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OPERATING THE CRAFT

45 Silver Line S370N, S420N Owner’s Manual

Remember that changes in ambient temperature will change the inflation pressure within
the tube. A tube that is over-inflated in the morning can be damaged by a significant
increase of temperature in the afternoon.

IF THE PRESSURE WITHIN THE TUBE BECOMES EXCESSIVE, THE GLUED JOINTS MAY
BE DAMAGED.

If the ambient temperature rises significantly or you intend leaving the boat in direct
sunlight, we recommend you relieve the air pressure in each chamber. It is strongly
recommended that the boat be kept in the shade or under cover when not in use.

DO NOT USE SOURCES OF HIGH PRESSURE COMPRESSED AIR FOR INFLATING THE TUBE.
EXCESSIVE PRESSURE CAN DAMAGE THE GLUE JOINTS AND THE INTERNAL WALLS.

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Summary of Contents for S370N

Page 1: ......

Page 2: ...CONTENTS...

Page 3: ......

Page 4: ...CONTENTS...

Page 5: ...aximum 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 R...

Page 6: ...ntification 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...

Page 7: ...6 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 Te...

Page 8: ...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 pa...

Page 9: ...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 Regul...

Page 10: ...TABLE OF CONTENTS 10 Warranty period 102 Warranty coverage 103 Warranty exclusions 104 Warranty certificate 105 For your notes 106...

Page 11: ...se 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 extr...

Page 12: ...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 directs your attention...

Page 13: ...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 r...

Page 14: ...ory 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...

Page 15: ...AL 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 TEC...

Page 16: ...CING 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 T...

Page 17: ...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 d...

Page 18: ...som 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 DRAI...

Page 19: ...som 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...

Page 20: ...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...

Page 21: ...t all times and that conditions on the water can change suddenly with little prior notice Before using your boat it is strongly recommended that appropriate training is given to all crew members in th...

Page 22: ...ined by your dealer or a qualified technician and any defects are repaired NEGLECTING REGULAR INSPECTIONS AND REPAIRS MAY LEAD TO A SERIOUS INJURY OR DAMAGE AND WILL REDUCE THE LIFE OF YOUR BOAT RISK...

Page 23: ...R LEAKS DO NOT SMOKE OR USE AN OPEN FLAME WHEN FUELING THE BOAT BATTERY 1 AVOID SPARKS AND EXPOSED FLAMES NEAR BATTERY IT MAY EXPLODE 2 KEEP BATTERY TERMINALS PROTECTED SO AS TO AVOID A SHORT CIRCUIT...

Page 24: ...for correct procedures before using the engine BE SURE THE ENGINE IS NOT IN GEAR BEFORE ATTEMPTING TO START IT MAN OVERBOARD PREVENTION AND RECOVERY Man overboard prevention The working deck has an an...

Page 25: ...way MEANS OF REBOARDING Due to low freeboard there are no specific devices to re board When using safety handles caution must be paid to prevent the boat from capsizing Make sure the engine switched o...

Page 26: ...of trip The type of safety equipment required will depend on local or national regulations In most countries safety equipment of the following type is required Emergency Engine Kill Switch Lanyard Per...

Page 27: ...IMUM WEIGHT FOR THE CRAFT MAKE SURE YOUR PASSENGERS REMAIN SEATED ON SEATS OR ON THE FLOOR AVOID SITTING ON TUBES AVOID BOW RIDING AS IT MAY BE ILLEGAL AND IS EXTREMELY DANGEROUS DO NOT MAKE SHARP TUR...

Page 28: ...ry boat has Watercraft Identification Number WIN which uniquely identifies your boat and is important for safety and identification purposes The WIN is marked on a non removable metal plate which is f...

Page 29: ...maximum authorized distance you can navigate from a port etc may vary according to the country or state Fig 5 Builder s plate 1 Design category 2 MODEL Catalogue name or model number 3 Maximum number...

Page 30: ...ve 2013 53 EU Category C D Navigation Inshore Protected water Wind speed Beaufort scale Up to and including F6 Up to and including F4 Significant height of wave to consider in meters Up to and includi...

Page 31: ...uickly If the weather suddenly changes and conditions become rough Try to find shelter as soon as possible because riding out a storm at sea can be extremely dangerous Reduce speed whilst maintaining...

Page 32: ...at operation to all passengers 5 ENSURE that at least one passenger is able to operate the craft and motor provide training as needed 6 FAMILIARISE all passengers with safety procedures and drills 7 L...

Page 33: ...kill switch functions correctly Check the load is evenly distributed Check that all required safety equipment is on board See also SAFETY EQUIPMENT in the section SAFETY Check that each passenger has...

Page 34: ...boat Always operate your boat with courtesy and respect for others Respect local regulations and practices Near the shore navigate within designated boating areas Always be sure that you can reach she...

Page 35: ...console CS 01W CS 03 Align holes in the windscreen with holes in the console overhead part Fix windscreen by means of the screws M6x25 bushes washers and nuts M6 from the complete set For steering con...

Page 36: ...n manual Replace and fix overhead part of the steering console by means of washers and nuts M8 from complete set Tighten all the bolts and nuts Fig 7 Installation of steering console CL 11 TO AVIOD TH...

Page 37: ...ts own installation manual Replace and fix overhead part of the steering console by means of washers and nuts M8 from complete set Tighten all the bolts and nuts Fig 8 Installation of steering console...

Page 38: ...washer see Fig 9 Tighten all the bolts Place the seat back Fig 9 Installation of container TO AVIOD THE WATER PENETRATION INTO THE CONSOLE AND HULL INNER LAYERS PLEASE TIGHT ALL THE HOLE FREE SPACE WI...

Page 39: ...e Option 1 If the boat is equipped with a valve as shown in figure 10 follow the instructions below Fig 9 Inflation valve option 1 To inflate the tube chamber first open the valve cap by turning it ab...

Page 40: ...dle is in the normal closed position the valve operates as a check valve and opens when air is pumped into the tube To release air from the tube press down and hold the spindle If you need to fully de...

Page 41: ...tube chambers use the foot pump fig 12 supplied Fig 12 Foot pump Fig 13 Special adapter Insert the end of the hose into the inflation valve using one of the adapters supplied fig 13 Make sure the adap...

Page 42: ...cap turn it a quarter counter clockwise The plunger should be in the upper closed position Fig 14 Inflation valve option 2 Begin the inflation procedure according to the sequence shown in figure 14 I...

Page 43: ...deflate the tube chamber fully depress and then release the plunger so that it locks in the lower open position To inflate the tube you can also use a small electric boat pump IF YOU USE A SMALL ELEC...

Page 44: ...about 10 mm inch this indicates that the pressure is approximately correct After the tube chambers have been inflated to the nominal pressure replace the valve caps valve options 1 and 2 Fit the caps...

Page 45: ...IF THE PRESSURE WITHIN THE TUBE BECOMES EXCESSIVE THE GLUED JOINTS MAY BE DAMAGED If the ambient temperature rises significantly or you intend leaving the boat in direct sunlight we recommend you rel...

Page 46: ...and 17 It serves to protect the tube from over inflation and excess pressure build up due to solar heat Without strainer With strainer Fig 16 Overpressure valve option 1 Fig 17 Overpressure vale optio...

Page 47: ...on of the motor on your boat Fig 18 Optimum trim The optimum position is with the propeller axis parallel with the water Fig 19 Trim up If the motor is tilted too far outwards from the transom the boa...

Page 48: ...the engine kill switch lanyard is to turn off the engine if for any reason the operator is removed from the steering position WHEN THE ENGINE IS RUNNING THE KILL SWITCH LANYARD SHOULD ALWAYS BE WORN O...

Page 49: ...See also ELECTRICAL SYSTEMS in the section SAFETY and in emergency cases Fig 22 Battery isolator switch Specification Operating voltage up to 48 Volt DC Nominal current 250 A Max current 450 A 5 min...

Page 50: ...RATING THE CRAFT 50 SWITCH PANEL Use the following switches located on the steering console to switch on off a horn navigation lights and bilge pump Horn Navigation lights Bilge pump Fig 23 Switch pan...

Page 51: ...ring console To change a fuse push then turn counterclockwise a cup with a screwdriver then pull out a blown fuse and replace it with a new one Screw the cup initially push it then turn clockwise A ra...

Page 52: ...1 9 m3 h with zero head Power 12 V 1 6 Maximum head 3 m Connection 3 4 Switching the bilge pump on and off is done manually by using the switch located on the steering console Check the operation of...

Page 53: ...ICABLE Fig 26 Folding navigation arch Navigation arch is equipped with side navigation lights all round light and horn If needed navigation arch can be easily stored See the description of above eleme...

Page 54: ...e switch on the steering console to turn the navigation lights on and off when needed HORN The horn serves as a warning to other craft and individuals when setting off mooring or in other safety relat...

Page 55: ...Silver Line S370N S420N Owner s Manual LIFTING EYES The boat is fitted with lifting eyes at the bow and rear fig 27 28 Use these eyes to lift the boat Fig 27 Bow lifting eyes 2 positions Fig 28 Rear l...

Page 56: ...ocedure When anchoring your boat make sure that you will not create a potentially dangerous situation for yourself other boats or people ANCHOR ONLY IN AREAS WHERE YOUR BOAT WILL NOT HINDER OTHER BOAT...

Page 57: ...RATING THE CRAFT 57 Silver Line S370N S420N Owner s Manual MOORING Use the bow towing eye and rear lifting eyes for mooring Fig 29 Bow towing eye Fig 30 Rear lifting eyes Rear lifting eyes Bow towing...

Page 58: ...sure rain water does not accumulate in the boat Breaking strength of rear lifting eye kN S370N S420N 6 2 7 4 THE BREAKING STRENGTH OF LINES SHALL IN GENERAL NOT EXCEED 80 OF THE BREAKING STRENGTH OF T...

Page 59: ...rds can damage the hull tube motor or propeller Do not power the boat onto land as serious damage to the hull and tube may result Do not drag the boat across rough or abrasive surfaces rocks concrete...

Page 60: ...or advice and select the correct line for your application Do not tow with three strand nylon rope Fasten the towed boat securely and observe it continuously Avoid towing a tender over long distances...

Page 61: ...nual TOWING EYE The towing eye is located at the bow Breaking strength of bow towing eye kN S370N S420N 6 2 8 5 THE BREAKING STRENGTH OF LINES SHALL IN GENERAL NOT EXCEED 80 OF THE BREAKING STRENGTH O...

Page 62: ...OPERATING THE CRAFT 62 BOW LOCKER AND DOUBLE SEAT LOCKER IF APPLICABLE Fig 32 Bow locker Fig 33 Double seat locker Removable cushion Base and sport...

Page 63: ...s Manual REMOVABLE SUNDECK WITH CUSHION S420NL IF APPLICABLE Fig 34 Removable sundeck with cushion ALWAYS STORE REMOVABLE SUNDEC INSIDE THE STORAGE COMPARTMENT IF YOU ARE PLANNING TO CRUISE AT MORE T...

Page 64: ...OPERATING THE CRAFT 64 BOW STEP PLATE IF APPLICABLE Fig 35 Bow step plate Cleat Anchor roller...

Page 65: ...OPERATING THE CRAFT 65 Silver Line S370N S420N Owner s Manual REMOVABLE SEAT CUSHIONS WITH BAG FOR S370N IF APPLICABLE Fig 36 Removable seat cushions with bag...

Page 66: ...OLLAPSIBLE BIMINI TOP IF APPLICABLE Fig 37 Collapsible bimini top USE A BIMINI TOP WHEN YOUR BOAT IS NOT IN MOTION KEEP BIMINI TOP IN STOWED POSITION IF YOU PLANNING TO CRUISE AT MORE THAN 20 25 KNOTS...

Page 67: ...absorption which decreases fatigue Protection for boat surfaces against scratches chips and dents Noise reduction characteristics ideal for fishermen The following area of your boat depending on the m...

Page 68: ...2 420 13 9 420 13 9 Length internal cm ft inches 270 8 10 270 8 10 310 10 2 310 10 2 Beam width cm ft inches 185 6 1 185 6 1 195 6 5 195 6 5 Width internal cm ft inches 92 3 0 92 3 0 101 3 4 101 3 4...

Page 69: ...40 700 1540 Passenger capacity Number 2 3 6 6 Maximum height light craft m ft inches 0 7 2 3 0 7 2 3 0 6 1 9 0 6 1 9 Maximum draft fully loaded from hull s underside lowest point m ft inches 0 3 0 9 0...

Page 70: ...with access cover Two wooden seats BASE only Two paddles SPORT DELUXE two oars oarlocks BASE Towing bow eye two front and two rear lifting eyes Bow grab handle and safety grab handles Doubled draining...

Page 71: ...OPTIONAL EQUIPMENT Removable sundeck with soft cushion S420NL Complete electric package Fiberglass step ends for inflatable tube Folding stainless steel navigation arch Removable seat cushions with b...

Page 72: ...TECHNICAL DETAILS 72 COMPARTMENT CHART 1 Bow locker 2 Console storage 3 Double seat locker 4 Rear open storage volume 5 Drain well Fig 39 Compartment chart...

Page 73: ...S370N NF S420N NF 1 Buoyancy inflatable tube 2 Inflation deflation valve 3 Wooden seat 4 Oar paddle 5 Oarlock 6 Oar stowage 7 Safety handle 8 Bow grab handle 9 Fiberglass hull 10 Rubbing strake with...

Page 74: ...S370NS NSF S420NS NSF 1 Buoyancy inflatable tube 2 Rubbing strake with splash guard 3 Safety handle 4 Fiberglass hull 5 Steering console 6 Rear lifting eye 7 Fiberglass step end Fig 41 General arrange...

Page 75: ...S420NL NLF 1 Buoyancy inflatable tube 2 Rubbing strake with splash guard 3 Safety handle 4 Fiberglass hull 5 Steering console 6 Fiberglass step end 7 Double seat 8 Bow step plate 9 Bow locker 10 Fold...

Page 76: ...icator optional 6 Tachometer optional 7 Switches 8 Front seat 9 Fig 43 Steering console components When your trip is finished always remove the key from the ignition switch This will prevent theft or...

Page 77: ...TECHNICAL DETAILS 77 Silver Line S370N S420N Owner s Manual GENERAL VIEW OF A BOAT S370N Fig 44 General view of a boat S370N...

Page 78: ...TECHNICAL DETAILS 78 GENERAL VIEW OF A BOAT S370NF Fig 45 General view of a boat S370NF...

Page 79: ...TECHNICAL DETAILS 79 Silver Line S370N S420N Owner s Manual GENERAL VIEW OF A BOAT S370NS Fig 46 General view of a boat S370NS...

Page 80: ...TECHNICAL DETAILS 80 GENERAL VIEW OF A BOAT S370NSF Fig 47 General view of a boat S370NSF...

Page 81: ...TECHNICAL DETAILS 81 Silver Line S370N S420N Owner s Manual GENERAL VIEW OF A BOAT S370NL Fig 48 General view of a boat S370NL...

Page 82: ...TECHNICAL DETAILS 82 GENERAL VIEW OF A BOAT S370NLF Fig 49 General view of a boat S370NLF...

Page 83: ...TECHNICAL DETAILS 83 Silver Line S370N S420N Owner s Manual LOADING PASSENGERS FOR S370N S370NF Fig 50 Recommended seating arrangement for 5 persons...

Page 84: ...TECHNICAL DETAILS 84 LOADING PASSENGERS FOR S370NS S370NSF Fig 51 Recommended seating arrangement for 5 persons...

Page 85: ...TECHNICAL DETAILS 85 Silver Line S370N S420N Owner s Manual LOADING PASSENGERS FOR S370NL S370NLF Fig 52 Recommended seating arrangement for 5 persons...

Page 86: ...TECHNICAL DETAILS 86 GENERAL VIEW OF A BOAT S420N Fig 53 General view of a boat S420N...

Page 87: ...TECHNICAL DETAILS 87 Silver Line S370N S420N Owner s Manual GENERAL VIEW OF A BOAT S420NS Fig 54 General view of a boat S420NS...

Page 88: ...TECHNICAL DETAILS 88 GENERAL VIEW OF A BOAT S420NL Fig 55 General view of a boat S420NL...

Page 89: ...TECHNICAL DETAILS 89 Silver Line S370N S420N Owner s Manual LOADING PASSENGERS FOR S420N S420NF Fig 56 Recommended seating arrangement for 8 persons...

Page 90: ...TECHNICAL DETAILS 90 LOADING PASSENGERS FOR S420NS S420NSF Fig 57 Recommended seating arrangement for 8 persons...

Page 91: ...TECHNICAL DETAILS 91 Silver Line S370N S420N Owner s Manual LOADING PASSENGERS FOR S420NL S420NLF Fig 58 Recommended seating arrangement for 8 persons...

Page 92: ...TECHNICAL DETAILS 92 ELECTRICAL SCHEMATIC DIAGRAM Fig 59 Electrical schematic diagram...

Page 93: ...parts free of any chemical components such as o Gasoline grease oil and any other oily product o Suntan oils lotions and any other body care products o Pollution products dirt and dust o Silicon based...

Page 94: ...nd make sure that no soap residue remains on the surface Then dry by wiping off the surface with a soft cloth DO NOT USE Any cleaning device that might cause mechanical damage to the surface such as h...

Page 95: ...natural release of pressure see the information below can occur Make sure that There are no material cracks holes and leaks All inflation valves and seams are intact ISO 6185 standard permits up to 2...

Page 96: ...ge o Step 1 check the inflation deflation valves and overpressure valves o Step 2 check the major seams o Step 3 check the tube material from top to bottom Contact your Dealer for advice if necessary...

Page 97: ...oat keep it in a clean and dry place so that is not affected by major variations in temperature and other conditions You may store the boat o Assembled and partly inflated with a cover so as to protec...

Page 98: ...d all other safety related equipment Check frequently the tightness of various screws bolts and nuts with particular attention to those holding the engine onto the transom Also check all steering syst...

Page 99: ...serious traffic accidents and is one of the major causes of boat damage Fig 60 Trailer LIFTING THE BOAT To lift the boat and place it on davits use the factory fitted lifting eyes only or have them in...

Page 100: ...that provide large contact areas for the hull The boat must be properly inflated and the cockpit drain valves open Haul the boat onto the trailer using the bow eye Make sure that the outboard engine l...

Page 101: ...EXCESSIVE WASH KEEP OUT OF DESIGNATED SWIMMING AREAS RESPECT ALL ANIMAL LIFE BE CAREFUL NOT TO OVERFILL THE FUEL TANK DON T MAKE UNNECESSARY NOISE DO NOT DISCHARGE OIL OR FUELS INTO THE WATER DO NOT L...

Page 102: ...m an Authorised Grand Marine Reseller By using the Grand Inflatable Boats the owner and operator understands and agree to undertake all instructions in the Grand Owner s Manual and agrees to all warra...

Page 103: ...his warranty is limited to repair or at Grand option replacement of parts suffering from any of the defects described above during the warranty period The judgment of Grand is final concerning the ext...

Page 104: ...r s Manual Operating the craft beyond the design category Damage caused by improper or lack of maintenance winterization or storage Damage caused by abuse impact accident misuse abnormal use or strain...

Page 105: ..._________________________________ Signature __________________________________________ Dealer address _____________________________________ City ______________ Post code _______________________ Date o...

Page 106: ...FOR YOUR NOTES...

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