about 1 ...

Страница 39: ...lashlight through it While some fuzziness from trapped thin growth is normal you should see the light clearly on the other side if obscured clean the strainer See below 4J3 Engine Controls Navigator is fitted with standard controls at each helm The black knobbed controls are the shift levers the red knobbed controls are the throttles 4J5 Engine Operating Parameters These Cummins engines are red li...

Страница 40: ...re three water tanks located in the lazarette under the stern edge of the hatches These are filled by fill pipes on each You need to fill the tanks individually You can use a clean stick such as a broom handle to dip the tanks if you need to check their levels or the gauge in the salon see page 3 4 The tanks empty uniformly when used 4K2 Fresh Water Heater After the water pump water is distributed...

Страница 41: ... DC panel off unless the pump is in use lest the hose connections break or leak filling the vessel s bow with water 4K7 Waste Water Waste water from the sinks and showers but not from the toilets is dumped overboard in accordance with U S and Canadian law From sink basins the water simply flows by gravity overboard Since the floor of the showers is below the water line built in shower sump pumps o...

Страница 42: ...nd remember you will have to prime the engine to re start it See the engine manual for this procedure 4L5 Fuel Management In the starboard aft side of the engine room there is a fuel manifold consisting of a set of valves for the fuel supply to the main engine and generator and another set for the fuel return from these engines back to the ship s tanks In addition there are visual sight gauges at ...

Страница 43: ...s the air into each area of the boat from small heat exchangers in each area 4M2 Furnace Operation The furnace is controlled by an On Off function on thermostats in the saloon and each stateroom When a thermostat calls for heat the furnace s built in computer will warm up the furnace supply heat to the boat until the thermostat senses it is warm enough then shut off the fans while the furnace goes...

Страница 44: ... heavier than air Therefore it must be treated with care around a boat so that we can be absolutely sure there is no gas escaping into the atmosphere to collect in the boat s lowest spot the enclosed bilges to become an explosive safety hazard For this reason the propane tank itself is housed above the galley on the flying bridge where any leaked gas will simply blow away There is of course a manu...

Страница 45: ...oil with the door open and do not run the broiler for more than twenty minutes at a time 4N2 Microwave The microwave is conventional operating just as one does in the home ashore Be sure to remove the metal rack the metal turn table should always stay in 4N3 Refrigerator and Freezer Galley Salon Freezer The boat is equipped with an efficient refrigerator that runs on 12 volts DC or 110 volts AC Th...

Страница 46: ... head s contents caused by the accumulated vacuum that is important to the head s operation This sudden rush causes any solid material in the waste stream to be shattered as it passes through the specially shaped orifice in the bottom of the head For this reason proper head operation requires that the head pedal not be held down for long periods if time The head uses about a half pint of fresh wat...

Страница 47: ...on connecting to the Waste deck fitting on the starboard side deck If not in U S waters or a no discharge zone you can dump the tank overboard without a pumpout station by turning ON the macerator breaker pump and using the white timer switch to the right of the electrical panel One quarter to one half turn is usually ample to empty the tank The timer will shut off automatically Do not reverse dir...

Страница 48: ...fect and will help the operator lower the bow for more efficient cruising The best way to adjust the tabs is to lower them while watching the Speed indicator to get the highest speed at a given throttle setting by adjusting Bow Down If the tabs are Bow Down too much the steering will get mushy and speed may drop off a little and the tabs should be adjusted Bow Up a little Note that it will take ti...

Страница 49: ...rements The system can also be manually operated using the control by the lower helm Pull the pin and pull the handle 4R3 Safety Cease Fire Fire Alarm System 4R3 Safety Warning Panels Above the lower helm is this panel which has warning lights for high water temperatures or low oil pressure the genset left on running bilge pumps running high exhaust temperatures and engine room lights left on Ther...

Страница 50: ... same spanner you use 4 for the fuel caps Then remove the strainer by pulling it out the top of the assembly Rinse the strainer thoroughly and if necessary remove any debris from the glass housing 5 Reinsert the strainer tighten the top cover and turn the valve back on in line with the thru hull itself or its hose Failure to re open the valves will overheat the engine or damage the pumps The entir...

Страница 51: ... on If the motor is running is the clutch tight Use the anchor windlass handle Windlasses are equipped with a shear pin to protect them if you sheared the pin you will have to haul the anchor by hand using the emergency handle 5D Batteries House Keep Running Down Have you run the engines or generator enough Is something left on like the engine room or mast lights too many electronics etc that is t...

Страница 52: ... See EMERGENCY PROCEDURES next chapter 5M Propeller Fouled Or Damaged Best thing have the prop checked by a diver Check for vibration Try turning shaft by hand in engine room both should be turn able with engine in neutral Is shaft noisy or does it load engine Do not use that side and call NW Explorations See emergency procedures next chapter 5N Water Fresh Won t Flow Is there water in the tank Is...

Страница 53: ...e calling to advise them about your situation so they can keep in touch Be sure that the status and safety of the boat and crew is someone s responsibility while you sort out the boat s problem For example delegate your mate to keep a watch for hazards or to operate the boat on course slowly while you deal with the difficulty Here is a checklist for solving the problem A Isolate it B Get the manua...

Страница 54: ... rudder posts are after putting the engine into idle and or neutral if necessary If you did hole the boat go immediately to the If an Emergency on the preceding pages If no hole and still idling is the boat vibrating If yes put the engine into neutral try accelerating it If there is vibration or any unusual noise grinding or squealing shut down that engine and use the other engine Proceed to the c...

Страница 55: ...inghy 2 8 21 Dryer 23 27 28 E Electronics 3 4 13 17 32 35 49 Emergencies 7 Emergency 6 9 29 35 49 52 Engine 7 18 20 22 23 25 28 33 36 41 43 45 52 Exhaust 12 22 42 47 F Fenders 8 11 13 42 Filters 7 40 Fire Extinguishers 4 9 Flares 9 Flashlight 37 Flybridge 2 3 9 34 35 43 47 FM 35 Freezer 25 43 Fresh Water 2 8 10 31 38 39 44 Fuel 2 7 8 10 13 17 21 39 41 48 49 51 Fuel Fill 40 Fuel Filters 7 40 41 Fue...

Страница 56: ...olarity 25 26 Rudder 13 31 33 52 Rudder Indicator 31 S Seacocks 48 Sea Strainer 8 17 22 37 39 48 49 Sea Water 23 26 39 Shaft 8 46 50 Shore Line 8 9 14 15 Shore Power 3 4 11 12 22 24 26 28 38 49 Shower 2 5 6 31 39 Spares 7 49 Starting 11 12 22 23 25 28 29 32 49 Steering 16 21 33 46 Stereo 4 28 31 35 Stern Line 13 15 Sundeck 3 20 T Table 4 43 Temperature 36 41 42 Throttles 11 13 37 Thruster 17 Tools...

Страница 57: ...NW Explorations NAVIGATOR OPERATING MANUAL 55 ...

Страница 58: ... NW Explorations 2623 South Harbor Loop Bellingham Washington 98225 www nwexplorations com 800 826 1430 360 676 1248 ...

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