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Defender Inflatables – Operation, Maintenance & Warranty Manual 

Page 8 of 16 

 

2.8.2 

Towing the boat 

 

If the boat is to be towed, the boat must be 

empty. Remove outboard, fuel tank and equipment. 

 Warning 

- Never tow your craft with people aboard. 

- Frequently inspect the towing painter. 

- Periodically check the towing conditions and 

especially that the craft is not taking in water. 

-Towing at a high or unsafe speed may void 

your warranty 

 

 

2.8.2.1  Towing of an inflatable 

 NOTE

 

IMPORTANT

: The bow lift handle should never 

be used for towing. 

Use the port and starboard D-rings for towing. 

Towing this way makes the boat steady and secure 

behind the towing boat, and helps to avoid damage 

to your Defender Inflatable boat. 

Attach the towing ropes as in the following 

scheme: 

 
 
 
 

Attach a line between the towing rings to form a 

bridal. Attach a towing line to this bridle and tow 

the boat at slow speed.  

2.8.2.2  Towing of a RIB 

Attach a line from the bow eye in the fiberglass 

hull. 

Defender Inflatables – Operation, Maintenance & Warranty Manual 

Page 9 of 16 

3. 

Safety and operation recommendations 

3.0 

Important Safety Information.  

 

Read this

Lanyard Stop Switch. 

The purpose of a lanyard stop switch is to turn off 

the engine when the operator moves far enough 

away from the operator's position (as in accidental 

ejection from the operator’s position). This would 

occur if the operator accidentally falls overboard or 

moves within the boat a sufficient distance from the 

operator's position 

Tiller handle outboards and some remote-control 

units are equipped with a lanyard stop switch. A 

lanyard stop switch can be installed as an accessory 

- generally on the dashboard or side adjacent to the 

operator's position. 

The lanyard is a cord usually between 4 and 5 feet 

in length when stretched out, with an element on 

one end made to be inserted into the switch and a 

snap on the other end for attaching to the operator. 

The lanyard is coiled to make its at-rest condition 

as short as possible to minimize the likelihood of 

lanyard entanglement with nearby objects. Its 

stretched-out length is made to minimize the 

likelihood of accidental activation should the 

operator choose to move around in an area close to 

the normal operator's position. If it is desired to 

have a shorter lanyard, wrap the lanyard around the 

operator's wrist or leg, or tie a knot in the lanyard. 

a. Lanyard cord   

b. Lanyard stop 

switch 

 

Falling overboard and accidental ejections are 

more likely to occur in certain types of boats such 

as low sided inflatables, bass boats, high 

performance boats, and light, sensitive handling 

fishing boats operated by a hand tiller. Falling 

overboard and accidental ejections are also likely to 

occur as a result of poor operating practices such as 

sitting on the back of the seat or gunwale at planing 

speeds, standing at planing speeds, sitting on 

elevated fishing boat decks, operating at planing 

speeds in shallow or obstacle infested waters, 

releasing your grip on a steering wheel or tiller 

handle that is pulling in one direction, drinking 

alcohol or consuming drugs, or daring high speed 

boat maneuvers. 

While activation of the lanyard stop switch will 

stop the engine immediately, a boat will continue to 

coast for some distance depending upon the 

velocity and degree of any turn at shut down. While 

the boat is coasting, it can cause injury to anyone in 

the boat's path as seriously as the boat would when 

under power.

  

We strongly recommend that other occupants be 

instructed on proper starting and operating 

procedures should they be required to operate the 

engine in an emergency (e.g., if the operator is 

accidentally ejected). 

 

DANGER

 

Should the operator fall out of the boat, the 

possibility of serious injury or death from being 

run over by the boat can be greatly reduced by 

stopping the engine immediately. Always 

properly connect both ends of the stop switch 

lanyard to the stop switch and the operator. It is 

unlawful to neglect this responsibility. 

 

 

Accidental or unintended activation of the 

switch during normal operation is also a possibility. 

This could cause any, or all, of the following 

potentially hazardous situations: 

 

 

Occupants could be thrown forward due to 

unexpected loss of forward motion - a 

particular concern for passengers in the front 

of the boat who could be ejected over the bow 

and possibly struck by the gear case or 

propeller. 

 

Loss of power and directional control in 

heavy seas, strong current or high winds. 

 

Loss of control when docking. 

 

 

 

DANGER

 

Avoid serious injury or death from deceleration 

forces resulting from accidental or unintended 

stop switch activation. The boat operator should 

never leave the operator's station without first 

disconnecting the stop switch lanyard from the 

operator. 

 

Page 8  

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Summary of Contents for 380

Page 1: ...Defender Inflatables Operation Maintenance Warranty Manual Defender RIB 265 300 Defender 380 430 470 Defender RIB 430 460 ...

Page 2: ...able 8 2 8 2 2 Towing of a RIB 8 Page Contents 3 Safety and operation information 3 0 Important safety information 9 3 1 Pre operating checklist 10 3 2 Stability and buoyancy 10 3 2 1 Position of persons and luggage 10 3 2 2 Rowing 10 3 2 3 Under engine power 10 3 3 Hazards 12 4 Maintenance 4 0 General maintenance 13 4 1 Repairs 14 4 1 1 Small repairs 14 4 1 2 Air leak in tube by cut 14 4 2 Winter...

Page 3: ...tion that will occur over time and as a result of heavy use misuse or negligence of the craft Any craft no matter how well built and strong can be severely damaged if not used properly Improper boat handling is also unsafe for other boaters Always adjust the speed and direction of the craft to sea conditions The craft should have onboard the appropriate USCG required safety equipment lifejackets f...

Page 4: ...wn overboard or into the boat Never be under the influence of alcohol or drugs while boating it is the law Alcohol or drug use impairs your judgment and greatly reduces your ability to react quickly Prepare other boat operators Instruct at least one other person on board in the basics of starting and operating the outboard and boat handling in case the driver becomes disabled or falls overboard Pa...

Page 5: ...ey in a clockwise position to tighten the valve If this does not stop the air loss turn counterclockwise to remove valve Inspect the valve for damage dirt or grit Reinsert valve into valve nut and tighten If air leakage persists contact Defender Industries for assistance Tel 800 628 8225 Often we can troubleshoot valve issues over the phone or by shipping you a new air valve Valves should be routi...

Page 6: ...ghtly secured as they the final seal in ensuring air tightness NOTE Never surpass these values Inflate the boat to 0 25 bar 3 6 PSI Inflate the keel to 0 40 bar 5 8 PSI Inflate the Air Floor to 0 76 bar 11 PSI 2 4 Floorboard installation Instructions to install the floorboards in the Defender aluminum floor models 380 430 470 Inflate the tube chambers enough to have some shape to the boat Make sur...

Page 7: ...egions 2 6 Deflation General information NOTE Boat should be clean and dry before rolling up for storage Remove any sand and debris that may cling to the fabric When deflating the boat deflate all chambers evenly this prevents damage to the baffles in the boat To deflate the boat Put your finger in the valve and turn turn See for operation of the valves section 2 2 the valves Release the air from ...

Page 8: ...nsafe speed may void your warranty 2 8 2 1 Towing of an inflatable NOTE IMPORTANT The bow lift handle should never be used for towing Use the port and starboard D rings for towing Towing this way makes the boat steady and secure behind the towing boat and helps to avoid damage to your Defender Inflatable boat Attach the towing ropes as in the following scheme Attach a line between the towing rings...

Page 9: ...ck of the seat or gunwale at planing speeds standing at planing speeds sitting on elevated fishing boat decks operating at planing speeds in shallow or obstacle infested waters releasing your grip on a steering wheel or tiller handle that is pulling in one direction drinking alcohol or consuming drugs or daring high speed boat maneuvers While activation of the lanyard stop switch will stop the eng...

Page 10: ...oard and readily accessible Check that the oars or paddles are in the boat in case of engine trouble Operator knows safe navigation boating and operating procedures A ring type life buoy or buoyant cushion designed to be thrown to a person in the water Arrange passengers and load in the boat so that the weight is distributed evenly and everyone is seated in a proper seat or on the floor Instruct a...

Page 11: ...for an instant This will bring the boat to a nearly instantaneous stop and can send the occupants flying forward The boat may also steer sharply to one side When accelerating with the boat the bow can make an upward movement This might limit the sight of the helmsman temporarily When the speed of the boat increases the boat will come on plane and return to a level position again If the wind blows ...

Page 12: ...ure Your Defender Inflatable boat is designed with more than one air chamber In the event of a puncture in one chamber the boat will retain at least 50 of its buoyancy Shift the load in the craft to the opposite side Secure the leaking chamber as necessary by tying up or holding up and immediately proceed to the nearest shore or mother ship whichever is nearest However be careful about shallows or...

Page 13: ...ard engine when people are swimming close to your boat The propeller can be extremely dangerous to anyone or anything in the water Stop the outboard motor immediately if you spot swimmers in the vicinity of your boat 4 Maintenance 4 0 General maintenance Cleaning agents Household cleaners should be used sparingly and not discharged into waterways Never mix cleaners and be sure to use plenty of ven...

Page 14: ...er the damaged area and trace with a pencil the outline of the patch If the fabric of your boat is CSM you have to buff roughen with sandpaper the patch area on the boat as well as the backside of the patch PVC need not be buffed for repair Use care when sanding the surface around the puncture and the patch Lightly scuff with the sandpaper evenly Avoid sanding so roughly that the thread of the fab...

Page 15: ...oat during storage 5 If you store your boat for a longer period do not keep the boat in the delivered factory carton The boat is folded tightly in the original shipping package which gives sharp folds in the material Roll or fold up the boat loosely and store it on a dry place away from rodents or pests that can damage the fabric To avoid damaging the boat during storage do not place heavy objects...

Page 16: ...preparing for racing or other competitive activity G Acts of God including but not limited to abnormal water wind or weather conditions etc H Damages or corrosion due to lack of maintenance or premature wearing resulting from improper assembly over under inflation etc I Operation of product in a manner that is contrary to this manual or in violation of federal or state laws III This warranty does ...

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