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Seacraft GO! User Manual

Diver propulsion vehicle (dpv)
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DIVER PROPULSION VEHICLE (DPV)
USER MANUAL
GO!

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Summary of Contents for Seacraft GO!

  • Page 1 DIVER PROPULSION VEHICLE (DPV) USER MANUAL...
  • Page 2 Marine Tech accepts no liability for damages and/or injuries caused by improper use of the Seacraft scooter as well as a result of its use in a manner contrary to or deviating from principles set out in this manual.
  • Page 3 Table of contents...
  • Page 7 INTRODUCTION CONGRATULATIONS! By purchasing the Seacraft underwater scooter (“Scooter”) you have chosen one of the best products available on the market today. The Seacraft scooter (DPV - Diver Propulsion Vehicle) is an additional element of diving equipment used for faster movement and increased range diving. The Seacraft scooter is designed for use only by persons trained in this fi...
  • Page 8 INTRODUCTION 1-6 | Seacraft GO! User Manual v1.0...
  • Page 9 For the safe and proper use of the Seacraft scooter every user is obliged to familiarize himself / herself with the warnings, labels and pictograms placed on the device. Caution! Every Seacraft scooter and the batteries are marked with a number of labels and warning signs and information.
  • Page 10 fi rst and foremost follow the rules provided during specialized training on how to use a scooter. Below, only some elements related to the safety and use of the Seacraft scooter are presented. • Please read the scooter’s and the charger’s manual as they contain important precautions, warnings and information.
  • Page 11 • Abandon the scooter under water if its towing would be impossible or too burdensome. Seacraft GO! User Manual v1.0 | 2-3...
  • Page 12 Failure to follow the aforementioned instructions may cause injury. This Seacraft scooter o ers you 3 di erent control modes. It is recommended, that you check the mode setting before each dive (...
  • Page 13 Your Seacraft Scooter will run considerably more quiet than other scooters on the market. With this scooter, it is very likely that even an (also silent) rebreather diver will see you under water, before he/she hears you.
  • Page 14 Unlike other scooter models on the market, this Seacraft Scooter allows you to move backwards under water, by being „pushed” by the scooter (if the scooter was set to “Expert” or “Recreational” mode ( “5.2.3 Control mode” on page 5-13).
  • Page 15 Used batteries which are a component of the scooter must be returned to the manufacturer or supplier of the equipment or given to a collection point for used accumulators and batteries or electronic scrap. Seacraft GO! User Manual v1.0 | 2-7...
  • Page 16 • Before long storage and after prolonged periods unused it is recommended to carry out a detailed check of the scooter and perform maintenance works ( “6.6. Storing the battery segments” on page 6-11). Further information on storing the unit can be found here: https://support.seacraft.eu/knowledge-base/faq-scooters/ 2-8 | Seacraft GO! User Manual v1.0...
  • Page 17 • Ensure that the scooter is secured against free movement on vessel’s board. • If there is possibility that the scooter may get wet during transportation, make sure that the scooter is correctly assembled and watertight. Seacraft GO! User Manual v1.0 | 2-9...
  • Page 18 • Use elements which are non-original and non-dedicated to a particular model such a charger, screw, battery, etc. • Leave the scooter which is ready to work under water unattended or within reach of children or persons untrained to use it. 2-10 | Seacraft GO! User Manual v1.0...
  • Page 19 It is a reversible process - after raising the temperature of the battery to temperature level above 0 ⁰C the capacity of the battery returns to the nominal value. Seacraft GO! User Manual v1.0 | 3-1...
  • Page 20 The manufacturer points out, that the laboratory data relating to the technical specifi cations of the Seacraft scooter may di er from the data obtained in real operating conditions in the fi eld. Note! Potential discrepancies in terms of certain scooter operating parameters...
  • Page 21 fi xation nut is tightened, the battery segments cannot move inside the scooter and will thus provide the energy stored inside without any interruption. Seacraft GO! User Manual v1.0 | 4-1...
  • Page 22 It may be turned in any direction in order to swith the scooter on (switch positioned in direction of travel) or o (switch positioned perpendicular to the direction of travel). This standard holder allows for attaching a sports camera or the Seacraft Electronic Navigation Console to the scooter.
  • Page 23 The trim weights [23] are placed in a free slot on the lower side of the battery segment contacts. Like this, the trimming system also serves as a “keel” for the scooter, keeping the steering handles pointing upwards underwater. Seacraft GO! User Manual v1.0 | 4-3...
  • Page 24 These LEDs show the current charging level of the installed battery segments (approx. 11 % per LED) or (during setting the drive mode) the currently selected mode: Sports mode (yellow), Expert mode (red) or Freediving mode (green). 4-4 | Seacraft GO! User Manual v1.0...
  • Page 25 For this reason, this scooter is very energy-e cient. Seacraft GO! User Manual v1.0 | 4-5...
  • Page 26 The scooter battery voltage is always in a safe range for the user. The battery is equipped with a BSM system (Battery Management System), which compensates the voltage across all the cells and a PCM system (Protection Circuit Module) that protects the battery against overload, overcharging and excessive discharge. 4-6 | Seacraft GO! User Manual v1.0...
  • Page 27 Please note, that for loosening the cap nut - while it should have been tightened by hand only - you might need the Seacraft service key. The reason is, that drying grease and sediments over time may cause the cap nut to be more tight than right after closing the scooter.
  • Page 28 • Defi ne the required amount of trim weights depending on the water salinity and your scooter confi guration. Note! Seacraft o ers an online trim calculator to assist you trimming your scooter: https://support.seacraft.eu/trim-calculator/ 5-2 | Seacraft GO! User Manual v1.0...
  • Page 29 • Place the battery segment fi xation ring properly onto the battery segments. • Tighten the battery segment fi xation lock (hand-tight). • Close the scooter ( “5.1.3 Closing the scooter” on page 5-4). Seacraft GO! User Manual v1.0 | 5-3...
  • Page 30 • Check/clean the sealing area inside the housing lid and on its lower edge. Slightly lubricate these areas with silicone grease provided by the manufacturer. Fig. 8. Seacraft silicone grease and engine grease (green) • Hold the housing lid over the scooter and align both components.
  • Page 31 Pass the harness only through one of the DPV noozle holes. Passing the line through both, may lead to breaking of the nozzle. See pictures below to check correct orientation. Fig. 10. Scooter nozzle with fastening holes Seacraft GO! User Manual v1.0 | 5-5...
  • Page 32 / lower or the left / right part of the harness accordingly. While transporting the scooter, it is recommended to clip the bolt snap to the scooter. 5-6 | Seacraft GO! User Manual v1.0...
  • Page 33 Seacraft o ers a second optional harness to be attached to the scooter’s nose. This harness facilitates towing and securing the scooter, when it is not needed under water. Fig. 12. Seacraft nose harness Proceed as follows, to fi x this harness to the scooter’s nose: •...
  • Page 34 • Let another person hold the scooter at the steering handles, while you pull o the propeller. Be aware, that there will be a sudden “jolt”, when you have overcome the magnetic forces holding the propeller in place. 5-8 | Seacraft GO! User Manual v1.0...
  • Page 35 • Make sure, the little openings on the back of the propeller ring are not clogged. • If there is no or very little engine grease visible, slightly lubricate the little ball on the propeller axle and the axle itself with the provided Seacraft engine grease. Fig. 15. Seacraft silicone grease and engine grease (green) Fig.
  • Page 36 - turning on and o , control of gear changes, modus change and error codes displayed. Before entering the water with the scooter, make sure it is working properly and that the battery is charged. 5-10 | Seacraft GO! User Manual v1.0...
  • Page 37 Fig. 17. Main switch in position ON To switch o the scooter, turn the main switch in any direction until it is in the direction of travel: Fig. 18. Main switch in position OFF Seacraft GO! User Manual v1.0 | 5-11...
  • Page 38 (blinking red LED in the bottom left). • Press the upper and lower piezoelectric control button in the middle of the display, to select a gear or (during mode setting) to select the control mode. 5-12 | Seacraft GO! User Manual v1.0...
  • Page 39 The GO! is a versatile companion for recreational, technical and free divers alike, because Seacraft has integrated 3 di erent control modes, that o er targeted functionality for these groups of divers. Proceed as follows to set the control mode: •...
  • Page 40 • In the event of a display malfunction, the scooter engine is started automatically in gear 4 (Emergency Bypass), so the scooter will bring you home, even if the display cannot be used. 5-14 | Seacraft GO! User Manual v1.0...
  • Page 41 When you are in the water with the scooter, secure it by clipping the scooter harness bolt snap to your crotch belt d-ring. Seacraft GO! User Manual v1.0 | 5-15...
  • Page 42 Your Seacraft scooter will allow you to move much faster than a diver without a scooter, and it will give you considerably more range. Apart from that, a Seacraft scooter runs very silent. Please keep in mind these factors when planning your dive and while diving.
  • Page 43 While driving, you may at any time change the gear by pressing the upper or lower control button with a thumb. You may also change the gear, while the propeller is stopped. When you press the control trigger(s), the scooter will start in this new gear. Seacraft GO! User Manual v1.0 | 5-17...
  • Page 44 4, in order to bring the diver safely home, even when the control buttons or triggers do not function properly. The bypass feature is available in Expert and Freediving mode. 5-18 | Seacraft GO! User Manual v1.0...
  • Page 45 As an example: If the battery capacity drops below 33 %, you will not be able to in gears above 5. Fig. 23. Dropped battery capacity Here are some examples for charging level display: Display Battery charging level Battery is 99 % charged Battery is 11 % charged Seacraft GO! User Manual v1.0 | 5-19...
  • Page 46 Do not underestimate the fatigue after the dive, sudden movements by the boat or waves. Never leave the water with the scooter in your hand while wearing your diving equipment, as this may lead to severe injuries due to falling over, going overboard etc. 5-20 | Seacraft GO! User Manual v1.0...
  • Page 47 Seacraft GO! User Manual v1.0 | 5-21...
  • Page 48 • When using a Seacraft battery di erent than the original battery built in the scooter, it is necessary to read the enclosed leafl et and instructions for use of the said battery.
  • Page 49 • 2 - Segment connection to plug into the battery housing • 3 - Segment handle for pushing in/pulling out the segment Type Li-Ion Capacity 97 Wh Max. voltage 37,5 V Length 250 mm Weight 0,54 kg 6-2 | Seacraft GO! User Manual v1.0...
  • Page 50 • Remove the battery segment holding ring, and keep it in a clean area. • One after the other, remove the battery segments, and protect their connectors with one of the supplied protection caps. Seacraft GO! User Manual v1.0 | 6-3...
  • Page 51 Fig. 25. Opened scooter with removed battery segments • Place the battery segments in the provided Seacraft transport bag. Fig. 26. Seacraft transport bag for battery segments • Install the battery holding ring again onto the scooter‘s center rod, and secure it with the locking nut.
  • Page 52 • One after the other, remove the protection caps from the battery segments, and vertically lower down the battery segment to one of the free connection ports on the scooter’s corpus. Fig. 27. Opened scooter with partly installed battery segments Seacraft GO! User Manual v1.0 | 6-5...
  • Page 53 Especially in regions with high relative humidity, it is recommended to store the scooter properly closed. This will also make sure, that no insects or foreign matter can enter the inside of the scooter. 6-6 | Seacraft GO! User Manual v1.0...
  • Page 54 • The charging progress is displayed by the colored LEDs on the right scooter display side. • If the scooter’s battery is su ciently charged for your purposes, pull o the charger plug from the scooter’s charging pins. Seacraft GO! User Manual v1.0 | 6-7...
  • Page 55 Thus, charging and using such a battery means, that all cells are charged and discharged evenly and at the same time. Now, one feature of the Seacraft modular battery is the possibility to dismantle it, in order to transport the extracted segments as hand luggage (if the chosen carrier permits this).
  • Page 56 • Plug in the scooter’s safety disconnector. • Let the scooter remain unused for 24 h, so the battery segment voltages may equilibrate. Then, close the scooter ( “5.1.3 Closing the scooter” on page 5-4). Seacraft GO! User Manual v1.0 | 6-9...
  • Page 57 (6.5.3). The battery “lifetime” in a Seacraft scooter is estimated at approx. 300-400 cycles and a period of 3-4 years. After that period, the battery will continue to work, however its capacity may be reduced due to natural battery capacity decrease.
  • Page 58 ( “6.2. Removing the battery segments” on page 6-3). It is recommended to use the optional Seacraft transport bag to keep all segments of one battery together. If you are planning to fl y with the battery segments, prepare for this, and print recommended documents from https://support.seacraft.eu/knowledge-base/fl...
  • Page 59 Caution! It is forbidden to use the scooter with a defective battery as well as with battery which is discharged or overheated (e.g. as a result of exposing the scooter to sunlight). 6-12 | Seacraft GO! User Manual v1.0...
  • Page 60 In the case of transport by land the aforementioned restrictions are not valid. Therefore, each time before sending packages containing the Seacraft scooter with battery segments installed, refer to local regulations for restrictions on the carriage of certain items or contact your carrier, distributor or the manufacturer of the scooter for detailed information on restrictions on transport of Li-Ion cells and batteries.
  • Page 61 6-14 | Seacraft GO! User Manual v1.0...
  • Page 62 Measure the voltage at the battery terminals. The battery voltage is too If it is lower than specifi ed low. as minimum for the type of battery, contact the service. The battery is damaged. Contact the service. Seacraft GO! User Manual v1.0 | 7-1...
  • Page 63 The placement of the Underwater, the battery segments plus handles of my the sum of trim weights scooter do not does not lead to creating a point upwards. “keel” for the scooter. 7-2 | Seacraft GO! User Manual v1.0...
  • Page 64 The codes are displayed in morse code style by means of long blinking intervals (approx. 1200 ms) and short blinking intervals (approx. 200 ms). Caution! If an error code is displayed, contact your Seacraft reseller, the local distributor, or create a service ticket on https://support.seacraft.eu The following error codes may be displayed (—...
  • Page 65 7-4 | Seacraft GO! User Manual v1.0...