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1
Postable Electric Scooter
SERVICE MANUAL
(Version 2014-2)
2
TABLE OF CONTENTS
TABLE OF CONTENTS
WARNINGS 3 I. SPECIFICATION 4 II. STRUCTURE 5 III. BLOCK DIAGRAM 18 IV. OPERATION 19 V. SOLUTIONS 23
3
WARNINGS
CHARGE THE BATTERY FULLY BEFORE THE FIRST USE - The battery must be fully charged once the product is received and recommended after each use. It is recommended to charge the battery about 4-6 hours.
Properly maintained and cared, E-Twow will ensure ease of use and a pleasant ride. Below are
points that will help you to maximize the pleasure of using this electric scooter.
FACTORS THAT MAXIMIZE THE DISTANCE TRAVELLED WITH THE ELECTRIC SCOOTER
SLOPE – more horizontal the road, longer distance you will ride
WEATHER - cold weather can negatively affect battery’s capacity
WIND - traveling with the wind from behind will increase the distance travelled, traveling
with the wind in front will decrease the distance travelled
SURFACE - more smoother the road surface, greater distance you will ride
USER WEIGHT - the more user weighs less, even greater is the distance travelled
SCOOTER’s CARE – a proper maintenance of the scooter will increase its life
BATTERY - maintained properly charged, it will increase the duration of use. Batteries
stored in cool areas (below 10 Celsius degrees) will deteriorate over time. Never allow
the batteries to freeze (below 0 Celsius degrees) because they will deteriorate.
WET WEATHER
IT IS NOT RECOMMENDED TO USE THE SCOOTER IN WET WEATHER. This type of scooter is not designed to be used in wet weather (wet roads, puddles, rain, etc.). Never immerse this product into the water because the electrical system may be damaged.
4
I. SPECIFICATION
ECO MASTER BOOSTER
Range: 30 km 40 km 35 km
(speed: 20km/h, load: 75kg, wind: about 10km/h)
Maximum speed: 27 km/h 28 km/h 30 km/h
Folding function: Completely foldable electric scooter (patented) – Adjustable height,
Foldable handlebar + Automatic folding
Front wheel energy recovery brake + Emergency Braking function: rear wheel brake (During the emergency braking also the front wheel with
energy recovery brakes)
Buffer: Front buffer + Rear buffer
Lights: LED headlight (Includes 6 LEDs, the light intensity is kept constant regardless of battery voltage); Light sensor
Cruise control function: optional
Zero Start function: optional
Horn: piezo-ceramic horn
UBHI: Control and display console (patent)
UBHI functions: acceleration control, braking control, display, lights, horn
Acceleration control: Acceleration is controlled by the lever in the right of the UBHI console
Braking control: Brake is controlled by the lever in the let of the UBHI console
Maximum slope: 15 degrees 20 degrees 25 degrees
Tires: Raw rubber (patent)
Motor power: 350W 450 W 500 W
Motor type: Brushless DC motor
Power consumption: 6.15 Wh/km 7.5 Wh/km
Maximum torque: 13,3 Nm 14,1 Nm 15 Nm
Charging time: 1.5 h-2 h (Charger 4A) or 3h-3.5h (Charger 2A)
Charger input 220V/110V voltage:
Display dimensions: 80 x 60 x 60 mm
Display information: ODO / Km done / Temperature / Speed / Battery level / Battery percentage / Light indicatorOn/Off
Material: Aluminium alloy + Metallic paint
Battery: 190 W; Li-Po 250 W; Li-Po 280 W; Li-Po
Weight: 10.7 kg 10.9 kg 10.8 kg
Maximum load: 110kg
Charger: 2A (optional - 4A)
Dimensions: Unfolded: 940 x 135 x 1160 mm;
Folded: 945 x 135 x 300 mm
5
II. STRUCTURE
Fig. II.1
Description
001 Control and display console
002 Folding handlebar
003 Median tube
004 Steering assembly
005 Front fork and suspension
006 Front wheel (Motor)
007 Controller
008 Controller support and folding system
009 Chassis
010 Rear suspension forkand mechanical braking system
011 Rear wheel
6
II. STRUCTURE
001 - Control and display console
Fig. II.2
Pos. Reference No. Qty. Description
1 2 Self-tapping screw 2.5 x 16mm
2 1 Display protective cover
3 1 Buttons protection
4 2 Self-tapping screw 2.5 x 8mm
5 1 Display protective glass
6 2 Self-tapping screw 2.5 x 10mm
7 1 Electronic board
8 2 Bulkhead holtzsurub
9 1 Acceleration lever
10 1 Headlight protective glass
11 1 Magnetic brake lever
12 2 Self-tapping screw 3 x 16mm
7
II. STRUCTURE
002 – Folding handlebar
Fig. II.3
Pos. Reference No. Qty. Description
1 2 Secondary bar
2 4 Bolt 04 x 25mm
3 1 Primary bar
4 2 Rivet 04 x 12mm
5 1 T pipe
6 1 Handlebar height adjustment button
7 1 Plastic ring
8 1 Spring clip
9 2 Rubber lever
10 2 Pipe lever
11 2 Spring button handlebar folding
12 2 Handlebar folding button
13 2 Traction spring
14 2 Hexagonal screw M3 x 10mm
8
II. STRUCTURE
003 – Median tube
Pos. Reference No. Qty. Description
1 Pipe
2 Lower collar
3 Allen head screw M6 x 20mm
4 Upper collar
5 Threaded rod M6 x 55mm
6 Special nut M6
7 Plastic tube
8 Allen head screw M5 x 14mm
9 Folding hook
10 Locking lever
11 Special nut M6
12 Plastic bracket
9
II. STRUCTURE
004 – Steering assembly
Fig. II.5
Pos. Reference No. Qty. Description
1 1 Locking nut
2 1 Special washer
3 1 Threaded cuvette
4 2 Bearing
5 2 Pressed cuvette
6 1 Pipe with holes
7 1 Nut M6
8 1 Plastic washer
9 1 Threaded pipe
10 1 Lower cuvette
11 1 Octagonal plastic muff
12 1 Aluminium nut
10
II. STRUCTURE
005 – Front fork and suspension
Fig. II.6
Pos. Reference no. Qty. Description
1 1 Rubber pleated tub
2 1 Front suspension spring
3 1 Octagonal pipe
4 4 Allen screw M6 x 20mm
5 1 Rubber washer
6 1 Front fork
7 1 Protection cover formotor cable
8 4 Allen screw M3 x 8mm
9 2 Allen screw M4 x 16mm
10 1 Allen screw M6 x 100mm
11 1 Front wing
12 4 Nut M6
13 2 Nut M4
11
II. STRUCTURE
006 – Front wheel (Motor)
Pos. Reference No. Qty. Description
1 Stator
2 Stator aluminium support
3 Motor shaft
4 Rotor
5 Tire
6 2 Bearing
7 1 Seeger fuse
8 2 Nut M12
9 2 Special washer
10 2 Side cover
11 12 Screw M4 x 12mm
12
II. STRUCTURE
007 – Controller
Fig. II.8
Pos. Reference No. Qty. Description
1 4 Screw M4 x 8mm
2 1 Controller
13
II. STRUCTURE
008 – Controller support and folding system
Fig. II.9
Pos. Reference No. Qty. Description
1 3 Coupling nut with Allen hole and bulkhead M6 x 39mm
2 1 Left cover
3 2 Allen screw M4 x 10mm
4 2 Allen screw M6 x 16mm
5 Folding lever shaft
6 Locking bolt
7 Folding lever
8 Spring
9 Folding joint shaft
10 2 Wearing muff
11 3 Screw with Allen hole and bulkhead M6 x 16mm
12 1 Right cover
14
II. STRUCTURE
009 – Chassis
Fig. II.10
Pos. Reference No. Qty. Description
1 1 Frame
2 4 Screw M3 x 10mm
3 2 Wearing muff
4 1 Battery protection front cover
5 6 Screw M6x 16
6 4 Nylon wearing muff
7 1 Right front ear
8 1 Left front ear
9 3 Screw with Allen hole and bulkhead M6 x 16mm
10 1 Coupling nut with Allen hole and bulkhead M6 x 54mm
11 8 Nut M6
12 2 Screw M6 x 8mm
13 1 Right rear ear
14 1 Left rear ear
15 1 Battery protection rear cover
15
II. STRUCTURE
010 - Rear suspension fork and mechanical braking system
Fig. II.11
Pos. Reference no. Qty. Description
1 1 Rear wing
2 1 Mechanical brake
3 1 Brake spring
4 1 Rear fork
5 2 Allen screw M6 x 16mm
6 1 Limitation muff
7 2 Screw with Allen hole and bulkhead M6 x 16mm
8 1 Fixing ear
9 2 Wearing muff
10 1 Threaded bar M8 x 85mm
11 1 Washer
12 2 Coupling nut with Allen hole and bulkhead M6 x 39mm
13 1 Rear fork joint shaft
14 2 Screw with Allen hole and bulkhead M8 x 30mm
16
15 1 Rear suspension body
16 1 Special spring supporting washer
17 1 Rear suspension spring
18 1 Special spring supporting washer
19 1 M8 ornamental nut
II. STRUCTURE
17
011 – Rear wheel
Fig. II.12
Pos. Reference No. Qty. Description
1 1 Rear wheel rim
2 1 Tire
3 1 Rear wheel shaft
4 2 Bearing
5 2 Grower washer 06
6 2 Screw with Allen hole and bulkhead M6 x 16mm
III. BLOCK DIAGRAM
18
IV. OPERATION
19
Necessary tools
Position Description
1 Allen key 2mm
2 Allen key 2.5mm
3 Allen key 3mm
4 Allen key 4mm
5 Allen key 5mm
6 Wrench 19 mm
7 Cross-head screwdriver
8 Plastic flange
9 Rubber hammer
10 Pipe key 10mm
11 Pliers Spitz
12 Sfic
IV. OPERATION
20
Dismantling control and display console (Figure II.2)
Loosenfastening screws pos. 1 and 4 of the protective cover pos. 2 in Figure II.2;
Remove the protection cover of the display together with the protection glass of the
display pos. 5 of Figure II.2;
Remove the protective glass of the LED headlight pos. 9 of Figure II.2;
Loosenfastening screws pos. 6 in Figure II.2 of the electronic board;
Extract the electronic board display pos. 7 in Figure II.2;
Disconnect cable connectors on the electronic board;
Loosen the fixing screws pos. 8 of the control levers pos. 9 and 11 of Figure II.2;
Loosen fastening screws pos. 12 of Figure II.2 of control levers;
Remove control levers outward.
Dismantling foldable handlebars (Figure II.3)
Weaken the upper fastening screws system on the median pipe;
Loosen the screw pos. 8 Figure II.4;
Remove the foldable handlebars together with plastic tube pos. 7 in Figure II.4.
Dismantling rubber handle (position 9 in Figure II.3)
Weaken the fastening screws screw of the handle pos. 14 Figure II.3;
Remove the retaining bolt of the handle pos. 2 in Figure II.3;
Push the handlebars button folding pos. 12 of Figure II.3;
While pushing the folding button pull the handle outward.
Dismantling median tube (Figure II.4)
Weaken the lower fastening screws system by loosening screws pos. 3 in Figure II.4;
Remove the median pipe.
Dismantling the front wheel (motor) (position 006 in Figure II.1)
Loosen the fastening screws pos. 7 in Figure II.6 of the protective cover pos. 8 Figure II.6
of the motor power cable;
Remove the protection cover of the motor power cable;
Decouple the motor cable;
Loosen the motor clamp nuts pos. 8 Figure II.7;
Remove the motor.
Dismantling the steering assembly (Figure II.5)
Remove the median tube (see "Dismantling the median pipe");
Remove the front wheel (see "Dismantling the front wheel (motor)");
Loosen the coupling screws and nuts pos. 1 and 11 of Figure II. 9;
Unscrew the fastening screws nut pos. 7 in Figure II.5;
Remove all the assembly.
IV. OPERATION
21
Dismantling the front wing (position 11 of Figure II6)
Remove the front wheel (see "Dismantling the front wheel (motor)");
Loosen the clamp nuts pos. 13 Figure II.6;
Remove the wing.
Dismantling the controller (Figure II.8)
Loosen the fastening screws pos. 1 in Figure II.8;
Remove the controller pos. 2 in Figure II.8;
Disconnect the connectors between the controller and battery, rear brake sensor, display
and motor.
Dismantling the controller support and folding system (Figure II.9)
Dismantle the steering assembly (see "Dismantling the steering assembly”, point 3);
Loosen the screws fastening the protective cover pos. 12 of Figure II.10
Remove the battery protection cover of pos. 4 of Figure II 10;
Remove the right front ear pos. 7 in Figure II.10:
■ Loosen the three screws fastening in frame pos. 5 of Figure II 10;
■ Disconnect the coupling screw and nut pos. 9 and 10 of Figure II 10;
■ Loosen the fastening screws in pos. 4 of the foldingshaft pos. 9 Figure II.9.
Loosen the fastening screw in pos. 4 on the left side of the folding shaft pos. 9 Figure
II.9.
Remove the controller support.
Battery removal
Loosen the screws fastening the protective cover pos. 12 of Figure II.10
Remove the battery protection cover of pos. 4 of Figure II 10;
Loosen the connector from the battery;
Remove the battery.
Dismantling the rear suspension fork and mechanical braking system (Figure II.11)
Loosen the fixing screws pos. 14 Figure II.11 of the suspension;
Loosen the fastening screws pos. 9 of the rear ears pos. 13 and 14 in Figure II.10;
Carefully detach the rear brake sensor;
Remove the whole assembly together with rear ears;
Loosen the fastening screw in pos. 5 of Figure II.11;
Remove the rear right ear pos. 13 Figure II.10;
Remove also the rear left ear pos. 14 Figure II.10 together with the joint shaft of the rear
fork pos. 13 Figure II.11;
Remove the front assembly from the ears fastening in frame.
IV. OPERATION
22
Dismantling the rear suspension
Loosen the fixing screws pos. 14 Figure II.11 of the suspension;
Rotate up as much as possible the rear fork pos. 4 of Figure II.11;
Disconnect the coupling screw and nut pos. 7 and 12 in Figure II.11;
Remove the rear suspension.
Dismantling the rear wheel (Figure II.12)
Loosen the fastening screws pos. 6 of Figure II.12;
Remove the rear wheel.
V. SOLUTIONS
23
PROBLEM POSSIBLE CAUSE SOLUTION
The scooter is not running at normal speed and the distance travelled decreased over time
Low Battery Faulty battery Mechanical brake is actuated or faulty sensor You are driving on rough terrain, wind in the face, etc.
Charge the battery Replace the battery Actuate the mechanical brake, change the sensor and try again Travel distance may increase when traveling on off-road and / or such weather conditions
Does not start when "ON" is pressed
Connectors weak Cables interrupted Faulty button The display board is damaged Faulty controller
Check all connectors Check all cables Replace the button and try again Replace the display board and try again Replace the controller and try again
The display is lit, but the scooter does not start
Weakened motor cable
connection
The rear brake sensor is faulty
Faulty acceleration
Zero Start is active
Check the connection controller-motor Replace the rear brake sensor and try again Replace the acceleration lever While holding down the acceleration lever push a little the scooter in front
Brakes do not cut the power of the motor when actuated
Connectors weak The rear brake sensor cable is damaged Brake lever is faulty Faulty controller
Check the sensor connectors on the rear brake Check the sensor cable from the rear brake Replace the brake lever and try again Replace the controller and try again
The charger indicates that the battery is fully charged, but the scooter does not start.
Connectors weak Contacts oxidized at the charging or battery connector
Check all connections
Check and clean the connectors
and try again.
The acceleration or brake do not return to the starting position
Faulty lever Replace the lever
Scooter’s power supply is randomly interrupted
Connectors weak
Oxidized fuse terminal
Interrupted cables
Check connections
Check terminals of the fuse
Check all cables
The charger indicates that the battery is fully charged in a very short time
Faulty charger
Faulty battery
Replace charger
Replace battery
The charger’s LED indicator lights up when the charger is not plugged in
No voltage socket
Faulty charger
Check socket
Replace charger
Charger’s LED indicator Faulty cable between the Check and clean the connectors
24
does not change its status
charging connector and battery connector
Charger’s cable is
interruptedFaulty charger
Faulty battery
and try again.
Check cables of the charger
Replace charger
Replace battery
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