NW Explorations Discovery Operating Manual Download

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NW Explorations

DISCOVERY OPERATING MANUAL

Discovery

A 46’ Grand Banks Classic

Operating Manual

Edition of April 1, 2017 • Copyrighted. See notice next page.

Section

Contents

Introduction & General Boat Description

Specifications, Capacities & Important Numbers

Operating Checklists & Maneuvering Suggestions

Specific Discussion of Boat Systems

“What to Do” for Some Specific Concerns

EMERGENCY PROCEDURES

Index

Summary of Contents for Discovery

Page 1: ...of April 1 2017 Copyrighted See notice next page Section Contents 1 Introduction General Boat Description 2 Specifications Capacities Important 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 ...

Page 2: ...l specifically discussing them however some of the wide angle pictures of the boat show the old units Thank you for your understanding Copyright 1998 1999 2006 2007 Joseph D Coons This manual was written for this boat s owner and NW Explorations of Bellingham Washington U S A by Joseph D Coons 25 Shorewood Drive Bellingham WA 98225 telephone 360 647 0288 All rights reserved This manual may not be ...

Page 3: ...e you a solution to every circumstance 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 How the Manual is Organized The tab for each section defines its general purpose as shown on the...

Page 4: ...rial Of particular note are the easy walk around decks enabling safe secure passage about the boat by passengers and crew A roomy cockpit section with a storage lazarette beneath is especially useful for fishing and for handling the dinghy after it is launched from its davit on the stern On the side decks are the two fuel fills one port side and the other starboard A holding tank pump out deck fit...

Page 5: ... aft side decks is the boat deck Here you will find the permanently mounted barbeque with its own fixed propane tank as well as a professional electric davit to which is attached a hard bottom inflatable dinghy with a Honda outboard engine Up three steps from the boat deck is the flybridge with seating for crew and passengers and the upper helm station In addition to the helm s instruments and con...

Page 6: ...lity helm station with electric switch panels adjacent and electronics panel above on the helm itself are the ship s radar and GPS plotter In the helm cabinet is storage for manuals tide tables navigation tools charts etc Aft of the starboard door is the custom helm seat with three drawers and a cushioned top Just aft of this is a dry bar with an icemaker below Aft of the icemaker cabinet is fitte...

Page 7: ...ward head compartment with its own stall shower and Vacu flush head and basin with van ity Both the stateroom and head have floor storage holds The aft master stateroom is down a few steps from the port end of the salon Forward to port in this stateroom is a head compartment with toilet sink van ity and numerous cabinets and drawers to starboard opposite in the cabin is the stall shower Between th...

Page 8: ...r tank and the genset muffler The engine shafts lead from the transmission couplings through the hull via virtually maintenance free shaft logs packing glands Just forward of the genset midships is a fuel manifold panel which requires no operation under normal circumstances and beneath the genset is one of the ship s two water tanks the other is forward Right over the middle of the port engine The...

Page 9: ...d aft stateroom and another in the port interior side door step a ship s bell flares an appropriate supply of life jackets and VHF radio Charter clients with children under 90 pounds should bring appropriate life jackets for them An engine sea strainer See the long yellow handle on the right The T knob referred tolater in this manual is hidden on the opposite side of the strainer Look just aft of ...

Page 10: ...o 350 gallon tanks Fresh water 290 Gallons in two tanks Holding Tank 30 Gallons Dimensions Length 47 feet 1 Inch Including bowsprit and swim step Beam 14 Feet 9 Inches Draft 4 Feet 5 inches Displacement 39 000 Pounds Fluids Motor Fuel 2 Diesel Motor Oil mains 15W 40 Chevron Delo Multigrade Transmission Oil 30W Chevron Delo Single Grade EngineCoolant 50 50mix ethyleneglycolandwater corrosion inhibi...

Page 11: ...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 Synchronizer On Approaching Dock Fenders out on appropriate side Bow l...

Page 12: ...windlass is stopped Engines reversed for count of five until chain pulls up virtually straight Note The boat is not held in reverse against a taught anchor chain Generator Starting Stopping Hold Preheat switch for 15 seconds thenboth Preheat and Start until starts Check port side exhaust for water flow After one minute for warmup turn power selector from Off to Gen Stopping Turn power selector fro...

Page 13: ...erse 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 Using the Synchronizer The Glendinning Synchronizer exactly automatically synchronizes the engines To engage it 1 Set the engines to the approximate cruise settings 2 Push the switch on the engine alarm panel the pilot light will go on 3 Push the Slave control a...

Page 14: ...y 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 maneuvering the boat and one on the bow operating the anchor Putting the bow of the boat over the spo...

Page 15: ... out there is plenty of sag stretch and we want to keep the boat in its area If necessary put a crab pot float or fender on the line to warn others it s there Here is a sketch of a properly anchored boat with a shore line In this drawing S Scope which should be at least 4 x DL the Depth at Low Tide Trim Tabs The boat is fitted with a set of Bennett Trim Tabs These are wide flaps attached to the af...

Page 16: ...ick 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 5 quarts Add only enough oil to bring it up above the add mark s...

Page 17: ...that higher RPM operation is very inefficient on semi displacement vessels like this one so you will find these operating specifications to be true gallons per hour speeds and nautical miles gallon are estimates RPM Gallons per hour Total both Engines Speed Knots Nautical Miles per Gallon 1400 5 0 8 00 1 6 1600 7 0 9 00 1 29 2000 14 0 11 8 84 2400 24 0 15 0 625 As you can see each extra knot is ve...

Page 18: ... valve seals are maintained and it is not punctured Should inflation be required simply pump up the dinghy until it is pretty hard thumb can deflect a tube by about maximum using the pump provided on the boat Should the dinghy be punctured and you feel competent to make the repair follow the instructions in the dinghy manual and use the dinghy repair kit also on the boat otherwise have it professi...

Page 19: ...ste your precious drinking water Water heater After the water pump water is distributed directly to the cold water faucet lines In addition it goes to the boat s water heater This heater uses two energy sources 1 heat from the port engine so that whenever the boat is running or has recently run there is hot water and 2 110 volts AC from shore power if available and the breaker is on The heater is ...

Page 20: ...ause DC should always be available we have batteries aboard even when there is no shore power If the batteries aren t run down everything should work just like in the family car Since the batteries are used so much we have to replenish or charge them The most important way we do this is by alternators on the ship s engine s In most cases one engine will provide enough electricity in most every cas...

Page 21: ...ts horns navigation and radio gear etc This bank runs the boat s house It is charged by the alternator on the port starboard engine and when there is shore power or the generator is running by the battery charger and or by the inverter if they are on When the starting button is pressed on either of the engines a special high capacity switch called a solenoid closes and connects the starting and ho...

Page 22: ...S Turns on stbd engine power Synchronizer B To synchronizer switches Blower Port S Turns on port engine room fan Oil Change Pump B To switch on oil change pump Blower Stbd S Turns on stbd engine room fan Trim Tabs B To trim tab switches by helm In general when on the boat you ll have the navigation anchor mast spreader courtesy engine room lights and macer ator pump breakers OFF with all others ON...

Page 23: ...mps mode Measures current in amps to or from the batteries no sign batteries charging sign batteries dis charging H Amp Hours mode Shows the present state of the batteries Normally you will use the V or A mode Note that the unit can monitor three battery banks 1 2 3 but you will pri marily use it for the house battery The AC Electrical System The AC Electrical System is controlled at two sites the...

Page 24: ...ing Disconnecting Shore Power The large AC shore power selector switch on the AC circuit breaker panel is used to determine the source of AC power for the boat This switch should be left OFF whenever you are connecting or disconnecting the boat to shore This is true so that you do not draw an arc from the plug due to the load of the boat on the connector s pins such an arc will burn the contacts a...

Page 25: ...able from shore power it will charge batteries You tell what the inverter is doing by its control panel The little lights indicate its status INVERTER L E D STATUS LIGHTS PWR is lit if there is AC available for battery charging from shore power or the generator FAULT will light if the system detects a problem this is rare See the manual CHG will blink rapidly just after shore power or the generato...

Page 26: ...rter by the NWE staff Access to these is by unlatching and removing the starboard side panel on the generator s sound shield cabinet More important is checking the sea strainer see previous section to be sure is has not accumulated substantial debris while the generator was run for extended periods particularly at anchor Starting the Generator 1 Hold down the Preheat switch in the AC control panel...

Page 27: ...on requires that the head pedal not be held down for long periods if time These heads use about a half pint of fresh water from the ship s supply with each flush Each head is operated by a the pedal to the left of the head base as you face the head and operation is as follows 1 Before using the head if the waste will be solid lift the pedal to add water to the bowl 2 Use the head 3 Step on the ped...

Page 28: ...l heat exchangers in each area The furnace is controlled by a thermostat and switch located just left of the lower helm above the electric panels Nor mally this switch is set to system heat and the thermostat is set to the desired level 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 fur...

Page 29: ...any reason the thermocouple will shut off the fuel automatically assuring you of a safe galley To Light a Burner Lighting a burner is easy and only takes five to ten seconds 1 Be sure the propane valve circuit breaker in the DC panel is on 2 Turn on the remote propane valve on the fly bridge by throwing the over the stove Propane switch when you do this the pilot light on the switch panel will lig...

Page 30: ... best on only if the engine s are running You can control the refrigeration operation with the breaker in the AC panel it is best to leave the thermostats set When the fridge compressor is running it is cooled by sea water pumped through cooling coils The compact water pump is in the engine room as is the compressor to keep noise minimal The cold plates actually store the cold and when combined wi...

Page 31: ...el To use the hailer depress the PA button on the VHF select the forward of aft speaker on the switch immediately above the VHF radio and press the microphone key to talk CB Radio The CB radio above the VHF radio over the lower helm is a standard Uniden unit and can be used as any CB Radar The boat is equipped with a Furuno radar set This unit is used combined with the electronic chart unit for op...

Page 32: ...r of the processor cabinet When turned on the computer will boot After it boots double click the Nobeltec icon to start the navigation program If you are not completely familiar with the Coastal Explorer please operate the system with care reading the manual before you make any changes to any settings Thank you AIS Automatic Identification System This boat is equipped with Class B AIS The system i...

Page 33: ...to work Basic operation is simple 1 To turn on the unit turn the switch by the helm to standby The unit will do a quick self test then display its present heading 2 To engage the autopilot turn the switch to Pilot It will hold the heading 3 To disengage the pilot turn the switch back to Standby 4 To use the flybridge control the pilot must be on at the helm station Then hold down both the red and ...

Page 34: ...t running is the circuit breaker by the lower helm 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 BATTERIES HOUSE KEEP RUNNING DOWN Have you run the engines or generator enough Is something left on like the engine room or...

Page 35: ...ance from the fisherman You are responsible for damage you cause to a net HIT A LOG OR ROCK See EMERGENCY PROCEDURES next chapter PROPELLER FOULED OR DAMAGED Best thing have the prop checked by a diver or dive it yourself if able 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 or...

Page 36: ...ing an urgent PAN call Tell them that you are 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 solv...

Page 37: ... harbor If no vibration at idle slowly accelerate one engine at a time Is there vibration on either If yes run at idle or on only the good engine to reach a close safe harbor Then contact NW Explorations With a twin screw boat the damaged running gear can t be used after hitting an object However if while under way on one engine the other engine s propeller shaft rotates by itself because of water...

Page 38: ... dinghy 4 5 9 15 16 18 34 36 dryer 7 25 26 E electronics 2 5 6 26 31 34 emergency 3 6 7 9 31 34 37 engine 5 6 8 9 11 13 14 16 22 26 28 30 34 37 exhaust 8 12 26 28 37 F fenders 9 11 13 28 filters 8 20 fire extinguishers 6 9 flares 9 flashlight 17 flybridge 4 5 9 18 29 31 33 freezer 7 30 fresh water 8 9 16 19 20 27 fuel 4 8 9 11 13 17 18 28 29 34 36 fuel filters 8 fuel tank 8 9 11 furnace 8 26 28 G ...

Page 39: ...4 rudder 13 32 33 37 rudder indicator 32 S Seacocks 8 17 sea strainer 8 9 17 26 34 seawater 36 shaft 8 35 37 shore line 9 14 15 shore power 4 6 11 12 19 21 24 26 28 30 34 shower 4 7 19 spares 6 34 starting 11 12 21 25 26 34 steering 8 15 stereo 7 21 stern line 13 15 sundeck 18 synchronizer 8 11 13 18 T table 6 7 temperature 16 18 28 30 32 throttles 11 13 tools 6 transmission oil 17 Trim Tabs 11 12...

Page 40: ... NW Explorations 2623 South Harbor Loop Bellingham Washington 98225 www nwexplorations com 800 826 1430 360 676 1248 ...

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