SAV-7 EVO MANUAL
Contents
1. WSTEP3 Checking the housing seal Do not set wrong side N WARNING z GRA After setting the housing confirm that there is a uniform space of a about 0 5mm between the battery housing head Assy andthe motor housing body Assy i If the space is less than 0 5mm or if the two parts are joined there is the Check no gap after setting possibility of the O ring coming out of the O ring groove Confirm that this not the case before proceeding MSTEP4 Checking the locking buckle Please confirm that all four locking buckles are securely locked 09 Check before use confirming operations MESTEP1 Turning on the main switch ON Check your surroundings Always confirm that nothing can obstruct or become entangled in the propeller Place the scooter vertically on a level surface Turn on the main switch It is located on the right hand grip W STEP2 Checking the battery indicator light O Confirm that all lights are illuminated i e Green yellow and red Lights the Battery indicator About battery indicator lt is necessary to synchronize the battery indicator for each type of battery LEAD ACID or NI MH to ensure an accurate display of the remaining battery life OTo check the battery life while underwater you must stop driving the scooter as you cannot get an accurate voltage display while the motor is activated The display accuracy may be affected by an exhausted battery and ambient2. battery into the scooter for at least 30 minutes after completing the charge as the battery continues to emit hydrogen gas Please keep clear of an open flame 08 Checking before use setting WSTEP Set the battery Put the weight plate under the battery if it is not necessary to float the SAV 7 The SAV 7 is able to float without weight plate Please set the fully charged battery in the body housing in the correct position 2 Set the battery so that the connectors on the body and the battery line up NWARNING O Please only use a fully charged battery otherwise damage will be caused Also check again that the correct charger was used with the correct battery Next the battery socket is connected with the body plug i Connect the socket to right way At this time confirm that the warning lamp isn t on Please do not use the scooter if the warning lamp is on as this may indicate a water leak has occurred MESTEP2 Set the battery housing head Assy O Please confirm that there is no debris adhering to the O ring O ring groove or O ring connecting surface Also confirm that there are no scratches and that an appropriate amount of silicon grease has been used Check the switch of Battery Selection Switch to PLY Selection sullen LEAD ACID battery Place the battery housing head Assy carefully in position taking note that the ribs on the underneath of the SAV 7 match up LEAD ACID NI MH
3. be leaking Please request a full overhaul with your dealer Please go to the following step if this sequence of yy troubleshooting doesn t correspond Water leak sensor terminal Please advice the dealer that the SAV 7 is not operating even after all the above points were addressed and checked 16 Riding manual For the safety diving O Clearing ears Ears are cleared in the same way as for regular diving However the speed will cause water pressure changes faster Therefore ears must be cleared faster and more frequently than usual As the diver s face is often turned upward when in a riding position it is best to draw the chin back when clearing the ears in order make the auditory canal open up more easily O Buoyancy adjustment Because the rider s hands are freed up during hands free riding he is able to operate the inflator and exhaust valve as he normally would Because the body is horizontal when riding the SAV 7 its position can be kept stable by discharging air using the exhaust valves located at the shoulders or hips Ousing fins as a stabilizer During hands free riding fins are used as stabilizers The diver should try to keep the fins positioned near the center of the propeller cover during regular or high speed runs keeping fins even with the propeller shaft of the SAV 7 The water current created by the propeller will hit the fins This will help counter the force that pushes the scooter to rotate in a
4. reducer Speed adjuster Rotational speed control Variable pitch type propeller 3 steps Safety devices Sensation current shut down device Thermal switch function automatically shuts down operations when internal temperature rises Water leakage sensor function turns on warning lamp when water enters the motor or battery housing and automatically shuts down operations Accessories 0 O ring seals for the main body 0 O ring seal for the propeller end of the body Silicon grease 05 Separately purchased accessories O LEAD ACID Battery Use only batteries supplied by TUSA O Ni MH Battery Use only batteries supplied by TUSA O Charger for LEAD ACID Battery Use only the specific charger supplied by TUSA O Charger for Ni MH Battery Use only the specific charger supplied by TUSA N CAUTION O Please never use other batteries than those supplied by TUSA Supplied separately O Please never use other chargers than those supplied by TUSA Supplied separately Battery LEAD ACID battery Exclusive to the SAV 7 C Name of each part Grip Batiery socket O Weight plate O Dimension 125mm x 175mm x 167mm Capacity 10Ah DC24V Name of each part AC plug OCharging lamp Charger body OCharger plug O Dimension 119mm x 73mm x 40 5mm Input voltage AC90 264V 47 63Hz N CAUTION Please refer to the handling manual that is attached to each product explaining the battery and charger used speci
5. speed riding propeller pitch 2 throttle position 5 7 There is increased stability in the forward motion when riding at a normal speed and therefore the SAV 7 will not sink even when there is a certain level of negative buoyancy Because the diver s entire body is being hit with an appropriate amount of water current using the body as a rudder for steering and hands as breaks is very effective thus providing a high level of freedom in underwater movement Therefore when riding in an area where water depths vary ae buoyancy that is perfectly neutral can actually prove to be a hindrance However in traveling long distances through water with constant depth it is better to attain neutral buoyancy since this will improve battery efficiency and make it easier for the diver to stay underwater Prease refer to Page 25 for more explanation Under normal speed the diver can make left or right turns easily by using the body as a rudder for steering and the hands as breaks The rider must try to maintain directional control while moving forward by bending your body at the waist towards the target or direction you intend fo travel Mi High speed riding propeller pitch 1 or 2 throttle position 6 8 Similarly in high speed riding having slightly negative buoyancy will make it easier to maintain control Riding form is very important for high speed riding The diver should be aware of the surrounding water
6. when pushed down and goes down as the lever returns to its original position Wing arms Wing arms are used on the SAV 7 for triple three person rides The grips are used to pull the two guest divers By attaching a karabiner onto the hole in the wing arms they can also be used to carry underwater equipment To loosen the knobs the wing arms are pulled out gt N WARNING Do not carry the SAV 7 by one hand on the shore E Hands free riding PATENT P Hands free riding is a new riding style in which the diver uses his body instead of his hands to steer the scooter This frees up the diver s hands Different from past scooters that were steered using both hands the diver steers the SAV 7 using his entire body This greatly reduces the amount of physical strain put on the diver It allows for long distance travel and extended diving time enabling the diver to explore greater distances and diving environments that may have been impossible in the past There are great benefits to being able to drive hands free scooters that need to be steered by hand end up becoming like a piece of baggage itself underwater Divers who thought Using a scooter keeps me from being able to carry anything else underwater will now be free to take what ever they want on their dive Because different items of underwater equipment can be attached to the scooter using the wing arms the carrying capabilities are vastly improved Lon
7. Diving innovation is our quest E b TUSA vehicle D ofS eh D 0 ay BS A Y 4 a 7 E 4 A YY J A oO Bn h A SS 5 o ya a ta 74 wl bo o sa a TA a Al a y e q 5 a te i Cm o gt Introduction Thank you for purchasing an SAV 7 The SAV 7 is revolutionary new underwater vehicle equipped with functions and features that set it apart from previous models and other brands Variable speed control Quick and smooth speed control is now at your fingertip Speed adjustments are made via an accelerator button that changes the rotational speed of motor while vehicle is in use Adjustments are very smooth allowing user to fine tune speed These enhancemenis are a significant improvement on th apollo vehicle series This new design provides a far more advanced control system than is available on other underwater scooter Hands free riding with the scooter saddle PATENT P Hands free is an innovative riding style that allows an operator to steer the scooter with body movement much like a seal This inline body placement is more streamlined to effectively decrease fatigue reduce air consumption and extend your dive time Go further get there faster and have a lot more fun along the way The hands free riding style increases your options while diving You are no longer limited to the hands on riding style required by other vehicles The possibilities are endles
8. O Low speed purpose O Confirm that pitch operation moves smoothly through the three stages The maximum speed of Pitch 2 is as same as Pitch 1 Reach time to maximum speed of Pitch 1 is earlier than Pitch 2 Maximum speed may be different from water current Choose the speed level with pulling dial Z N WARNING Do not miss the check before diving in order to prevent from serious injury 11 Operation and use Entry method MISTEP1 Entry from shore The SAV 7 is very light when in the water 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 along the surface quite comfortably until you find a deeper area you would like to dive to Waist deep e Moving along the surface or underwater AN CAUTION Never jump into the water with scooter from a boat or any other elevated location Never throw the scooter as it is potentially very dangerous Please refer to the boat entry method for further instruction amp Y 4 Don t jump from a high place with the scooter Don t throw the scooter MESTEP2 Entry from boat and other elevated areas O Please secure the SAV 7 by a lanyard or rope in the water or hand it to the diver after he or she has entered the walter O When passing the SAV 7 to a diver already in the water please lower the SAV 7 in so the diver
9. SAV 7 as the Even if water leaks into this area through propeller Assy area and rear seals of the SAV 7 the first seal into this compartment further Propeller Assy need to be overhauled before any further use leakage into the motor compartment is prevented PATENTED W STEP4 Set the propeller Assy 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 scratches or damage to the O rings and confirm an appropriate amount of silicon has been applied O installation of propeller Assy is the inverse order to Remove the propeller Assy Please note that the propeller shaft needs to be seated correctly before pushing the propeller assembly down and relocking the clamp ring into position You can find the right position by pushing down genily on the propeller Assy while slowly spinning the propeller manually Please confirm the clamp ring is seated down correctly and that the O ring is not protruding 14 Maintenance Note on Maintenance and Storage WSTEP The main sealing O rings There are four main sealing O rings Two large O rings between the top cover head Assy and body Assy and two smaller ones between the oZ A body Assy and propeller Assy You must replace these O rings if they are in any way damaged 77 Y ASES deformed or creased We highly recommend Y X p that these O rings be changed annually ra Please use a
10. Taking off from a landing position will disturb the sand underneath Kick to move slightly off the seabed and sufficiently tilt forward before turning on the propeller Bi Taking off from a landing position Hold the SAV 7 in an upright position on the seabed Approach the SAV 7 from behind and position the body above the saddle of the throttle unit Approach the SAV 7 3 Pull the SAV 7 up to a riding position by taking hold of the handle of the saddle unit 4 Firmly grip with the knees to hold the SAV 7 Grip with the knees to hold the SAV 7 Taking off from a landing position will disturb the sand underneath Kick to move slightly off the seabed and sufficiently tilt forward before turning on the propeller After moving away from the seabed with the entire body tilted forward to around a 45 degree angle pull the throttle lever for takeoff Waking off from a hovering position Take hold of the throttle unit and bring the scooter directly below the body 2 Pull the SAV 7 up to a riding position Bring the SAV 7 directly below the body Pull the SAV 7 up Start the SAV 7 at slow speed by pulling the throttle lever slightly The SAV 7 itself will move toward the body eliminating any sense of instability Be careful not to be pushed suddenly upward by the SAV 7 Be careful not to be gt pushed suddenly Start the SAV 7 at slow speed While adjusting the body to reach a horizontal positio
11. ar or in the rotating propeller A water tank that has not been refreshed may itself have excess salt and in this case will not provide a sufficient rinse MESTEP2 Disassembling the propeller Assy N CAUTION Please remove the battery from the SAV 7 before working on the propeller area Pull up the two clamp lock levers in order to unlock the clamp ring S Next the clamp ring can be unlocked by rotating counter clockwise and matching the oval Y mark on the clutch propeller housing lt 2 Then pull out the propeller housing Pull clamp lock lever toward self Remove propeller Assy And turn clamp ring MESTEP3 Check and cleaning of propeller Assy OCheck to see if any water leakage has occurred In general many scooters have leakage weakness around the inside the propeller Assy sealing area on the propeller shaft If a seal becomes worn Olf a little water is present please flush it away with water can infiltrate the motor compartment and cause major fresh tap water damage SAV 7 have greatly improved this area of weakness in comparison N WARNING to other scooters We specially designed a A small amount of water leakage a teaspoon or double sealing system for the propeller shaft by so is not abnormal and will not harm the operation building a small watertight compartment LUE of the SAV 7 However if the propeller Assy is full of between the first seal and the second seal DS water then discontinue using the
12. can easily grasp a handle or grip AN CAUTION O Please turn off the main switch so that the propeller cannot operate by mistake when passing it to a diver Do not enter from a boat or other elevated position while holding the scooter Do not enter the water while holding the SAV 7 Please turn off the main switch Exit WSTEP Beach lts recommended to drive the SAV 7up to waist deep water and leave it close to or on the edge the shore The SAV 7 is heavy when out of water It is strongly recommended that you remove your diving equipment on the shore prior to lifting the SAV 7 MESTEP2 Boat Securely attach the SAV 7 with a rope or lanyard to the boat Lift the SAV 7 from the water after the diver has exited 12 Operation and use How to operate WSTEP Throttle operation The SAV 7 speed is controlled by the rotational speed of the propeller with the throttle unit and by adjustment of the propellers pitch The rotational speed of the propeller rises when the throttle lever is pulled up The rotational speed decreases when the throttle is pushed down Pull out throttle Push down throtile Overload protection safty sensor The SAV 7 has a built in safety device that protects the motor if overloading occurs For example if rope gets wound around the propeller shaft the scooter will automatically stop The SAV 7 safety sensor protects the diver s safety from rotation rebound if the propeller becomes entangled or o
13. counterclockwise direction rotation torque When running at a slow speed the upper body will lift slightly causing the knees to lightly bend In this case the diver must try to keep the fins horizontal to the propulsion direction so that here too they can act as a stabilizer N DANGER Never scuba dive alone Always dive under the buddy system Diving alone could lead to serious injury and death Due to the speed of the SAV 7 depth amp pressure change may happen faster than usual The diver must be aware at all times with regards the status of his depth and direction and carefully monitor his ascent rate as rapid surfacing and collisions could cause serious injury ordeath Please practice driving at low speed until you become accustomed to the handling of the scooter There are screen on the propeller cover for preventing from entangling wire and seaweeds However do not dive with the SAV 7 at the seaweed area Characteristics of the Apollo the SAV 7 scooter Se E Speed control The SAV 7 is a multipurpose underwater scooter equipped with an innovative throttle based gearless drive mechanism O Shifting gears while running On former underwater scooters the gears could only be shifted by manually changing the pitch of the propeller while the scooter was in a stationary position Having to stop each time to change the speed was difficult and inconvenient To overcome this problem the SAV 7 is now equipped with a mechanism t
14. current and keep the frontal body area as low profile as possible Also the diver should try to reduce drag and may obtain increased speed by holding one fist out in front of the body Good posture of high speed riding At high speed the difference between Pitch 1 and Pitch 2 is very subtle At Pitch 1 the maximum level of efficiency cannot be achieved unless the divers equipment is low profile and body posture is good The turning radius becomes larger at high speed and therefore the rider must be careful of obstacles 24 Turning See Steering with your Body Using your upper body as a rudder The diver s entire body from the top of his head fo the tips of his fins is used as a rudder It is especially effective to use the upper body as you will be propelled in the direction to which your body is bent MW Open turn The diver arches his body back while thrusting his chest forward The scooter will curve toward the diver s back in a large circular motion With open turns the diver feels safe because he is s able to see where he is going while turning i Closed turn The diver bends forward at his stomach This allows for a sharp turn However it is difficult for the diver to see where he is going or judge the depth of water This turn is also used to go into a drift mode Hi Compulsive turn Turn with holding the grip and move the SAV 7 by grip compulsively for adjustment of turn This way makes smoother
15. d Assy N WARNING Precautions concerning the handling of the battery housing head Assy after removal Silicon grease has been applied to the seals on the battery housing Sand and other debris easily stick to this Be careful to avoid this situation O water leakage is caused almost entirely by sand or other debris adhering to the seal area O Please put the battery housing head Assy in a safe clean place lying down on the ribs located on its base Please do not place it on sand or on rocks etc 07 W STEP4 Releasing the battery connector plug O Hold and squeeze the release levers on both sides of the battery connector plug and pull upwards AN CAUTION OAltering the battery connector plug in any way is very dangerous and should not be done Any alterations will cause unexpected trouble i re ka ee an SO E Pare I MER NP O SE Ss aS Sa MESTEP5 Removal of the battery Ja AAA 22A AA AA OOO A CUU U O Hold the battery firmly with both hands and lift it away from the body Place in on a clean and dry flat stable surface Z N WARNING O The battery is quite heavy so be careful not get your fingers pinched or to drop it onto your feet D Y gh My ra La lt de Gdl INSTEP6 Connecting the single purpose charger to begin recharging N CAUTION O You must use the correct single purpose charger suitable for the type of battery bein
16. e confirming operations Check before use Entry method Exit How to operate Maintenance after use Note on maintenance and storage The propeller doesn t rotate even through the throttle lever is activated P17 P18 P19 P20 P21 P22 P23 P24 P25 P26 P27 P28 Parts list For the safety diving STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 STEP 7 Stopping Take off Riding Turning Advanced operations Advanced operations Advanced operations Carrying P29 P30 P31 SAV 7 SAV 7 saddle Assy SAV 7 head Assy P32 SAV 7 bulkhead Assy P33 SAV 7 body Assy P34 SAV 7 propeller Assy SAV 7 battery plug socket Assy 02 Before reading the manual Items with the following headings marked with this symbol 4Y describe scuba diving techniques and how to handle diving equipment These sections must be completely understood so be sure to read them with special care DANGER Failure to read understand and obey the instructions under this heading may lead to accidents that may result in serious injury or death Z N CAUTION Failure to obey the instructions under this heading may lead indirectly to accidents that result in serious injury death and or serious damage to equipment WARNING Failure to obey the instructions under this heading may lead to minor accidents and or damage to equipment Olt is extremely important that scuba divers using this product have undergone theoretical and practical train
17. e to land you may need to adjust your buoyancy Mi Landing DStop the propeller by lowering the throttle lever Using the same hand that moved the throttle lever take hold of the grip on the saddle unit Hold the scooter with your hand and also grip it between your knees Push throttle lever down Hold the SAV 7 with your hand Grip the SAV 7 between your knees N WARNING 0 in the case of dry suit diving please pay attention of air volume in the suits It is possible to blow the air from the suit or sudden surfacing Please put the air in the suit shorter than usual for diving with the SAV 7 After the SAV 7 stops and while maintaining left and right balance allow the weight of the SAV 7 to move the body to an upright position Land on the ground in a standing position 19 Hi Moving to hovering mode Reduce speed by shifting the throttle lever to the low speed position 2 Once the speed is reduced and the weight of the SAV 7 can be felt adjust buoyancy Adjust buoyancy Turn to minimum speed Turn to Pitch4 or 5 Using the same hand that moved the throttle lever take hold of the grip on the saddle unit Hold the SAV 7 with your hand and also grip it between your knees Hold the SAV 7 with your hand Grip the SAV 7 between your knees After the SAV 7 stops maintain left and right balance and go into hovering mode Do this by adjusting buoyancy once again while allowing the weight of the scooter t
18. fically for nickel hydride operation 06 Charging the battery in case of LEAD ACID battery N CAUTION 0 in this book it explains only the LEAD ACID battery as an example Please refer to the manual attached for each product when you use the NI MH battery W STEPI Preparation for charging Please stand the scooter vertically on the propeller cover Make sure it s on a flat stable surface so that it cannot fall over and cause damage to the propeller cover and blades If the scooter is wet wipe all moisture off completely MESTEP2 Unfasten the locking buckles Unfasten four locking buckles on the body seal A locking mechanism is attached to the locking buckle to prevent it from releasing as a result of unexpected shocks DFirst while pushing the square button in the center of the locking buckle lift the end of the buckle 2 Next after releasing the buckle hook flip the buckle downward Release all four parts PUSH MESTEP3 Removing the battery housing It may be difficult to remove the battery housing head Assy due to negative pressure inside the body caused by contact with the O ring temperature variation and other factors In this case place the buckle latch under the locking hook and apply pressure with your thumb while pushing upwards Do this on both sides of the scooter concurrently to break the seal and easily release the battery housing head Assy If it is hard to remove hea
19. g distance travel is made possible The SAV 7 can travel underwater distances of around 3 600 to 4 000 meters when a LEAD ACID battery is used Since it takes over one hour to cover 4 000 meters when traveling nonstop a diver can easily travel continuously over the time span of a regular single dive For leisure diving in which the diver uses the scooter only to travel between certain diving spots it can easily run for two dives AN CAUTION O Battery duration may vary depending on how it has been stored or used Do not use a battery that is old or fully discharged as ifs power could suddenly drop or it could have an extremely short running time 18 STEP I 1 Positioning for hands free riding C The diver positions the SAV 7 between the legs so the scooters propeller shaft and the axis of the diver s body are lined up As the SAV 7 moves forward the body will naturally be pushed from behind The diver does not need to grip or force himself to sit on the SAV 7 Just wait as the SAV 7 will naturally push the body Good posture pushed by the SAV 7 Bad posture the diver and the SAV 7 will not be able to move as one which will throw the diver off balance and prevent a smooth takeoff 2 Stopping The pointto be cautious of when stopping is adjusting your balance when there is no longer any forward moving force Without momentum the diver s body will become unsteady You must adjust and attain your balance If there is no plac
20. g used In this case we are showing the LEAD ACID battery as an example Please refer to the handling manual that is attached to each product about the battery First connect the AC alternating current plug of the charger to a domestic outlet 2Next connect the DC24V output connector from the battery to the connector receptor plug on the charger The charging will automatically start upon connection after the power is turned on at the domestic outlet N CAUTION The connector is polarized so when connecting insert in a direction so it will smoothly enter the connector receptor Charging time of the charger The color of charger lamp will indicate when charging is completed Charging lamp Charging Orange light PPP Finished Green light OThe orange is gradually changed into green as the i charge progresses Finished Green A green lamp shows when the battery connector is not connected open circuit but the power is on MSTEP7 Disconnect the charger when charging is completed The battery charger automatically changes into trickle charge mode after charging is complete however please avoid leaving the charger connected after the charge lamp becomes green MAI first turn the power off and remove the AC plug from the domestic outlet 2 Next remove the battery connector E STEP8 Charge completion N CAUTION O Please do not set the
21. hat changes the revolution speed of the motor Now the gears can be shifted while running eliminating the need to stop each time The mechanism that changes the motor s revolution soeed has made gearless soeed change possible Speed is no longer changed in phases by manual adjustment of the propellers pitch Propeller pitch conversion mechanizm The SAV 7 is also equipped with a propeller pitch conversion mechanism Note The speed for Pitch 1 and Pitch 2 are approximately the same Pitch 1 has a higher acceleration rate and therefore top speed can be reached slightly quicker compared to Pitch 2 Minimal difference in the top speed of Pitch 1 and Pitch 2 can be observed when the optimal level of propulsion resistance is reached 17 Scooter saddle O Handle The handles on either side of SAV 7 are handgrips to hold onto They are an important part of the scooter that are used in many situations including take off stopping and turns The handgrips should not be used to carry the scooter on land Saddle To minimize underwater resistance and to allow for effortless under water maneuvering the SAV 7 is designed to be steered hands free In doing so the saddle helps to hold the diver in place and allows the diver to steer the scooter freely Even relatively sharp turns are made possible when riding hands free Throttle lever The throttle lever functions the same way as the gas pedal on an automobile The revolution speed goes up
22. ing given by an internationally recognized entity providing diving instruction Due to safety considerations those who have not obtained a C Card attesting to the completion of training from an entity providing diving instruction must not under any circumstances use this product This does not apply to those using this product 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 scuba dive alone Always dive under the buddy system Diving alone could lead to serious injury and death Due to the speed of the SAV 7 depth amp pressure change may happen faster than usual The diver must be aware at all times with regards the status of his depth and direction and carefully monitor his ascent rate as rapid surfacing and collisions could cause serious injury or death Please practice driving at low speed until you become accustomed to the handling of the scooter CAUTION O Make sure you are in good physical condition before you scuba dive If you begin to feel anxious cold tired or unwell do not over exert yourself and stop your dive O Never take alcohol or medicines especially a nasal spray or medicine for a cold before scuba diving Those who are in poor physical shape or suffer from a chronic ailment should consult a doctor before considering diving WARING Before deciding to use you
23. ities of poisoning and fire There is a possibility of injury The inertia and weight of the scooter is dangerous and could cause injury The inertia and weight of the scooter is dangerous and could cause injury CAUTION WARNING lease do not enter with the scooter when you are boat diving Have the scooter passed down to you If your scooter has stopped abnormally or been for repair please do not run it for a long distance until after you have confirmed it is safe Please execute a thorough check prior to use Please do not run the scooter for more than five seconds out of water Please take careful note of your surroundings and gt circumstances prior to preparing your equipment on land and in the water The inertia and weight of the scooter is dangerous and could cause injury An unknown fault or unfinished repair may cause an unexpected accident An accident may be caused by a malfunction after it enters the water The seal part on the propeller shaft is damaged by frictional heat and there is a possibility of water leakage Equipment and materials may be damaged by unexpected operation Please disconnect the battery terminal when the scooter is not in use Please check the main body o rings for impurity and dust before usage Please do not use other than the specified silicon grease lubricant supplied by TUSA Unexpected operation due to the switch being acciden
24. ize the overall movement As for left and right positioning the guest divers should try to stay in the water current created by the pilot diver Such positioning will keep the propulsion resistance from increasing drastically allowing for faster travel N Wg Wing arm SAIS i QS a pS Grip the wing arms ETrain riding with four or more persons Four or more people can ride together by linking up vertically like a train The pilot diver starts the SAV 7 at low speed The first guest diver takes hold of the pilot diver s ankles As soon as the first guest diver attaches himself the pilot diver increases the speed to stabilize the overall balance When the pilot diver pulls the throttle the scooter will not soeed up right away While waiting for the speed to increase the third and forth divers take hold of ankles of the diver in front of them The SAV 7 has enough power to pull five to six people but having that many will make certain maneuvers such as turning difficult It will obviously slow the speed down and making sharp turns will be impossible Riding with many divers should be seen not as a mode of transportation but as a form of recreation sx q aes YA E D A CAS UA DO lt ora Hold both ankles of the front diver 27 Advanced operations Carrying C The wing arms of the SAV 7 are used to carry underwater equipment The diver opens both the left and right wing arms of the throttle unit Karabi
25. like car driving during turn MW Hand brake The diver creates resistance on either side of him by holding the palm of a hand against the water current or holding an arm away from the body This will reduce the speed on the side that the resistance is created causing the SAV 7 to veer toward that direction This technique is used to make slight adjustments in the direction to which the scooter is already moving Holding an arm away from the body Open both arms for reduce the speed 25 Advanced operations W Drifting A resistant brake using his upper body in the same manner as with a closed turn Running at high speed The diver enters a turning point without slowing down and applies a resistant brake using his upper body in the same manner as with a closed turn Once the diver s head is turned to the desired direction he slowly extends his body and gradually adjusts the position of the scooter to face that direction When doing this he should slide his upper body sideways to gradually move toward the traveling direction Because this technique allows the diver to determine which way he is going soon after entering a turn it is useful for situations in which the diver suddenly sees a target to aim toward Wi Hairpin This is a technique in which the throttle is briefly shut off before or during a turn allowing the diver to drastically reduce the radius of a turn It is used when the diver needs
26. n gradually build up speed and take off GjOnce stabilized the key is to make your buoyancy slightly negative or to descend in the water to create negative buoyancy The body to reach a horizontal position Create negative buoyancy 22 STEP3 Riding MSurface riding Riding at the water s surface is also possible with the SAV 7 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 Head first riding Normal riding Pay attention of clearing ears W Slow speed riding propeller pitch 2 or 3 throttle position 4 6 When riding at slow speed it is necessary to adjust your buoyancy slightly using a buoyancy compensator BC In doing so the diver s legs will sink due to the weight of the SAV 7 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 Direction Diver s negative buoyancy Upturn Speed up 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 SAV 7 itself will begin to move in that direction 23 MNormal
27. n O ring pick made of soft plastic when ESE removing the O ring from the groove Please never use a screwdriver or a sharp tool O rings for Propeller Assy O rings for body N CAUTION OThe grease used for lubrication of the O rings must be the silicon grease specified by TUSA Other types of grease can cause the plastic in the housing to split and for O rings to expand which may cause serious leakage to occur Please note that the damage caused by the use of grease other than that specified by TUSA will void any warranty MESTEP2 Body Impact absorbent acrylonitrile outadiene styrene resin is used for the body of the SAV 7 This material excels in strength and durability and looks great after years of service However the material may be seriously compromised and damaged if you use the wrong lubricants and or cleaners Please note the following N CAUTION O Please never use organic solvents such as gasoline oil petroleum grease Vaseline included alcohol the toluene methyl ethyl ketones and acetones nor strong detergents etc MISTEP3 Throttle unit Please execute Desalt process on all moving parts Especially the throttle lever MSTEP4 Storage notice OPlease disconnect the plug from the battery during storage OPlease keep the box the SAV 7 is delivered in This box will help prevent damage during transport Remove the battery socket Please keep the package 15 Trouble shooti
28. ners attached to any equipment you want to carry are hooked onto the holes in the wing arms W Distribution of underwater weight As a general rule the underwater weight of equipment that is attached to the wing arms should be evenly balanced between the left and right sides When it is not possible to distribute the weight evenly it is best to attach the load thot is slightly heavier onto the right wing arm since the rotation torque turns toward the left counterclockwise relative to the direction in which the SAV 7 is traveling M Underwater resistance The diver must take into consideration not only the underwater weight of an object 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 SAV 7 it could throw the SAV 7 off balance when moving forward WARNING Equipment that could get caught in the propeller is not suitable for carrying Practice keeping attached equipment as close as possible to the SAV 7 body otherwise your ability to turn and take off effectively may be reduced OThe wing arms are designed to sustain underwater weight Equipment that is able to be carried underwater could damage the wing arms if if is brought on land while still attached Therefore remove the equipment from the wing arms before bringing the SAV 7 out of the water Wing arm Those ways are just one of idea for riding SAV 7 We ho
29. ng symptoms The propeller doesn t rotate even though the throttle lever is activated Check1 The SAV 7 won t activate O Please confirm the battery indicator lights are on O Action when trouble is found Please turn the main switch on Please go to the following step if the scooter still yy does not operate Check2 The battery may not be connected correctly O Please open the SAV 7 head and confirm that the battery lead is not connected O Action when trouble is found Please connect the battery connector correctly Please go to the following step if the battery is connected correctly O Action when trouble is found Normal operation can be expected after repair Please request your local dealer to repair the scooter if you do not understand the repair method Please go to the following step if the throttle seems yy to be working correctly Action when trouble is found Please recharge your existing battery and try again If the symptom still persists after another fully charged battery has been tried then please yp go to the next step Check5 The water sensor may have been activated OPlease open the head Assy cover and confirm the warning lamp is on O Action when trouble is found Please dry around two sensor screws that are located on the top of the bulkhead If the warning lamp has not turned off or the warning lamp lights up frequently the SAV 7 may
30. o bring the body into an upright position O Rise with scooter s weight Adjust buoyancy Bring the body into an upright position Repeating steps 1 and 2 will reduce the amount of buoyancy shift that occurs at the point in which the SAV 7 reaches a complete stop making for easier maneuvering 20 STEP2 3 Take off A O Learning to be pushed by the SAV 7 The key to successful takeoff is to learn to be pushed by the SAV 7 If the diver is too eager to move forward the diver and the scooter will not be able to move as one which will throw the diver off balance and prevent a smooth takeoff Counter balancing the rotation torque Right after takeoff the diver will feel the SAV 7 rotate in a counterclockwise motion relative its forward movement This is due to the rotation torque of the propeller As a way of countering this movement the diver can twist his upper body to the right Another simple technique is for the diver to imagine taking off in the direction of 11 00 forward to the left This will naturally twist the diver s body to the right which will reduce the effect of the rotation torque Once a stable forward motion is achieved the rotation torque will become weaker O Preventing sand disturbance The water current caused by the propeller is more far reaching than one might imagine At take off the diver must be aware of what is behind him so as not to hit other divers with a slipstream coming from the propeller
31. pe you create new idea of riding SAV 7 There are more idea of riding way unlimitedly 28
32. r scooter in an adverse environment or special situation please consult with a qualified instructor at the place of purchase prior to undertaking your dive 03 CAUTION CAUTION CAUTION Main warnings and notes Please only use our purpose built battery and purpose built charger Please do not change remodel or disassemble Please do not touch unnecessarily any moving parts especially the propeller Please do not touch the electrodes etc Please do not drive the 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 Please ensure that string hose hair or foreign objects do not become entangled in the propeller Remove the battery before attempting to disentangle any items should the propeller become obstructed Please do not jump into water with the scooter Please do not throw the scooter from a high place Otherwise there is a danger of an explosion and fire There are dangers of the explosions and of fire if the electric circuit is tampered with There are dangers of damage and water leaks in the body and circuits There is danger of injury There is danger of electric shock because of high currents and voltage The rapid pressure decrease associated with a rapid ascent may cause decompression disease or embolism Hydrogen gas is generated from the battery while charging There are possibil
33. s The SAV 7 is not 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 and effort required to hold and steer an underwater vehicle In addition to being a potensial source of fatigue the traditional hans on riding style requires the user to place themselves above the vehicle rather than inline Improvement in transportation options The SAV 7 improves your ability to transport items underwater Your hands are free to carry what you need Additionally fold out wings on both sides of the saddle are available for towing other divers or attaching other items of equipment The innovative SAV 7 challenges divers to create and find new techniques and methods of use Go out and enjoy diving with this great new generation diving product 01 P P2 P3 P4 P5 P P7 P8 PO P10 P11 P12 P13 P14 P15 P16 Riding manual Instruction manual Introduction CONTENTS Before reading the manual Main warnings and notes Specification Specification Preparation Preparation Preparation Preparation Preparation Operation and use Operation and use Maintenance Maintenance Trouble shooting RRL Sw SAV 7 name of each part Battery LEAD ACID battery exclusive to SAV 7 Charging the battery in case of LEAD ACID battery Charging the battery Checking before use setting Check before us
34. tally operated may cause an unexpected accident There is a possibility of water leakage by imperfect sealing which may cause damage and an unexpected accident Damage may be caused to the materials the scooter is made from by using lubricants other than what Apollo Sports supply This in turn may cause an unexpected accident The above mentioned table does not mention all prevention matters that could cause danger and injury Please carefully read and follow the instructions whenever you see the symbol in this book 04 5Jol 10 eel ilela The SAV 7 name of each part O Propeller cover O Propeller screen O Clamp ring O Speed control dial O Propeller Assy Propellers O Clamp ring lock lever Body Assy O Head Assy Olocking buckle O Wing arms O Starter switch O Main switch O Grips O Battery indicator O Throttle lever O Saddle O Grip OBattery plug OWater leak sensor terminal Owater leak alert lump The SAV 7 Specification ss Length and Width 720 mm x 340 mm Total weight approx 18 kg 40 LBS Weight in the water O kg Speed 0 4 2 km h It depends on the divers posture physique and equipment Active depth approx 70m Active range approx 3600m 4000m By LEAD ACID battery approx 7200m 8000m By Ni MH battery Body Shock resistant ABS resin Motor 24V Brushless motor REV reducer Ring epicyclical gear speed
35. temperature Please refer to the battery indicator as a rough guide only MSTEP3 Operate the motor DPush up the throttle lever Slowly push up and down on the throttle lever Confirm rotational speed changes are occurring with vertical motion 4 Also confirm the sound of propeller for check Check the battery indicator for battery condition with turning on the motor Red empty Yellow All colors are tuned on after full charged then changed bho am Blue full color with consumption Check the indicator Take all pressure off the throttle lever Confirm the rotation of the propeller has stopped completely 10 MSTEP4 Turn off the main switch O Move the main switch to off position O Confirm that all battery indicator lights are off N WARNING lf switch is left on the standby current will continue to flow It is possible that damage will occur from over discharge of the battery Main switch OFF STEPS Using the variable pitch propeller Lay the scooter down on a level surface O Pull and turn the pitch control dial knob to make adjustments to the propeller angle O Push the dial back after speed selection Pitch selection Acceleration Maximum speeds Battery consumption Acceleration purpose P IT CH VOI ff O 9001010 OB SOOO need e epveunietica teks PITCH 2 OOOO OOOO OOOOOO Standard purpose most efficient setting PITCH 3 OO OOOO OOOO O OO OO
36. therwise obstructed The SAV 7 is equipped with a safety sensor to protect the motor from burn out and deterioration caused by overloading If the safety device is activated turn off the main switch once and it will be reset After resetting the motor should works as usual N CAUTION If the motor has stopped please carefully check for debris that may be obstructing or entangled in the propeller area Please ensure the debris is completely cleared away prior to resetting and reactivating the motor otherwise damage may occur 13 Maintenance Maintenance after use Please wash with tap water after use Make sure to flush sand and other debris from around the propeller switch throttle unit and locking buckles WSTEP Avoid salt build up desalt afte use Stand the SAV 7 upright and flush with tap water from your hose all salt sand and debris Take special care to efficiently wash the switch part of the throttle unit as this is a critical moving part during operation O With the SAV 7 laid horizontally slowly rotate the propeller manually and wash using a hose all the joints and seam in and around this area lf possible you can desalt the SAV 7 in a large water tank if the diving store has this facility N CAUTION O Please do not activate the SAV 7 until confirming that the surrounding area is safe and that no other equipment is in the tank as the propeller generates turbulence Please never put your hand ne
37. to change directions on the spot much like making a flip turn in swimming In the same manner as making a closed turn the diver turns his body at a slight angle and applies the brakes using upper body resistance Once the body begins turning the throttle is shut off reducing the propulsive force of the SAV 7 to zero for a time While using the momentum to change the direction of the scooter the diver shifts his upper body to face the desired direction and then stretches his body in that direction After the SAV 7 has changed directions the diver switches the throttle back on to start up again Using the momentum to change the direction of the SAV 7 Advanced operations c E Tandem two person ride The pilot diver boards the SAV 7 at the regular position The guest diver takes hold of the grip located on the backside of the SAV 7 In doing so it is not necessary to hold on tightly It is enough to hook on a few fingers If the guest diver holds the grip too tightly he will constrain the movement of the SAV 7 making it difficult for the pilot diver to steer Hold of the grip located on the backside of the SAV 7 4 pes IET SSN SAN o MW Triple three person ride The pilot diver boards the SAV 7 at the regular position The two guest divers open and grip the wing arms of the saddle The guest divers should position themselves underneath and horizontal to the pilot diver This will stabil
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