NW Explorations Discovery Manuel utilisateur
NW Exploraons DISCOVERY OPERATING MANUAL | 1
Discovery
A 46’ Grand Banks Classic
Operang Manual
Edion of April 1, 2017 • Copyrighted. See noce next page.
Secon Contents
1Introducon & General Boat Descripon
2Specicaons, Capacies & Important Numbers
3Operang Checklists & Maneuvering Suggesons
4Specic Discussion of Boat Systems
5“What to Do” for Some Specic Concerns
6EMERGENCY PROCEDURES
7Index
2| DISCOVERY OPERATING MANUAL NW Exploraons
Author’s Note
Over the winter of 2006-2007 the owner of Discovery made major improvements in electronics,
replacing or adding the Radar, GPS, Ploer, Weather Staon, Hailer, and CB Radio; a Spectra
Watermaker was also added. These new units are illustrated in the secons of the manual specically
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 wrien for this boat’s owner and
NW Exploraons 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 quoted, copied, or
duplicated, in whole or in part, in printed or electronic form, without express wrien consent from the
author.
NW Exploraons DISCOVERY OPERATING MANUAL | 3
Secon I: Introducon & General Boat Descripon About This Manual
Manual Objecve and Limitaons
This manual is intended to introduce you to “Discovery”, its systems and features, allowing you to operate it with the
condence and self-assurance necessary to enjoy your cruising vacaon to its fullest. It is not intended to replace a basic
understanding of seamanship, including navigaon skills, weather interpretaon or boat handling. You are expected
to have an understanding of these subjects obtained through other sources, including training, seminars, reading and
perhaps most important, experience.
There is no way that a small manual like this one can answer every queson or give you a soluon to every circumstance,
foreseen or unforeseen. If you have a queson which limits your understanding or handling of this vessel, ask your NWE
checkout skipper or contact the oce for details (you might make a list of quesons as you read the manual, saving them
all up to ask at one me).
How the Manual is Organized
The tab for each secon denes its general purpose as shown on the front page.
You will use Secon 3, containing checklists, most of all. You should have it available so that each checklist can be used
on a daily basis, even aer you are familiar with the boat.
Secon 6, regarding Emergency Procedures, is the most important, and you should read it, but hopefully you will never
need it.
Read this secon rst to learn about this manual and the general details of your boat. The other secons will tell you
most of what you need to know to enjoy your cruise to the fullest with safety and condence.
4| DISCOVERY OPERATING MANUAL NW Exploraons
General Descripon of This Grand Banks 46’ Classic
Exterior
The Grand Banks 46’ Classic is a tradional yacht design,
with berglass hull, cabin, and ybridge structures, a teak
swim grid/step, teak decks, rails, and gunwhale caps, and
stainless steel welded ngs and handrails. The window
frames are of painted wood with sliding glass panes,
while the windshield frame is of the same material.
Of parcular note are the easy walk-around decks,
enabling safe, secure passage about the boat by
passengers and crew. A roomy cockpit secon with a
storage lazaree beneath is especially useful for shing
and for handling the dinghy aer it is launched from its
davit on the stern.
On the side decks are the two fuel lls, one port-side and the other starboard. A holding tank pump-out deck ng is
located on the port side a. The water tank lls are on the port side, in the side and foredecks.
The roomy walk-around helps
keep you safe and secure. A view of the cockpit. Aft shore power
connection by door; shower foreground.
NW Exploraons DISCOVERY OPERATING MANUAL | 5
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 beer chain clearance from the hull than otherwise possible;
this pulpit is strong and braced, easily supporng not only the anchor
during hauling but also an aending crew member if necessary. Aer
passing over the winch, the chain goes below decks via a hawse pipe in
the foredeck.
There are shore power connecons (with an adjacent fuse holder) at
both the bow and stern, selected by the shore power switch in the
electric panel; when this cable is to be disconnected, the switch
should rst be turned to the “o” posion to avoid arcing which could
damage the plug contacts. The boat’s 30-amp shore power cable is 50 feet long and stays with the boat when away from
its home dock. An addional 30-amp cable is located in the starboard bow locker.
Three steps above the a side
decks is the “boat deck”. Here
you will nd the permanently
mounted barbeque with its own
xed propane tank, as well as
a professional electric davit to
which is aached a hard- boom
inatable dinghy with a Honda
outboard engine.
Up three steps from the boat deck is the ybridge, with seang for crew and
passengers, and the upper helm staon. In addion to the helm’s instruments
and controls, the console has storage for the ship’s canvas covers and a space for
ybridge electronics. Within the storage compartments beneath the seats you
will nd a complement of life jackets (on the starboard side) and the propane
tank for the ship’s stove (to port).
Bow pulpit, windlass, & shore power connection.
The barbecue and its tank (here in their
canvas covers) are on the boat deck handy
to both the main deck and the ybridge.
In this view you can see the mast with radar
and spreader lights and forward, the Bimini.
The Deck Crane & dinghy on its davits
on the boat deck. (The outboard
was off the boat)
The ybridge has comfortable tandem
seats with storage beneath plus
a full helm station.
The L-settee on the ybridge will be
a focus for your evening relaxation
after cruising.
The electronics panel in the ybridge.
6| DISCOVERY OPERATING MANUAL NW Exploraons
Interior Accommodaons
The boat is entered by either side door, port or starboard. These doors are ed with strong deadbolt locks, and in
addion have stainless catches axed to the cabin sides to hold them open; these “hold-open catches” should be
engaged manually, not just by “slamming the doors open” to avoid damage to the catches by bending, or the doors by
banging. The doors should be closed when underway except at very low speeds in calm waters to avoid geng salt water
inside the doorways. The starboard and port door steps have storage beneath for shore power cord adapters, ashlights,
re exnguishers, etc.
Just forward of the starboard door is a professional-quality helm staon with electric switch panels adjacent and
electronics panel above; on the helm itself are the ship’s radar, and GPS/ploer. In the helm cabinet is storage for
manuals, de tables, navigaon tools, charts, etc.
A of the starboard door is the custom helm seat with three drawers and a cushioned top. Just a of this is a dry bar
with an icemaker below. A of the icemaker cabinet is ed an L-seee to starboard. Under this seee’s forward end are
stored the boat’s engine spares; in the next cabinet a under the seee is the vacuum cleaner. The seee a-end drawer
has emergency gear (see following secons). A table in front of the seee is used for dining/cocktails.
To port is the entertainment center with
sidechairs and a book/magazine rack.
Moving aft from the bar is the L-settee
with the table in front and cabinets below.
Looking forward to the helm, helm seat
with drawers, and dry bar with icemaker.
NW Exploraons DISCOVERY OPERATING MANUAL | 7
The table has storage inside it for
games, cards, and other miscellaneous
items, and below it for boles and
magazines.
To port in the salon is more
seang, with two side chairs by the
entertainment center which has a TV/
DVD and stereo system. The ship’s
manuals are in the a cabin. Forward
by the port doorway are swivel bar
chairs.
Down from the salon to port is the
U-shaped galley. It has a propane
stove/oven in the counter; a large
stainless sink on the a counter;
deepfreeze (right of sink) and a
microwave. There is extensive storage.
A storage hold is in the galley oor.
The stove burners have a push- buon
“igniters”; the oven re- quires manual
pilot-lighng (a “propane match”
galley).
The forward stateroom includes a
V-berth with insert, a hanging lock-
er, and drawers/ cabinets for crew
clothing. A large overhead hatch and
side opening portlights provide plenty of
light. Moving a from the stateroom to
starboard is a locker housing the ship’s
washer/dryer; then the forward head
compartment with its own stall shower
and Vacu-ush head and basin with van-
ity. Both the stateroom and head have
oor storage holds.
The a (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 these two com-
partments are a huge hanging locker for
clothing and the salon passageway. There
is a queen-sized island berth, beneath
which are drawers including a spacious
chart drawer. To each side of the berth
are tables with cabinets beneath, as well
as storage lining the vessel’s exterior
walls on each side. A dresser is a to port
beneath the emergency exit hatch.
The rest of the galley itself: The stove,
cabinets, and the double-door fridge.
In this galley picture you see the
microwave,the sink, glass rack, and un-
der the hatch to right, the built-in
deep freeze and dish racks.
The forward stateroom berth.
This gives you an idea of the ne
cabinetry and copious storage
throughout the boat.
The fwd S/R hanging locker.
The Master Stateroom aft has a walk
around queen berth with
tables on each side.
The washer & dryer
8| DISCOVERY OPERATING MANUAL NW Exploraons
Engine Room
Preferred access to the engine room
is through the oor hatch by the
entertainment center in the salon.
Engine room lighng is turned on by a
breaker in the ship’s DC power panel.
The engines are to each side, while
forward of the engines are their sea
strainer/seacocks, the sea strainer for the
refrigeraon system, the vacuum pump
for the forward head, lters for the
watermaker. On the forward bulkhead
of the room are wiring terminals and
the ship’s inverter. Outboard of the
engines to starboard are the ship’s
furnace, watermaker, and two baeries;
to port are the fresh water pressure
pump and accumulator tank, the water
heater, refrigeraon compressors, and
two more baery boxes.
Just a of the engines outboard are
the two fuel tanks, with sight gauges
for fuel levels (the valves at each end
of the gauge for safety must be opened
for a tank reading). A of the engines
midships is the Northern Lights
generator in its sound shield; and to
each side of it are the main engine
Racor primary fuel lters. To starboard
of the genset are the oil change pump
and a set of controls for the genset.
To port of the genset is its sea strainer
and Racor, the a head vacuum pump
and accumulator tank, and the genset
muer. The engine shas lead from the
transmission couplings through the
hull via virtually maintenance-free sha
logs/packing glands. Just forward of the
genset midships is a fuel manifold panel
(which requires no operaon 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 water pressure accumulator tank
to right (the refrigeration compressor is
forward of it), thewater heater, and the
synchronizer unit.
Forward, just to port: The inverter above
its battery switch. To right, a water
faucet. To left, the refrigeration control
box, and underneath a battery box.
In the center aft engine room you
see the white genset box; the fuel
manifold with its valves, and the fuel
lters for each engine. The genset
battery is outboard of the port engine.
Looking over the top of the starboard
engine aft of the wiring panel: we see
the heater system and its various
hoses. Note the asbestos-wrapped ex-
haust going out the starboard side:
we talk about this under “Furnace”
later in this manual.
Looking to starboard at the forward
end of the engine room. You see the
battery switches (foreground) a head
systen vacuum pump, the battery
charger and the wiring panel,
and the steering cables.
Looking aft of the starboard engine
there is the starboard fuel tank with
its sight gauge; a set of generator
controls, and the sound shield
around the generator.
NW Exploraons DISCOVERY OPERATING MANUAL | 9
In the engine room is a supply of extra lube oil, baery water, spare parts, oil pads, etc.
Dinghy
The boat is equipped with a 10’ AB RIB-inatable dinghy with 15hp Honda 4-stroke outboard motor, fuel tank, pump and
oars.
Deck Equipment
The boat has mooring lines; a stern/shore line at least 200’ long; an appropriate all-purpose anchor with at least 360’ of
all-chain rode plus an emergency anchor with chain and rope rode; fenders/bumpers; four deck chairs; an ice chest; a
crab pot or ring with line, oat, and bait rigging; a hose for fresh water tank lling and boat washing; and a boat hook.
Safety Equipment
This vessel is equipped with three fire exnguishers, one each in
the forward stateroom and a stateroom and another in the port
interior side door step; a ship’s bell; ares; 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 the fuel lter: See
the loop forming the dipstick handle?
You can also seethe coolant cap clearly
atop the tank. The black “bump”
just left of the coolant tank is the
emergency stop button.
The port engine. Note the coolant tank
on the forward upper end; the yellow
“can” is the secondary fuel lter.
The white knob on the front end
is the fuel priming pump.
On the aft side of the aft ybridge rail is the lifering,
easily accessed from either the ybridge
or the boat deck. A second lifering is located behinfd the
seat on the ybridge settee.
10 | DISCOVERY OPERATING MANUAL NW Exploraons
Secon II - Specicaons, Capacies, & Important Numbers
Vessel Name:
DISCOVERY
Vessel Ocial Number: 1048488
Vessel Registraon Number: WN7999RF FCC
Ships License Call Leers WDD 7445
Hull ID Number GNDF0169E595
Capacies:
Sleeps four: Two in each stateroom
Fuel: 700 Gallons in two 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
Dra: 4 Feet 5 inches
Displacement: 39,000 Pounds
Fluids:
Motor Fuel: #2 Diesel
Motor Oil, mains: 15W-40 Chevron Delo Mulgrade
Transmission Oil: 30W Chevron Delo Single Grade
Engine Coolant: 50-50 mix, ethylene glycol and water; corrosion inhibitor added
Operang Parameters:
(all esmated)
1700 RPM 8.5 knots 8.0 GPH
2000 RPM 11.8 knots 14.0 GPH
2400 RPM 15 knots 24.0 GPH
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