SUEX XJS User manual

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XJS - XJT
71380 - 71381
DIVER PROPULSION VEHICLE
USER INSTRUCTION MANUAL
AND WARNINGS

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1. COPYRIGHT ......................................................................................................................................... 4
2. FOREWORD, RELEVANT TO SAFETY AND WARRANTY ............................................................... 4
3. OFFICIAL LANGUAGES AND TRANSLATIONS................................................................................ 4
4. DOCUMENT STRUCTURE AND SIGNS ADOPTED........................................................................... 5
5. DESCRIPTION AND OPERATING PRINCIPLE .................................................................................. 5
5.1. OPERATING PRINCIPLE.................................................................................................................5
5.2. PARTS DESCRIPTION.....................................................................................................................5
6. CONTENT OF THE PACKAGE AND IDENTIFICATION OF THE PRODUCT.................................... 6
6.1. PACKAGE CONTENT.......................................................................................................................6
6.2. PRODUCT IDENTIFICATION...........................................................................................................6
7. INTENDED USE.................................................................................................................................... 6
8. SAFETY INFORMATION...................................................................................................................... 7
8.1. SIGNALING PLATE ..........................................................................................................................7
8.2. TRAINING .........................................................................................................................................7
8.3. EQUIPEMENT CONFIGURATION, TRIM AND RIDING POSITION................................................7
PROPER WAYS TO CONNECT THE DPV TO THE DIVER: HARNESS AND TOW CORD ....................8
CORRECT WAY TO CONNECT THE TOW CORD TO THE SCOOTER..................................................8
DIVER POSITION .......................................................................................................................................9
WRONG WAYS TO CONNECT THE SCOOTER TO THE DIVER ............................................................9
9. PRELIMINARY OPERATIONS............................................................................................................. 9
9.1. SCOOTER START UP......................................................................................................................9
10. BATTERY............................................................................................................................................ 10
10.1. OPENING THE BATTERY COMPARTMENT.................................................................................10
10.2. EXTRACTING THE BATTERY .......................................................................................................10
10.3. RECHARGING THE BATTERY......................................................................................................11
10.4. BATTERY GAUGE DISCLAIMER...................................................................................................11
10.5. INSERTING THE BATTERY...........................................................................................................12
10.6. CLOSING THE BATTERY COMPARTMENT.................................................................................12
11. CORRECT USE .................................................................................................................................. 13
12. SCOOTER CONTROLS...................................................................................................................... 13
12.1. SWITCH ..........................................................................................................................................13
12.2. REVOLVING HANDLE AND CRUISE CONTROL..........................................................................14
13. SCOOTER DIVING SETTINGS .......................................................................................................... 15
13.1. INSERTING THE BALLAST............................................................................................................15
14. ENTERING THE WATER WITH THE SCOOTER .............................................................................. 16
15. "PARKING" THE SCOOTER UNDERWATER .................................................................................. 16
16. DESCENT RATE................................................................................................................................. 17
17. ASCENT RATE................................................................................................................................... 17
18. FREEDIVING USE OF THE SCOOTER............................................................................................. 17
19. DEPTH AND OPERATING ENVIRONMENTS................................................................................... 17
19.1. DEPTH ............................................................................................................................................17
19.2. OVERHEAD OR CONFINED ENVIRONMENTS............................................................................18
19.3. MUDDY OR SUSPENSION - FILLED ENVIRONMENTS ..............................................................18
19.4. DIVER POSITION DURING THE DIVE..........................................................................................19
20. HAZARDOUS AREA AND RESIDUAL RISKS ON SCOOTER......................................................... 19
20.1. SCOOTER FLOODING, SINKING..................................................................................................20
20.2. EXITING THE WATER WITH THE SCOOTER ..............................................................................20
HEALTH PROTECTION - LEAD...............................................................................................................20
21. SAFETY DEVICES AND SYSTEM ON BOARD................................................................................ 21
21.1. TORQUE LIMITING DEVICE AT THE PROPELLER .....................................................................21
21.2. ELECTRICAL AND MECHANICAL SAFETY SYSTEMS ...............................................................21
21.3. CUT OFF BATTERY PROTECTION SYSTEM...............................................................................21
21.4. IN CASE OF INTERVENTION OF THE CUT- OFF........................................................................22
21.5. MAIN SWITCH ................................................................................................................................22
21.6. MECHANICAL CLUTCH ON THE PROPELLER............................................................................22
21.7. TRIGGER GUARD..........................................................................................................................22
21.8. BY PASS DEVICE...........................................................................................................................22
CORRECT DIVING BEHAVIOR USING THE BY PASS DEVICE............................................................23

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OPERATIONS...........................................................................................................................................23
BY PASS KNOB PROTECTION ...............................................................................................................24
22. RUNNING TIME AND SPEED............................................................................................................ 24
23. BLUETOOTH CONNECTION............................................................................................................. 24
24. PRECAUTIONS FOR USE ................................................................................................................. 25
25. CLEANING AND PREPARATION FOR STORAGE.......................................................................... 26
26. HANDLING INSTRUCTIONS ............................................................................................................. 26
27. STORAGE........................................................................................................................................... 27
27.1. GENERAL STORAGE INFORMATION ..........................................................................................27
27.2. LONG TERM STORAGE ................................................................................................................27
27.3. RESUME FROM STORAGE...........................................................................................................27
28. MAINTENANCE.................................................................................................................................. 27
28.1. MAINTENANCE O RING SEALING ENCLOSURE........................................................................27
28.2. MAINTENANCE CLOSING KNOB SEALS.....................................................................................28
28.3. ALUMINUM BODY MAINTENANCE...............................................................................................28
28.4. PROP LOCK PROPELLER.............................................................................................................28
HOW TO REMOVE THE PROP LOCK PROPELLER..............................................................................28
HOW TO INSERT THE PROP LOCK PROPELLER ................................................................................29
28.5. MAINTENANCE PROP LOCK PROPELLER .................................................................................29
28.6. TROUBLESHOOTING ....................................................................................................................30
TROUBLESHOOTING PROP LOCK ........................................................................................................30
28.7. MAINTENANCE MASTER PLAN....................................................................................................31
28.8. CONTACT TECHNICAL ASSISTANCE..........................................................................................31
29. TECHNICAL SPECIFICATIONS ........................................................................................................ 32
29.1. NOISE AND VIBRATIONS..............................................................................................................32
30. TRANSPORT OF THE LI ION BATTERY .......................................................................................... 33
TRANSPORT OF THE BATTERY OUT OF THE SCOOTER...................................................................33
TRASPORT OF THE BATTERY INSIDE THE SCOOTER.......................................................................33
31. WARRANTY........................................................................................................................................ 33
32. REACH COMPLIANCE STATEMENT ............................................................................................... 34
33. ROHS AND WEEE CONFORMITY .................................................................................................... 34
33.1. ROHS COMPLIANCE STATEMENT ..............................................................................................34
33.2. WEE COMPLIANCE STATEMENT ................................................................................................34
33.3. DISPOSAL AND SCRAPPING .......................................................................................................35
34. CE CONFORMITY .............................................................................................................................. 36
35. QUALITY MANAGEMENT SYSTEM ISO 9001 ................................................................................. 36
36. ENVIRONMENTAL CERTIFICATION ISO14001............................................................................... 37
37. LOCAL DISTRIBUTOR....................................................................................................................... 37
38. DOCUMENT HISTORY....................................................................................................................... 37

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Welcome to the world of SUEX
SUEX s.r.l. congratulates and thanks you for your trust in purchasing Suex Diver SCOOTER. Every SCOOTER is
the result of extensive experience and prolonged prototype testing. A capable and creative staff, assisted by highly
courageous diving experts with proven professional and recreational abilities, have created this and other
SCOOTERS to assist and extend your underwater dives.
However, never overestimate your abilities and always undertake specific underwater diving courses to be able to
use a SCOOTER in total safety.
Always remember that fun should NEVER put your life at risk.
The SUEX staff
1. COPYRIGHT
Copyright –SUEX S.r.l., 2020
All rights reserved. No part of this publication can be reproduced and distributed by any method, mechanical or
electronic, without the written permission of SUEX S.r.l., via Roma 261/35 31020 Villorba (TV) Italy.
2. FOREWORD, RELEVANT TO SAFETY AND WARRANTY
This manual contains important precautions, warnings and information for the correct functioning of the SCOOTER
during the entire life cycle. For this reason it is very important that it is read CAREFULLY before using the SCOOTER.
•The SCOOTER is delivered in perfect state of maintenance, accompanied by the relative instruction manual.
•Anyone preparing to use the SCOOTER is considered to have undergone specific training, certified by a qualified
agency, for the conduct of the SCOOTER.
•Follow the instructions indicated in this manual for the correct use of the SCOOTER.
•Incorrect use of the SCOOTER or lack of maintenance can lead to dangerous operations and can cause injury /
death or loss.
SUEX s.r.l. declines any responsibility for injuries / death and / or losses consequent to the improper use of the
SCOOTER or to the lack of maintenance.
The SCOOTER and its components, specifically the battery and the charger, are intended for an adult and expert
user, who has carefully read the battery recharging and use manual.
Due to constant technological developments, the SCOOTER SUEX s.r.l. can be changed at any time without notice.
IT IS FORBIDDEN to use the SCOOTER under the effect of alcohol or drugs and in
any case in which the psycho-physical conditions are not suitable for carrying out
the diving activity.
3. OFFICIAL LANGUAGES AND TRANSLATIONS
The SUEX Manuals are released exclusively in Italian and English. In the event of a dispute, these versions are the
legal reference only.
The local distributor may request authorization from SUEX for the execution of translations in different languages
upon acceptance of the relevant company regulations.
The manual does not replace an appropriate diving course.
This manual DOES NOT DEPART IN PARTICULAR ASPECTS RELATED the
BATTERIES, it provides only brief references to questions concerning their use
and management: for any question concerning batteries, REFER to the USER
MANUAL OF BATTERY PACKS accompanying and completing this manual. The
complete knowledge of the correct use and management of the batteries, which
derives from the reading and understanding of what is described in the specific
publication, is ESSENTIAL AND MANDATORY PREREQUISITE for the use of the
SCOOTER.

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4. DOCUMENT STRUCTURE AND SIGNS ADOPTED
This manual describes and explains the aspects necessary for the correct use, perfect maintenance in operation of
the of the underwater SCOOTER XJ - T and XJ - S.
The manual is divided into different sections, each one dedicated to a single topic.
Each section, if necessary, contains respective subsections, dedicate to the description of all the details needed to
the correct understanding of the operations and the actions to be carried out.
When useful, drawings or diagrams are shown for illustrative purposes to allow for the correct identification of parts
and the actions to be performed.
Pay special attention to the hazard signs in this manual. Warning signs that are placed next to a paragraph indicate
respectively:
DANGER!
This signal warns that failure to comply with what is described exposes the user
to risks that could cause damage to health, serious injury or even death.
5. DESCRIPTION AND OPERATING PRINCIPLE
5.1. OPERATING PRINCIPLE
The underwater SCOOTER (VR- X 71419 and VR- T 71420) consists of a perfectly hermetic hollow body, with a
hydrodynamic shape, (fig. 1), inside which the electric motor, the rechargeable batteries and the speed reducer
necessary to move a propeller that provides a propulsive thrust.
5.2. PARTS DESCRIPTION
On the front there is a handle (4 - Fig.1) which is used for gripping and lifting the SCOOTER and the nosecone (8)
whose opening gives access to the battery compartment. The opening of the nosecone is possible by turning the
closing handwheel (9) counterclockwise.
The cap (6A) are located posteriorly, which has the function of protecting the charging connector. The charging
connector allows the battery to be recharged from the outside without removing it (only with the use of LI ION
batteries), see chapter "Battery charging".
In the rear portion, there is a manoeuvring handle (1), where the trigger (2) is integrated which, by controlling a
magnetic piston (3), allows the control of the rotation of the propeller. The propeller (10) is located at the rear end
which, by turning, generates the propulsion thrust, the latter being protected by a radial circular band which
constitutes the flow conveyor (5). Always at the rear there are the main switch (6) which disconnects the power supply
and the speed adjustment knob (7).
WARNING!
This signal warns that failure to comply with what is described exposes the user
to risks that do not normally lead to damage or injury.
CAUTION!
This signal warns that failure to comply with what is described exposes the user
to risks that could cause permanent damage to the vehicle.

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Fig.1
6. CONTENT OF THE PACKAGE AND IDENTIFICATION OF THE PRODUCT
6.1. PACKAGE CONTENT
Verify that the following components are present in the package:
•One underwater SCOOTER
•One battery
•One battery charger
•One accessory kit (which includes a salt water ballast).
6.2. PRODUCT IDENTIFICATION
7. INTENDED USE
The SCOOTER manufactured by SUEX s.r.l. has been designed and built for towing a diver underwater. The diver
is assumed as being part of an army and be professionally trained to the diving practice.

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The SCOOTER has been designed, sized and manufactured for the sole purpose
described above. Any other use has to be considered inappropriate and
potentially DANGEROUS.
The SCOOTER has been designed, sized and manufactured for the sole purpose
described above. Any other use or operation that does not comply with the
instructions contained in this manual, may damage the SCOOTER. This would
prevent the conditions for which it has been designed and built from being
achieved, and may compromise its technical and safety characteristics.
The manufacturer shall not be liable for damage to persons and/or objects deriving
from inappropriate use of the vehicle.
The SCOOTER IS NOT A LIFE-SAVING DEVICE: the diver must always plan the
dive in full safety conditions, without relying on the SCOOTER functioning support
for surviving.
Any ALTERATION that may substantially modify the SCOOTER functioning or
intended purpose:
- is forbitten
- is potentially dangerous
- is ground for exclusion from the warranty.
SUEX non risponde per danni a persone e/o cose derivanti da uso non conforme.
8. SAFETY INFORMATION
8.1. SIGNALING PLATE
The following label is glued on the SCOOTER, it must never be removed and in case of illegibility it must be replaced
with a new one to be requested from SUEX assistance. The removal of this label implies the non-responsibility of
SUEX s.r.l. for accidents occurring as a result of conduct held in contravention of the indications contained therein.
8.2. TRAINING
To use the SCOOTER the diver must have obtained the necessary certification from qualified agencies.
A lot of information is also available to the kind customers on the site: www.suex.it.
8.3. EQUIPMENT CONFIGURATION, TRIM AND RIDING POSITION
The SUEX SCOOTERS are of the TOW BEHIND type: ideal use requires that the diver be towed while remaining
behind the SCOOTER.
The SCOOTER should not be improperly connected to the diver.
The diver must be adequately trained to face and manage his dive safely even in the event of a SCOOTER failure.

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The user must be able to leave the SCOOTER at any time and with extreme ease.
The diver must always carry a cutting device with him in the event that it is necessary to cut the tow cable that may
be used.
PROPER WAYS TO CONNECT THE DPV TO THE DIVER: HARNESS AND TOW CORD
The SCOOTER must be connected to the diver via a cable and a quick release carabiner.
Use the correct towing harness (see SUEX accessories) and the two cords provided.
Connect the carabiner to the front D-ring of the harness.
CORRECT WAY TO CONNECT THE TOW CORD TO THE SCOOTER
The tow cord must be connected to the SCOOTER on the two holes near the handle on the propeller conveyor, see
the following images.
Rope fastening to the left
handle
Fixing to the right handle, with
adjustable knot.

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DIVER POSITION
The figure above shows a diver in a technical configuration with a correct position of the SCOOTER with respect to
the person. Different positions would reduce efficiency in advancement.
For good traction efficiency the length of the tow rope must be adjusted taking into account the build of the diver: it
is very important to be able to obtain the position shown above.
Users have to make sure that the equipment (hoses, regulators, pony bottles,
pressure gauges, audible alarms, flashlights and pertinent cables, reels, etc) do
not dangle and cannot get into contact with the propeller and get entangled
creating serious hazard situations.
WRONG WAYS TO CONNECT THE SCOOTER TO THE DIVER
These include cords with knots, chains and elastic cords, to name a few, that do
not allow the SCOOTER to be immediately abandoned in the event of emergency!
They are forbidden and to be considered potentially dangerous!
9. PRELIMINARY OPERATIONS
The following operations must be carried out after a complete and careful reading of the instruction manual by
adequately trained personnel.
Upon receipt of the SCOOTER after checking the integrity of the packaging and the contents of the package:
•Check that the SCOOTER is hermetically sealed: that there are no spaces between the various components;
•Proceed with charging the battery (see chapter "Battery");
•Insert the sea ballast in the case of immersion in salt water (see chapter: "Setting up the SCOOTER during
immersion").
9.1. SCOOTER START UP
Once the above mentioned preliminary operations are carried out;
•Submerge the SCOOTER
•Verify that the propeller is free from any obstructions;
•Turn the main switch to the ON position (6 - Fig.1);
•Hold the SCOOTER (by the handle (1));
Correct equipment configuration is a key factor for the safe diving in general and
it becomes vital when diving with the SCOOTER. As a rule, the type and position
of the diving equipment should guarantee perfect streamlining and no elements
should protrude or be left dangling.

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•Press the trigger (2), the SCOOTER starts to move;
•Releasing the trigger, the SCOOTER stops;
•The dive begins.
10. BATTERY
For more details, see the user manual relating to the battery which is an integral part of this document.
10.1. OPENING THE BATTERY COMPARTMENT
Put the SCOOTER in vertical position on the shroud (5) on a flat surface.
Turn the front fastening knob (9) counter-clockwise. When rotating the knob the nosecone (8) (see fig. 1) starts to
lift. Continue rotating the knob until the nosecone detaches from the body.
10.2. EXTRACTING THE BATTERY
Once the cap has been removed, unscrew the ring nut (11), extract the drop drap ring (11A) and remove the battery
(14) by pulling it upwards by sliding it off the rod (13) (fig. 3). When the battery is completely removed, disconnect
the red connector (15).
Fig.2
Fig.3

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10.3. RECHARGING THE BATTERY
THE BATTERY SHOULD BE RECHARGED ONLY THROUGH THE CONNECTOR (26
- Fig.4), IT IS FORBIDDEN TO CHARGE THE BATTERY WHEN IT IS CONNECTED
TO THE ENGINE: SERIOUS DAMAGE OR DEATH IS RISK..
The XJ-T model SCOOTER mounts a NiMh battery, while a LI-ION battery is provided for the XJ-S model.
XJS –Li ion
XJT - NiMH
Fig.4
To recharge the battery, remove the battery (14) from the Scooter (fig. 3), put it in a safe place away from people
and flammable objects, unscrew the cap of the charging connector (24) (fig. 4), connect the socket battery charger
power supply to the mains and connect the charging connector (26) to the battery charger (see Battery charger user
manual). At the end of charging, disconnect the battery charger and screw the cap (24) of the connector (26) back
on. Insert the battery into the scooter only if you intend to use it.
10.4. BATTERY GAUGE DISCLAIMER
When the ON / OFF switch is in the ON position, a control of the scooter's electronics is activated and the LEDs
relating to the charge indicator light up in various sequences.
To view the state of battery charge, activate the Scooter trigger, after a few seconds from switching on, the lit LEDs
will be displayed: the charge level varies according to the quantity of lit LEDs.
The battery should only be recharged using the special battery charger supplied.

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For example with Li ION Battery:
9 LEDs on: battery charge from 90% to 100%
8 LEDs on: battery charge from 80% to 90%
7 LEDs on: battery charge between 70% and 80% and so on ...
For example with NiMh battery:
9 LEDs on: battery charge from 90% to 100%
5 LEDs on: half charge
1 led on: end of charge, until the battery cut off intervenes.
•The charge indicator on board the SCOOTER or its display on an external device (only for LI ION batteries)
provides an approximate indication of the battery charge status.
•The charge indicator on the SCOOTER provides an approximate indication of the state of charge of the battery.
•The battery is subject to a decrease in its capacity due to various factors including the main ones: age, use and
environmental conditions. For example, two batteries can indicate the same state of charge but have very
different durations in use due to the above factors.
•A particularly heavy use or, on the contrary, poor use, with a few complete charge / discharge cycles, particular
environmental factors, damage to the battery can lead to an early decay of its effective capacity and therefore of
its duration during use, as well as false readings of the state of charge.
•The same battery in different environmental situations can have different durations.
•Depending on the general condition of the battery and its use, the various sectors that indicate the state of charge
during use may not accurately reflect the residual state of charge of the battery.
•For these reasons, before each dive, it is advisable to charge the battery to 100% until the charger indicates the
end of the charge.
•Do not use the charge indicator as a tool to program the dive or the duration of the dive during its course, but
program the dive with the usual safety parameters.
NOTE: SUEX s.r.l. disclaims any responsibility for the failure or incorrect evaluation of the remaining battery charge
that has led to incorrect assessments regarding the autonomy of the SCOOTER.
Remember that the SCOOTER must be only an aid to diving and NOT A MEANS OF RESCUE!
10.5. INSERTING THE BATTERY
To insert the BATTERY, place the Scooter vertically and repeat the battery extraction operation exactly in reverse:
taking care to center the anti-rotation pin (16 - Fig. 5) in the hole located on the bottom of the battery.
Fig.5
10.6. CLOSING THE BATTERY COMPARTMENT
Always with the scooter upright on the guard, carefully check that the closing O-ring gasket (19) (fig.6) is inserted in
its seat, clean and adequately lubricated with vaseline oil. Also check the cleanliness of the body seat (20), if
necessary wipe with a clean microfibre cloth to remove dust or sand. Insert the bow cap (8) by matching the screw

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(18) with the hole (17). Turn the handwheel (9) clockwise until completely closed without over tightening using only
the force of two fingers.
11. CORRECT USE
After the preliminary operations, proceed as follows to start the SCOOTER:
•Always make sure that the switch (6 - Fig.1) is in the OFF position,
•Immerse the SCOOTER in water and check that there are no foreign bodies between the propeller blades.
Otherwise, with the switch in the OFF position, remove the SCOOTER from the water and free the propeller
blades from the foreign object.
In spite the propeller is equipped with a safety clutch to reduce the risk, using the
hands or other parts of the body is a potentially danger operation.
For this reason absolutely necessary to AVOID TO INTRODUCING HANDS or other
parts of the body, INTO THE PROPELLER zone.
In case access here is needed for cleaning or undesired objects removal, use a
stick or a suitable tool.
•Turn the switch (6-Fig.1) clockwise, completely, without forcing.
•Grip the handle of the SCOOTER (1) or, if used, hook the carabiner to the towing harness.
•Press the trigger (2) until the engine starts.
•To stop the propeller, release the trigger (2).
CAUTION:
• By pressing the trigger, the propeller begins to rotate and the SCOOTER begins
to advance;
• When the trigger is pulled, the SCOOTER will not start IF the main switch is
turned to one of two speeds.
To change the speed of the SCOOTER, turn the knob (7 - Fig.1): turn clockwise to drive at moderate speed; rotate
counterclockwise to increase speed (as shown in the following figure). This change of speed can be carried out at
any time, even while diving.
When the SCOOTER is not in use, turn off the main switch (6) by turning it anticlockwise until it switches off.
12. SCOOTER CONTROLS
12.1. SWITCH
The main switch (6 - fig.1) cuts off the battery power supply to the motor.
The use of the switch prevents accidental operation of the SCOOTER.

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12.2. REVOLVING HANDLE AND CRUISE CONTROL
Fig.7
In the control device (fig. 7) we find: the trigger (43D), a fixing knob (43A) and a relative knob locking screw, a handle
(43B), an accessory fixing knob (43C), two seats for accessories (46) and cruise control (43).
The handle has four positions: two for use (right or left) and two for lifting (up or down).
As for use, the handle can be positioned on the right (as in Fig.7) or on the left.
To move the handle: unscrew the knob (43A) without removing it, rotate the handle, repositioning it on the opposite
side and screw the knob back on.
To make it easier to lift the SCOOTER, the handle can be positioned at the top or bottom, by unscrewing the knob
(43A) without extracting it, rotate the handle to the desired position and screw the knob back on.
The seat (46) is useful if the optional accessories are used (for more details visit the website: www.suex.it).
The cruise control knob (43) can be mounted either to the right or to the left of the handle.
The Scooter, as shown in the figure below, has two speeds:
•Position a): OFF;
•Position b): First speed adjustable using the speed adjustment knob (7 - Fig. 1);
•Position c): Second speed, maximum speed.

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The diver must be able, at any time, to intervene on the cruise control knob, on the
trigger and on the switch in order to avoid any type of collision or dragging the
diver into dangerous areas.
The knob cruise control (43) (see fig.7), must only be used under the diver’s
maximum control. The knob, trigger or DPV ignition switch must be accessible at
all times to avoid any type of collision or driver dragging risks in hazardous areas.
The knob must only be used to lock speed, adjusted to 50% of available power at
best. Locking DPV ignition at maximum power is potentially hazardous.
During the normal DPV use the knob must be positioned in such a way as to allow
the trigger to move freely and will not interfere the normal return of the trigger.
Only use the knob with fingers.
IN ANY CASE, PAY THE UTMOST ATTENTION DURING CRUISE CONTROL KNOB
USE SINCE THIS OPERATION COULD BE POTENTIALLY HAZARDOUS.
13. SCOOTER DIVING SETTINGS
The trim of the SCOOTER must be NEUTRAL and in an almost horizontal position. This means that it must remain
at the desired depth without sinking or floating and in a horizontal position.
The SCOOTER is supplied with neutral buoyancy in fresh water.
By adding the sea ballast (23 - 23A, Fig.8), supplied, the Scooter can be adapted for use in salt water.
13.1. INSERTING THE BALLAST
Fig.8 (view of the Scooter without the outer casing)
As shown in fig. 8, the XJ Scooter (both the XJT model and the XJS model) is equipped with the 23A ballast. If
necessary, based on the salinity of the water, it is possible to further adjust the trim of the scooter by also adding the
ballast 23.
To insert the sea ballast proceed as follows:
•Remove the nosecone and the battery from the scooter (see paragraph "Opening the battery compartment");
When turning the Main switch ON, be sure that nor the trigger is pulled (fig. up -
b/c) or the cruise control knob is engaged.
When the trigger is pulled or cruise control knob is engaged the DPV does not
start even when the Main ON/OFF switch is in ON position.

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•Remove the spacer (yellow for XJT model, green for XJS model);
•Insert the sea ballast (23) by inserting it along the pin (13) and also inserting it in the anti-rotation pin (16 - Fig.
5);
•If it is necessary to insert the ballast 23A: unscrew the two captive nuts with wrench N ° 7, insert the ballast (s)
and screw the captive nuts (see Fig. 8).(If ballast 23A is already present, it must not be removed).
•Insert the spacer (yellow / green) and the battery (taking care to connect the red connector if you intend to use
the scooter immediately);
•Screw the ring nut (11 - Fig.3) and close the scooter (see paragraph "Closing the battery compartment").
It is also possible to vary the trim with respect to the one set in the factory, by moving the battery along the pin (13 -
fig. 8):
•remove the battery,
•loosen the dowel (21) with a 4 mm hex wrench,
•unscrew or screw the ring nut (22): by screwing it the Scooter tends to position itself with the "stern" sinking,
unscrewing it will have the opposite effect,
•screw the grain (21) back without forcing,
•reinsert the battery,
•check the trim of the scooter in the water.
Repeat the operation until the desired setting is achieved.
Entering the water is one of the most delicate moments in the dive. Various factors like the change in temperature,
use of scuba equipment, the weight of the equipment and other difficulties make the addition of the SCOOTER an
inevitable added task loading.
14. ENTERING THE WATER WITH THE SCOOTER
Before turning on or using the SCOOTER, make sure that all the equipment in use
for the dive is correctly positioned and in good working order. Only use the
SCOOTER after completing these checks. Incorrect dive preparation is highly
dangerous and, in some situations, the SCOOTER may represent an additional
hazard.
Pay particular attention when entering rough sea since waves could lift and launch
the SCOOTER against the diver with even fatal consequences. Never activate the
SCOOTER until the diver is in the water and prepared to begin the dive.
AFTER entering the water and have submersed the SCOOTER, the main switch can be switched ON.
The SCOOTER must only be switched on when it is in the water: spinning the
propeller in the air can be dangerous and damage the hydraulic seal of the motor
shaft.
Once into the water, pull the trigger (toward the diver) to activate the propeller.
Releasing the trigger stops the propeller.
15. "PARKING" THE SCOOTER UNDERWATER
When diving you may need to “park” the SCOOTER to continue the dive with fins only, recovering the SCOOTER
later.

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DO NOT USE THE SCOOTER TO MAINTAIN OR GET THE DECOMPRESSION
QUOTE.
16. DESCENT RATE
The SCOOTER allows you to accomplish a fast descent rate.
AVOID USING THE SCOOTER to increase the descent rate as it can emphasise
problems related to the decompression and to the psychophysics acquaintance.
17. ASCENT RATE
The SCOOTER MUST NEVER BE USED FOR VERTICAL ASCENTS. Using it in such
a manner may result in an excessively rapid ascent WHICH IS POTENTIALLY
DANGEROUS. During the ascent DEACTIVATE IT BY TURNING THE MAIN SWITCH
OFF, place it out of the way, and ascend normally.
18. FREEDIVING USE OF THE SCOOTER
Freediving is highly dangerous activity itself. The use of the SCOOTER for
freediving could cause serious accidents. Always be certain and aware of diver
capabilities. Adequate training courses are essential for diver safety.
19. DEPTH AND OPERATING ENVIRONMENTS
19.1. DEPTH
DO NOT EXCEED THE MAXIMUM OPERATING DEPTH.
It is important to remember that maximum SCOOTER operating depth refers to the
SCOOTER in perfect working conditions. Collisions, scratches or deformations
might significantly reduce this limit.
It is strongly recommend to turn the switch in OFF position and leave the
SCOOTER far from areas with currents that could cause the SCOOTER to collide
with rock walls, the sea bottom or boats. Violent collisions could compromise the
SCOOTER’s hermetic seal and irreparably damage it.
During decompression stops turn the SCOOTER OFF in order to avoid accidental
starts and uncontrolled ascent.

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In any case, diving is a VERY DANGEROUS activity, THE USE OF THE SCOOTER
IN SUCH ENVIRONMENTS INCREASES THE RISK OF IMMERSION.
19.2. OVERHEAD OR CONFINED ENVIRONMENTS
Dives in such environments, where obstacles to movement are present, either due
to the ambient itself for dispersed material in the dive area (e.g. debris, ropes,
weed or animals) or confining the manouvre space (caves, ice layers, wrecks), are
already VERY DANGEROUS.
INCORRECT USE OF THE SCOOTER IN SUCH ENVIRONMENTS INCREASES THE
DIVING HAZARDS.
DIVING IN SUCH ENVIRONMENTS REQUIRES ADEQUATE TRAINING BY
QUALIFIED AGENCIES.
The diver must be able to exit the overhead environment without the use of the SCOOTER.
19.3. MUDDY OR SUSPENSION - FILLED ENVIRONMENTS
These include those environments, obstructed or otherwise, in which visibility
may suddenly fall to zero due to the suspension that is created by moving the bed
sediment. Dives in these environments are already VERY DANGEROUS.
INCORRECT USE OF THE SCOOTER IN SUCH ENVIRONMENTS INCREASES THE
DIVING HAZARDS.
DIVING IN SUCH ENVIRONMENTS REQUIRES ADEQUATE TRAINING BY
QUALIFIED AGENCIES.

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19.4. DIVER POSITION DURING THE DIVE
- The diver’s head or other body parts should never be beyond the propeller
conveyor (5) (see fig. 1) where flow is suctioned.
- Do not direct the flow from the conveyor at you. This hampers the propulsion
drive and could move your equipment away from you.
- Do not ride the SCOOTER.
- Do not attach the SCOOTER to your tanks or their supports in any way.
- Do not attach the SCOOTER to your body, legs, arms or other parts in any way.
- Do not use more than one SCOOTER simultaneously.
- Do not start the SCOOTER with body parts other than your right hand.
- Do not direct propeller flow at the sea bottom to avoid raising sand or mud.
20. HAZARDOUS AREA AND RESIDUAL RISKS ON SCOOTER
In spite the propeller is confined into the flow conveyor which constitute a mechanical guard, it is anyway possible to
get in contact with the propeller accessing the duct either from its inlet and the outlet opening. At these gates no
mechanical guard are installed due to the fact that their presence would hugely obstacle the water stream into the
conveyor, highly depleting the efficiency of the vehicle and the SCOOTER running time as a result.
In case a grid were installed at the inlet section of the conveyor then it would easily obstruct by see weed or other
dispersed materials, requiring the diver to stop frequently to clean and this might be not possible in safety condition
all the dime during the dive. Neither a grid at the outlet section would be opportune as it would impede any entangling
manoeuvre in case wires, ropes and similar would be wrapped into the propelled, stopping the SCOOTER. All these
scenarios would represent too frequent distractions to the diver, incompatible to the need to pay the continuous and
highest attention to all the other safety aspect the subwater environment does require.
The propeller is equipped with a safety clutch. The propeller is also equipped with a safety clutch.
RISK OF IMPACT, CRUSHING, LACERATION
For the reasons described before, the risk exists for the SCOOTER at all the
openings of the conveyor. The diver must be always aware of this risk, although
mitigated by the presence of the safety clutch between the motor and the
propeller, as well as any other person likely to come in contact with the SCOOTER.
Also because of the conveyor in/out openings around the propeller is possible that flexible and long materials can be
driven by the flow and wired around the spinning propeller.
ENTANGLEMENT AND CUT HAZARDS
Do not insert any object or body part inside the flow duct, that could obstruct the
rotating propeller blades. Maintain a safety distance of at least 40 cm must
between the diver’s body and the propeller assembly.
DIVERS WITH LONG HAIR SHOULD WEAR A HOOD. LONG HAIR MAY BECOME
ENTANGLED IN THE PROPELLER IN THE EVENT OF IMPROPER USE.
AVOID OBJECTS SUCH AS FISHING LINES, DIVING EQUIPMENT, TO COME IN
CONTACT WITH THE PROPELLER.
AVOID ANY OBJECTS SUCH AS ROPES, FISHING LINES, UNDERWATER
EQUIPMENT, FLOATING TOYS OR ANY OTHER THINGS THAT COME TO VISIT
NEAR THE PROPELLER.
CRUSHING RISK
During the closing phase of the body or cap, be careful not to interpose your
fingers between the two closing parts.

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RISK OF EJECTION OF OBJECTS OR FRAGMENTS
IN THE FLOW OF WATER EXPELLED FROM THE PROPELLER, SHARP OR
ABRASIVE SOLID FRAGMENTS MAY BE PRESENT: THE DIVER MUST WEAR
APPAREL SUITABLE FOR PROTECTING THE BODY, HANDS AND EYES FROM
POSSIBLE CUTS AND ABRASIONS.
THE USE OF PROTECTIVE GLOVES IS ALWAYS MANDATORY
NEVER leave the SCOOTER unattended specially near CHILDREN. Always turn it
off before exiting the water and disconnect the battery as soon as possible (see
previous chapters).
20.1. SCOOTER FLOODING, SINKING
The flooding of the SCOOTER and consequently its sinking is a hypothesis that could occur mainly as a result of:
•un uso improprio,
•un forte urto,
•una chiusura scorretta dello SCOOTER,
•un'inefficiente manutenzione.
In the event of flooding, the scooter will start to tilt downward and thus sinks.
In the event of total flooding, the situation could become POTENTIALLY
HAZARDOUS since the SCOOTER becomes negative and will start to SINK,
DRAGGING THE DIVER DOWN and therefore the scooter MUST BE IMMEDIATELY
ABANDONED.
20.2. EXITING THE WATER WITH THE SCOOTER
Exiting the water is another delicate moment in the dive and, in this case too, the addition of the SCOOTER could be
an extra task loading.
Depending where the dive started, always make sure the SCOOTER is the last
piece of equipment to recovery. Always put diver own safety first.
Pay particular attention when exiting rough sea since waves could lift and launch
the SCOOTER against the diver with even fatal consequences.
HEALTH PROTECTION - LEAD
In spite the contact whit the ballast elements is rare and therefore minimal the
exposure of humans and environment, the ballast elements contain metallic Lead
(inorganic).
Hazard Statements
(H360FD) May damage fertility. May damage the unborn child.
(H362) May cause harm to breast-fed children.
(H410) Very toxic to aquatic life with long lasting effects.
Precautionary Statements
(P201) Obtain special instructions before use
(P260) Do not breathe dust/fume/gas/mist/vapours/spray
(P263) Avoid contact during pregnancy/while nursing
(P280) Wear protective gloves/protective clothing/eye protection/face protection