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Start the scooter at slow-speed

The body to reach a horizontal position

Create negative buoyancy

Pull the scooter up

Bring the scooter directly below the body

 Take hold of the accelerator unit and bring the scooter directly below the body.

 Pull the scooter up to a riding position.

 While adjusting the body to reach a horizontal position, gradually build up speed and take off.

 Once stabilized, the key is to make your buoyancy slightly negative, or to descend in the water to

 

 create negative buoyancy.

 Start the scooter at slow-speed by pulling the accelerator lever slightly. 

 

 The scooter itself will move toward the body, eliminating any sense of instability.

 

 Be careful not to be pushed suddenly upward by the scooter.

Be careful not to be

pushed suddenly upward!

■ 

Taking off from a hovering position.

SPEED     4

6

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Speed up

Upturn

 The force of positive buoyancy

 The power generated

 

 by the scooter

 Diver's negative buoyancy

Direction

Riding at the water's surface is also possible with the scooter. By wearing equipment designed for skin

diving (mask, snorkel, and fins, and appropriate amount of weight on the hips), the diver can easily move around

the water's surface.

When riding at slow-speed, it is necessary to 

adjust your buoyancy slightly using a buoyancy

compensator (B.C.).

In doing so, the diver's legs will sink due to the

weight of the scooter, making the upper body rises

up slightly.

In order to balance out the upward force caused

by the lowering of the scooter and the diver's

negative buoyancy, the revolution speed of the

propeller and the angle of the scooter must be

adjusted.

Making turns using the body to help steer is not as effective when riding at low-speed.

To make a left or right turn, lean the upper body while in an up upright angle / position in the direction of the turn,

and the scooter itself will begin to move in that direction.

■ 

Surface riding

■ 

Slow speed riding (propeller pitch = 2 or 3 ; accelerator position = 4 - 6)

Riding

Normal riding

Back riding

Head first riding

Pay attention of

equalizing ears !

29

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Summary of Contents for SAV-7 EVO2

Page 1: ...Instruction Riding Manual TUSA Underwater Vehicle SAV 7 EVO2...

Page 2: ...nderwater vehicle is not a heavy burden The hands free riding style decreases fatigue reduces air consumption and extends your dive time In the past some divers have become fatigued from the energy an...

Page 3: ...rger Charging the battery Battery warranty Battery care Check before use confirming operations Entry method Exit How to operate Maintenance after use Note on maintenance and storage The propeller does...

Page 4: ...during training under the supervision of an instructor attached to an entity providing diving instruction Amateurs lacking knowledge of basic scuba diving techniques risk serious injury or death Never...

Page 5: ...e scooter to the surface as there are dangers caused by rapid ascent Please only charge the battery in a well ventilated area and keep it away from an open flame Otherwise there is a danger of an expl...

Page 6: ...Body Motor REV reducer Speed adjuster Safety devices Accessories 720mm 340mm 20 4kg with battery 0 5kg 0 4 5km h It depends on the divers posture physique and equipment approx 70m 9400m Shock resistan...

Page 7: ...ppon Sensuiki Supplied separately AC plug Charger body Charger plug Please refer to the handling manual that is attached to each product explaining usage of the battery and charger Separately purchase...

Page 8: ...seal A locking mechanism is attached to the locking buckle to prevent it from releasing as a result of unexpected shocks First while pushing the square button in the center of the locking buckle lift...

Page 9: ...ttery connector is not connected open circuit but the power is on The color of LED2 will indicate when charging is completed LED1 Power ON Red LED2 Charging Red Remove the connector Finished Green Cha...

Page 10: ...perature source examples fire heating machine and ect Never upside down the positive and negative Never cut the battery in socket directly Never throw the battery into fire or heating machine Never co...

Page 11: ...e are no scratches and that an appropriate amount of silicone grease has been used Check the switch of Battery Selection Switch to same position as the battery type Place the battery housing head Assy...

Page 12: ...or LEAD ACID Ni MH to ensure an accurate display of the remaining battery life Refer to STEP 2 on page 15 The display accuracy may be affected by an exhausted battery and ambient temperature Please re...

Page 13: ...ol dial knob to make adjustments to the propeller angle Push the dial back after speed selection SAV 7 EVO2 DPV Confirm that pitch operation moves smoothly through the three stages SAV 7 EVO2 DPV Reco...

Page 14: ...just slightly negative While hands free riding it s very easy to use the scooter in shallow water even up to waist deep You don t need to stay on the bottom in shallow water You can enjoy cruising al...

Page 15: ...opeller becomes entangled or otherwise obstructed The scooter is equipped with a safety sensor to protect the motor from burn out and deterioration caused by overloading If the safety device is activa...

Page 16: ...er is present please desalt it away drain completely Please drain all water completely Please check the O ring O ring groove and O ring surface and remove any dust sand or debris Check for any scratch...

Page 17: ...Assy and body Assy and two smaller ones between the body Assy and propeller Assy You must replace these O rings if they are in any way damaged deformed or creased We highly recommend that these O ring...

Page 18: ...ng even after all the above points were addressed and checked Check4 Is the battery charged Check3 Can you push the red accelerator unit switch button on the side of the scooter main body down firmly...

Page 19: ...e propeller cover during regular or high speed runs keeping fins even with the propeller shaft of the scooter The water current created by the propeller will hit the fins This will help counter the fo...

Page 20: ...ing the wing arms the carrying capabilities are vastly improved Long distance travel is made possible The SAV 7 EVO2 can travel underwater distances of around 7 200 meters when a Li ion battery is use...

Page 21: ...propeller by lowering the accelerator lever Using the same hand that moved the accelerator lever take hold of the grip on the saddle unit Hold the scooter with your hand and also grip it between your...

Page 22: ...ng the same hand that moved the accelerator lever take hold of the grip on the saddle unit Hold the scooter with your hand and also grip it between your knees After the scooter stops maintain left and...

Page 23: ...effect of the rotation torque Once a stable forward motion is achieved the rotation torque will become weaker Preventing sand disturbance The water current caused by the propeller is more far reaching...

Page 24: ...y to reach a horizontal position gradually build up speed and take off Once stabilized the key is to make your buoyancy slightly negative or to descend in the water to create negative buoyancy Start t...

Page 25: ...to the weight of the scooter making the upper body rises up slightly In order to balance out the upward force caused by the lowering of the scooter and the diver s negative buoyancy the revolution spe...

Page 26: ...right turns easily by using the body as a rudder for steering and the hands as breaks The diver must try to maintain directional control while moving forward by bending your body at the waist towards...

Page 27: ...e diver bends forward at one s stomach This allows for a sharp turn However it is difficult for the diver to see where the diver is going or judge the depth of water This turn is also used to go into...

Page 28: ...entering a turn it is useful for situations in which the diver suddenly sees a target to aim toward This is a technique in which the accelerator is briefly shut off before or during a turn allowing t...

Page 29: ...ilot diver Such positioning will keep the propulsion resistance from increasing drastically allowing for faster travel Four or more persons can ride together by linking up vertically like a train The...

Page 30: ...being towed but also the underwater resistance When an object that causes great resistance is towed underwater and is attached to just one side of the scooter it could throw the scooter off balance w...

Page 31: ...NOTE...

Page 32: ...651 2 Industrial Park Hitachiomiya City Ibaraki Japan 319 2134 T 0295 53 3133 Country Code 81 TABATA AUSTRALIA PTY LTD 4D James Ruse Business Park 6 Boundary Road Northmead NSW 2152 T 0 2 9890 4555 F...

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