Grand S370N User manual

CONTENTS

CONTENTS

TABLE OF CONTENTS
5Silver Line S370N, S420N Owner’s Manual
Safety information .................................................................................................................................... 11
Introduction ............................................................................................................................................... 11
Precautionary symbols.............................................................................................................................12
General information..................................................................................................................................14
Maximum number of persons .................................................................................................................15
Maximum loading capacity......................................................................................................................15
Engine information ...................................................................................................................................16
Risk of flooding and stability...................................................................................................................17
Risk of flooding and stability..........................................................................................................20
Bilge pumps and bailing ...................................................................................................................20
Stability and buoyancy.............................................................................................................................21
Risk of fire or explosion ..........................................................................................................................22
Electrical systems - Safety rules ............................................................................................................24
Engine starting .........................................................................................................................................24
Man-overboard prevention and recovery ............................................................................................24
Means of reboarding ...............................................................................................................................25

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6
Danger from moving parts .......................................................................................................... 25
Safety equipment.......................................................................................................................... 26
Safety driving rules........................................................................................................................27
Boat identification......................................................................................................................... 28
Boat’s Identification number....................................................................................................... 28
Builder’s plate................................................................................................................................ 29
Before operating your craft .......................................................................................................... 31
Weather........................................................................................................................................... 31
Checklist before departure .......................................................................................................... 31
General ............................................................................................................................................32
Checking the boat and equipment..............................................................................................33
Rules to observe when afloat.......................................................................................................34
Operating the craft ....................................................................................................................... 35
Windscreen installation................................................................................................................ 35
CL-11 steering console installation ............................................................................................. 36
CS-01W/CS-03 steering console installation .............................................................................37

TABLE OF CONTENTS
7Silver Line S370N, S420N Owner’s Manual
Container installation ....................................................................................................................38
Tube inflation................................................................................................................................. 39
Overpressure valve (if fitted)....................................................................................................... 46
Motor installation ...........................................................................................................................47
Navigation lights ........................................................................................................................... 54
horn................................................................................................................................................. 54
Anchoring and mooring ............................................................................................................... 56
Anchoring....................................................................................................................................... 56
Mooring ...........................................................................................................................................57
beaching, Launching and recovering the boat from the water ............................................. 59
Towing............................................................................................................................................ 60
Technical information................................................................................................................... 68
Technical specificationS .............................................................................................................. 68
Standard and optional equipment ..............................................................................................70
Compartment chart...................................................................................................................72
General arrangement of a Boat S370N (NF), S420N (NF).......................................................73

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8
General arrangement of a Boat S370NS (NSF), S420NS (NSF) .............................................74
General arrangement of a Boat S370NL (NLF), S420NL (NLF)...............................................75
Steering console components..............................................................................................76
General view of a boat S370N.....................................................................................................77
General view of a boat S370NF...................................................................................................78
General view of A boat S370NS..................................................................................................79
General view of A boat S370NSF............................................................................................... 80
General view of A boat S370NL .................................................................................................. 81
General view of A boat S370NLF ............................................................................................... 82
Loading passengers for S370N (S370NF)........................................................................83
Loading passengers for S370NS (S370NSF) ................................................................. 84
Loading passengers for S370NL (S370NLF).................................................................. 85
General view of a boat S420N ............................................................................................ 86
General view of a boat S420NS ..........................................................................................87
General view of a boat S420NL.......................................................................................... 88
Loading passengers for S420N (S420NF)...................................................................... 89

TABLE OF CONTENTS
9Silver Line S370N, S420N Owner’s Manual
Loading passengers for S420NS (S420NSF)................................................................. 90
Loading passengers for S420NL (S420NLF) .................................................................. 91
Electrical schematic diagram............................................................................................... 92
Service and maintenance ............................................................................................................ 93
Cleaning ......................................................................................................................................... 93
Cleaning of tube ....................................................................................................................... 94
Airtightness of the inflatable tube .................................................................................... 95
Maintenance of stainless steel ....................................................................................................97
Winterizing and storage................................................................................................................97
Regular inspections...................................................................................................................... 98
Trailering ........................................................................................................................................ 99
Lifting the boat .............................................................................................................................. 99
Boat towing...................................................................................................................................100
Show respect for the environment.............................................................................................101
Grand’s warranty..........................................................................................................................102
General ..........................................................................................................................................102

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Warranty period ...........................................................................................................................102
Warranty coverage ......................................................................................................................103
Warranty exclusions ....................................................................................................................104
Warranty certificate .....................................................................................................................105
For your notes ..............................................................................................................................106

SAFETY
11 Silver Line S370N, S420N Owner’s Manual
SAFETY INFORMATION
INTRODUCTION
Thank you for choosing a Grand boat.
If you need assistance or advice please contact your Grand Dealer or Distributor who has qualified
specialists, special tools, original spare parts and accessories and will be happy to assist.
This Manual provides an overview for the safe operation of your Grand boat. Please take time to read
it carefully so as to become familiar with your new boat. Make sure that you fully understand the
controls and instructions before operating the boat. Improper operation can be extremely dangerous!
Please, note that most boating-related accidents happen when safety instructions are ignored. We
want you to enjoy your experience on your boat so please be sure to take our guidance seriously and
comply with safety instructions at all times.
The basic safety rules are stated throughout the Manual, additional precautions are indicated by the
special PRECAUTIONARY SYMBOLS:

SAFETY
12
PRECAUTIONARY SYMBOLS
The following precautionary symbols are used throughout this Manual:
Denotes that an extreme intrinsic hazard exists which would
result in a high probability of death or serious injury if proper
precautions are not taken.
Denotes that a hazard exists which can result in injury or death if
proper precautions are not taken.
Denotes a reminder of safety precautions or direc
ts your
attention to unsafe practices which could result in personal injury,
damage to the craft or components or the environment.
PLEASE NOTE that in some countries a boat operating license or other form of authorization may
be required.

SAFETY
13 Silver Line S370N, S420N Owner’s Manual
Operators should be familiar with the use of all safety equipment and emergency procedures (e.g.
man overboard recovery, towing etc.). We strongly recommend that appropriate training is
undertaken from a recognized boating and/or safety organization prior using your boat.
Please note that in some countries it is a mandatory requirement to wear a buoyancy aid.
Some information may not apply to your boat since standard and optional equipment may vary
from model to model.
Data sheets and specifications given in this manual relate to the boat's characteristics at the time
of publishing. Grand reserve the right to introduce changes in specifications and equipment
without notice and without obligation.
We continually work with our customers to improve quality and to ensure you will be completely
satisfied with your Grand boat.
If you have any additional questions after reading this manual, please feel free to ask for your
dealer.
PLEASE KEEP THIS MANUAL IN A SECURE PLACE, AND HAND IT OVER TO THE NEW OWNER
WHEN YOU SELL THE CRAFT.

SAFETY
14
GENERAL INFORMATION
Name of craft Manufacture: GRAND MARINE. Models: S370N, S370NF, S370NS, S370NSF,
S370NL, S370NLF, S420N, S420NF, S420NS, S420NSF, S420NL, S420NLF.
According to the Recreational Craft Directive 2013/53/EU of the European Parliament and of the
Council of 20th November 2013, which is in force, your boat has design category: C, i.e., the craft
is designed to operate in the following conditions:
Wind (Beaufort scale) up to and including Force 6.
Significant wave height (H1/3, meters) up to and including 2 meters.
Explanatory note:
A watercraft given design category C is considered to be designed for a wind speed up to and
including Force 6 and significant wave height up to and including 2 m.
BE RESPONSIBLE, TAKE NOTICE OF THESE PARAMETERS WHEN YOU PLAN YOUR NAVIGATION
PROGRAM AND DO NOT BOAT IF THE WIND/WAVE CONDITIONS ARE LIKELY TO EXCEED THESE
PARAMETERS.

SAFETY
15 Silver Line S370N, S420N Owner’s Manual
MAXIMUM NUMBER OF PERSONS
The Maximum number of people (adults + children) authorized to be on board according to design
standards ISO 6185, ISO 14946 and ISO 12217 is given in the technical data sheet in the
“TECHNICAL INFORMATION” section.
DO NOT EXCEED THE MAXIMUM RECOMMENDED NUMBER OF PEOPLE. REGARDLESS OF THE
NUMBER OF PEOPLE ON BOARD, THE TOTAL WEIGHT OF PEOPLE AND EQUIPMENT MUST
NEVER EXCEED THE MAXIMUM RECOMMENDED LOAD. ALWAYS USE THE SEATS/SEATING
SPACES PROVIDED.
MAXIMUM LOADING CAPACITY
You can find the maximum load capacity in the “TECHNICAL INFORMATION” section in this Manual.
It is also shown on the manufacturer’s plate affixed to the hull. Please note that the maximum load
capacity includes the weight of all people onboard, outboard engine, provisions, personal effects,
and additional equipment. Note that excess and unevenly distributed load within the boat can
create unstable steering conditions and even loss of control.

SAFETY
16
WHEN LOADING THE CRAFT, NEVER EXCEED THE MAXIMUM RECOMMENDED LOAD. ALWAYS
LOAD THE CRAFT CAREFULLY AND DISTRIBUTE LOADS APPROPRIATELY TO MAINTAIN DESIGN
TRIM (APPROXIMATELY LEVEL). AVOID PLACING HEAVY WEIGHTS HIGH UP.
ENGINE INFORMATION
Information about recommended engine capacities, maximum engine capacities, maximum engine
weights for each model are given in the technical data sheet of “TECHNICAL INFORMATION”
section.
NEVER USE A MOTOR WITH A POWER OUTPUT GREATER THAN THE MAXIMUM
RECOMMENDED, OR HEAVIER THEN INDICATED ON THE MANUFACTURER'S PLATE. THIS
COULD RESULT IN LOSS OF CONTROL.

SAFETY
17 Silver Line S370N, S420N Owner’s Manual
RISK OF FLOODING AND STABILITY
HULL DRAINAGE
NEVER OPEN THE HULL DRAIN PLUG WHEN AFLOAT.
To drain the hull remove the plug (fig. 1).
Fig. 1. The hull drain plug is located on the transom.
After removal refit and re-tighten (do not over-tighten) the plug before using the boat.
Hull drain plug

SAFETY
18
COCKPIT DRAINAGE OF S370N
The boat is equipped with one cockpit drain valve located at the transom.
NEVER OPEN THE COCKPIT DRAIN VAVLE WHEN AFLOAT.
Fig. 2. Cockpit drain valve.
WHEN THE BOAT IS ON LAND/DAVIT OR TRAILER, OPEN THE COCKPIT DRAIN VALVE SO THAT
WATER (RAINWATER, FOR INSTANCE) CAN EASILY DRAIN OUT OF THE BOAT AND NO DAMAGE
TO THE INTERNAL COMPONENTS (E.G THE BATTERY) WILL OCCUR.
Cockpit
drain valve

SAFETY
19 Silver Line S370N, S420N Owner’s Manual
COCKPIT DRAINAGE OF S420N
The boat is equipped with two cockpit drain plugs located at the transom.
NEVER OPEN THE HULL COCKPIT DRAIN PLUGS WHEN AFLOAT.
Fig. 3. Cockpit drain plugs.
WHEN THE BOAT IS ON LAND/DAVIT OR TRAILER, OPEN THE COCKPIT DRAIN PLUGS SO THAT
WATER (RAINWATER, FOR INSTANCE) CAN EASILY DRAIN OUT OF THE BOAT AND NO DAMAGE
TO THE INTERNAL COMPONENTS (E.G THE BATTERY) WILL OCCUR.
Main cockpit
drain plug
Additional cockpit
drain plug

SAFETY
20
RISK OF FLOODING AND STABILITY
BILGE PUMP (OPTIONAL) AND BAILING
The craft can be equipped with a bilge pump and drain pipe. In this case use a switch located on
the steering console to turn it on/off.
THE BILGE PUMP SYSTEM IS NOT DESIGNED FOR DAMAGE CONTROL.
CHECK BILGE PUMPS REGULARLY TO MAKE SURE THEY ARE WORKING. CLEAR DEBRIS FROM
PUMP INLETS.