Jefftron Leviathan V3 Manual de usuario
INSTALLATION MANUAL
FOR GEARBOX V3
1
Package contents
- Leviathan-V3 drop-in module with complete
wiring to front or above gearbox
- 2x screw and pad to secure it in the gearbox
- 2x dierent foams for hair trigger mode
- Real feel trigger system (RFTS) spring
- Sheet with selector plate stiskers
- Leviathan black 40mm round sticker
- Installation manual
Leviathan - V3 parameters
- It is processor controlled electronic trigger unit with wireless communication.
- Device paramethers are changed with smartphone via application (Android and iOS).
- Device is fully integrated inside the gearbox V3 instead of the original trigger contacts.
- The gearbox has to be compatible with Tokyo Marui standard or Tokyo Marui NGRS V3.
- Completely made wires with mini fuse and T-plug connector to front or above gearbox.
- It adds new shooting modes, controls RoF, pre-cocking, active braking, virtual magazine,
input port, electronic fuse, low battery indication, statistics, proles, ...
- Usable for battery with max. 17 volts (max. lipol 4S 14,8V).
Safety warning
- Installation of this device into the gearbox requires advanced technician skills!
- Please read these informations before installing your device to prevent any damage.
- Short circuit or incorrectly connected battery will cause immediate damage to the de-
vice which is not covered by the warranty. It can lead to re or even battery explosion.
- Disconnect battery, when you aren‘t using the gun! Otherwise you will fully discharge
the battery. Because the device drains small amount of current from it all the time.
- Don‘t connect battery when gun pointing towards you, another person or an animal.
- Don‘t modify, repair, put into any kind of liquids or thermal shock the Leviathan.
2
Device overview
- Optical sensor for trigger pull detection is
in the red circle.
- Cycle optical sensor for the sector gear
detects gear cam movement(green circle)
- Yellow reset button hold for 2s, password
is reset to 1234 after vibration from motor
(settings are reset too).
Optical sensor is for detection SAFE, SEMI
and AUTO position. It is shown in the red
circle. For its function is neccessary to pla-
ce sticker on the selector plate.
Keep in place transparent foil, it prevents
from short circuit through RFTS spring.
Overal look on the wiring to front or top.
Black motor wire lead to the right.
3
External ports
Input terminal
- Leviathan has 3 pads for connecting exter-
nal button, virtual reload or sensor.
- 3,1V is in the red area (for sensor only), it s
covered by foil - partly remove it from right
side and put it back after wire solder.
- Signal is in the yellow area.
- Negative pole is in the green area.
- External button connects on SIG and GND
pad (doesn‘t matter on polarity).
- In the app use interface „External input“ to
activate desired function.
Output pads
- Leviathan has 2 pads on the board for
powering hop-up LED illumination, ashli-
ght, laser, magazine motor etc.
- Positive pad is battery voltage (red area).
- Negative motor pad is in the green area.
- These pads cannot be controlled from the
smartphone app. The power supply will
work only when the motor is running.
WARNING: Installation requires advanced soldering skills! Wires can‘t touch other pads
and components on the board. Damage to the Leviathan will void the warranty!
For AUG weapon connect external AUTO
trigger contact to SIG and GND pad.
4
Insertion procedure of Leviathan - V3 into the gearbox
1. Remove and open the gearbox according to the normal gun disassembly procedure.
2. Take out all the internals from the gearbox and clean the vaseline, oils after them.
3. Check the gearbox for edges. Grind for smooth surface to prevent Leviathan damage.
4. Take out these parts out of the gear-
box (not used with the Leviathan).
5. Remove other internals from gear-
box. Prepaired gearbox for installation.
Gearbox shell modication
On the picture 6 sharp edge on the gearbox can damage sticker for selector position.
Modication on the picture 7 is necessary only if you want to use RFTS spring.
RFTS spring is NOT fully compatible with Retroarms gearbox, because of short pin.
6. Grind edges on the gearbox to not
catch sticker while the selector plate is
moving.
7. To place RFTS spring you have to
grind edge on the left on the pin whe-
re is normally spring for trigger shuttle.
WARNING: Clean the gearbox from lings after the grinding!
5
13. place the blue wire to the black
wire where is window in the gearbox.
11. Insert Leviathan board rst throu-
gh the window in the gearbox.
12. Leviathan board shouldn‘t be bend
in the gearbox.
9. Remove metal part on the selector
plate. It could make short circuit.
10. Keep in place transparent foil, it pre-
vents from short circuit through gearbox.
8. If you want functions on SAFE pos.,
remove G36 /grind AK part in red area.
Mechanical locking will be disabled.
6
15. Make sure the screws doesn‘t stick
outside of the gearbox. If yes grind it.
16. Check if aren‘t any parts in contact
with the gearbox around red area.
14. Insert the Leviathan - V3 instead of the original contacts:
- Check if the Leviathan - V3 is laid at on the gearbox shell.
- Adjust the Leviathan position to the same distance from sector gear bearing (red line).
- Use large screw with washer (blue arrow) from the package for tightening the board
near the sector gear. If screw doesnt t into the hole, use stock screw from cut o lever.
- If the gearbox has hole in this place put smaller screw above reset button (green circles).
7
17. Check sector gear height, it can‘t
touch the optical sensor or screw. Use
small washers diamether.
1. Choose sticker according your gun.
Take out one of 4 stickers by pliers.
Do not touch the sticker by hand!
2. Clean selector plate by degreaser
and place sticker on its right edge and
to the center of the selector plate.
3. Placed sticker on AK selector plate. 4. Placed sticker on G36 selector plate.
5. Check smooth selector plate move-
ment on the gearbox. Sticker can‘t
catch on the gearbox edges.
Selector plate sticker installation
8
2. Insert RFTS spring on the grinded
pin in gearbox - see pic. 7 on page 4.
Sector gear can‘t interfere with it.
3. Lube the top part of the trigger by
small amount of vaseline (for RFTS).
RFTS spring installation
- Real feel trigger system (RFTS) is optional feature, added spring simulates trigger resis-
tance like in the real gun. It adds secondary resistance with reset after the re.
4. Trigger has to be after RFTS spring.
6. AK only: Grab spring with pliers and
push it through hole in the gearbox.
1. Grind tapped plated on selected area
5. Insert the remaining parts into the
gearbox, put it together. Check if top
of RFTS spring stays on the pin.
9
Foam Installation for hair trigger (optional feature)
- In the package are 2 types of foams (2pcs each), black has width 2mm, white width 1mm.
- Foam is placed on the trigger, which interrupts the optical sensor beam with shorter pull.
7. AK only: hold spring from the
bottom and bend it with pliers.
8. G36 only: push spring to the
bottom edge of the gearbox.
WARNING: Very short trigger pull can cause random shots or constantly pulled trigger!
1. Take out one of two foams by pliers.
Do not touch the foam by hand!
2. Clean back part of the trigger by degreaser.
3. Place one or two foams on it by the photo.
4. Assemble the gearbox with trigger and test
trigger response in the app„sensor check“
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