SUR-RON Light Bee User manual

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SUR-RON LIGHT BEE QL3000DY-2
SERVICE MANUAL

1. Brief Introduction
1.1Safety warning
Do reading the chapter carefully before the repair & maintenance
This service manual is used to guide professional technicians. Please don’t do the repair
and maintenance with the content in this manual neither you take necessary training nor
have any operation experience.
The operations in this manual can only be done in suitable maintenance workshop.
Ensure all essential tools are well prepared before the repair and maintenance.
The power source of LIGHT BEE must be cut off before any operation on the bike. The
failure to cut off its power source may cause serious injury and even death through
electric shock or disassembly and assembly of parts.
When you do the repair and maintenance, please do wear the safety equipment (working
jacket and working boots etc.) in case of burning, cutting, collision or other accidents.
And use protective goggle or gloves if necessary.
Chongqing Qiulong Technology Co., Ltd (Hereafter called Sur-Ron) has the power
of interpretation for all information in the manual. Sur-Ron aimed to build the best
electric bike in the world, therefore, any improvements, which can make the bike have
better performance and quality, Sur-Ron will keep doing improvements（upgrade data of
specific parts design, material，surface coating and technique detail etc. will not be
provided.）Sur-Ron might discontinue or optimize a certain model to adapt to the local
regulations on specific market. If any content missed in this manual, or the bike you got
is different from the description of this manual, please ask the local importer or dealer
for help before you do the repair and maintenance.
1. Brief Introduction
1.1. Safety warning
1.2. Use of the manual
1.3. Disclaimer
2. Technical specification
2.1 Bike parameters

2.2 Torque specifications of important screws
2.3 The top speeds under different battery capacities
2.4 Bike composition
3. Bike operation
4. LIGHT BEE repair tools and preparation work
4.1. LIGHT BEE repair tools
4.2. LIGHT BEE fixing
5. Battery dismount and mount
6. Absorber dismount, mount, and adjustment
6.1 Adjust the compression damping of front absorber
6.2 Adjust setting of absorber
6.3 Absorber lubricating
6.4 Front absorber dismount and mount
6.5 Rear absorber dismount and mount
6.6 Disassembly of rear absorber
7. Check, dismount, mount of the headset
7.1 Check stroke gap of headset
7.2 Disassemble the headset
8. Disassemble and assemble handle bar assembly
9. Wheel checking
9.1 Tire checking
9.2 Rim checking
10. Braking system checking and maintenance
10.1 Brake checking
10.2 Maintenance
10.3 Brake lever dismount and mount
10.4 Brake pump dismount and mount
10.5 Brake clipper dismount and mount
10.6 Brake clipper adopter dismount and mount
10.7 Front brake assembly dismount and mount
10.8 Rear brake assembly dismount and mount
11. Bike body dissemble and assemble
11.1 Mid. Bushing dismounting and mounting
11.2 Motor side-cover dismounting and mounting
11.3 Motor side-cover dismounting
11.4 Disassemble and assemble first level transmission belt
11.5 Disassemble and assemble left pedal assembly
11.6 Disassemble left pedal assembly
11.7 Disassemble and assemble right pedal assembly
11.8 Disassemble pedal assembly
11.9 Disassemble and assemble guard plate under DC motor
11.10 Disassemble and assemble guard plate under controller
11.11 Disassemble and assemble air circuit breaker combination
11.12 Disassemble air circuit breaker combination
11.13 Disassemble and assemble USB and electric control lock combination
11.14 Disassemble USB and electric control lock
11.15 Disassemble and assemble DC motor assembly
11.16 Disassemble and assemble tailstock assembly
11.17 Disassemble tailstock assembly
11.18 Disassemble and assemble left and right limited block of battery
11.19 Disassemble and assemble horn
11.20 Disassemble and assemble back shield
11.21 Disassemble and assemble rear wheel assembly

11.22 Disassemble rear wheel
11.23 Disassemble and assemble rear fork
11.24 Disassemble rear fork
11.25 Disassemble rear fender assembly
11.26 Disassemble rear and inner fender
11.27 Disassemble and assemble cover of battery compartment
11.28 Disassemble and assemble lower stop plate of battery
11.29 Disassemble lower stop plate of battery
12. Checking and maintenance of speed regulation control and brake control device
12.1 Check brake
12.2 Check accelerator
12.3 Confirm power supply control
13. Position adjustment
13.1 Adjust handlebar
13.2 Adjust brake handle
14. Disassembly
14.1 Dismount handlebar of accelerator
14.2 Dismount handlebar
14.3 Dismount throttle bracket
15. Transmission gear
15.1 Check chain and chain wheel
15.2 Clean and lubricate chain
15.3 Disassemble and assemble chain
16. Electric system
16.1 Electric system drawing
16.1 Check electric system
17. The use and maintenance of battery
17.1 Disassembly and assembly of battery
17.2 Maintenance and storage of battery
17.3 Battery charging
18. Checking and maintenance of controller
18.1 Disassembly and assembly of controller
18.2 Checking of controller
19. Electrical failure checking and removal
20. Failure diagnosis

1.2 Use of the manual
!The symbol represents the dangers the bike may cause or other dangerous
situations.
!The symbol represents the dangers which may cause serious physical injuries.
!The symbol represents the potential dangers which can cause harm to health.
1.3 Disclaimer
Modification of the bike may cause physical injuries.
The modification of the bike without approval from Chongqing Qiulong Technology Co.,
Ltd. will lead to the following results:
• Loss of warranty.
• Needs different type of driving license.
• Accidents and serious injuries.
Please read local provisions about electrombile and motor vehicle before using Light Bee
bike.
!According to the certification of L1e-B electric moped scooter that Sur-
Ron Light Bee has passed, its highest speed is 45km/h, so it is not allowed on
expressway or the road segment with the minimum speed of more than
45km/h.
If you have any question, please contact official dealer of Chongqing Surron Technology
Co., Ltd.
The applicable laws require you to provide the following information:
•Your age.
•The equipment necessary for special route.
•Special license for the bike.
•The area with restrictions on vehicles.

2.Technical specification
2.1Bike parameters
Electromotor
type
Brushless DC motor (maximum power 4.0W)
PMAC radial flow brushless, air-cooled and integrated rotate
speed and temperature sensor.
control unit
AC/DC three-phase control unit (maximum power 60V-80A); two
available driving mode:
SPORT：2 kW ECO：0.9 kW
maximum speed
≤45 km/h
power source
type
high-expanded ternary lithium power battery(60V32AH)
rated capacity
1900wh
charger
The special edition high-performance portable charger for LIGHT
BEE QL3000DY power battery
Power: 600 W
Input: 110V AC or 240V DC (according to local voltage)
Output: 67.2V DC/10A
charging time
(standard)
0%-100% - 3.5 hours
0%-95% - 3 hours
0%-80% - 2 hours
mileage
continuation of
journey
ECO mode (average speed 25km/h)>100km
electromotor
double-stage reduction drive system
bike frame/hanger bracket/brake
bike frame
Double-beam cradle type, lightweight aluminum alloy forge
rear absorber
multi-link central shock-absorb system
stroke of front fork
200mm.
stroke of rear wheel
210mm.
front brake
target at 4-piston hydraulic disk brake, disk 203mm
rear brake
target at 4-piston hydraulic disk brake, disk 203mm
front tire
cross-country 70/100-19
rear tire
cross-country 70/100-19
front wheel disk
Aluminum- 19*1.4
rear wheel disk
Aluminum- 19*1.4

2.2 Torque specification of important screws
front absorber
double-shoulder fully adjustable oil pressure reed inverted front
absorber
rear absorber
multi-link fully adjustable damping single-tube air pressure
damping system
size
wheel base
1,230mm
height of vehicle
seat
815 mm
front rake of seat
tube
26°
ground clearance
270 mm
total length
1860 mm
width
780 mm
height
1,050 mm
weight
no battery
42Kg
bike
50 Kg
load capacity
100 Kg
serial
number
item
diameter of thread mm
tightening torque N.m
install left and right lower
controller support
M6
8N•m
fasten front brake disk
M5
8～10N•m
fasten rear brake disk
M6
10～12N•m
fasten rear chainring
M8
20～25N•m
rear absorber, rear rocker arm
connection rod
M8
20～25N•m
fasten bolt of belt wheel
M6
12N•m
fasten bolt of output shaft sprocket
M6
12N•m
fasten nut of front belt wheel
M12
40～50N•m
attachment bracket of left and
right pedals and support of left and
right pedals
M10
40～45N•m
fasten lower battery support plate
M6
8N•m
fasten bolt of connecting plate
M6
10N•m
fasten bolt of bike stem
M5*25
5-6N•m

2.3 The highest speeds under different battery capacities (reference)
2.4 Bike arrangement
2.4.1 Position of bike parts
fasten bolts of bike stem and
handlebar tube
M5
5-6N•m
fasten front wheel axle
M12
20～25N•m
fasten front disk brake
M6
12N•m
fasten back fork shaft
M10
35N•m
fasten auxiliary frame and bike
frame
M8
20N•m
fasten nut of seat cushion
M6
8N•m
rear absorber, bike frame and back
fork
M8
25-30N•m
fasten rear wheel axle
M12
55～60N•m
fasten rear disk brake
M6
12N•m
fasten electrical motor
M8
25N•m
fasten controller and controller
support
M6
8-10N•m
fasten pedal and bike frame
M8
25-30N•m
fasten controller protector bolt
M8
20N•m
serial
numb
er
battery capacity
speed(km/h)
1
100%
42.8
2
90%
42.3
3
80%
41.6
4
70%
40.9
5
60%
40.1
6
50%
39.4
7
40%
38.7
8
30%
37.8

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Fig 1
1. Rear fender assembly
2. Rear bottom fork
3. Seat cushion
4. Rear absorber
5. Tire
6. Bike frame
7. Three-phase brushless DC motor
8. Ternary power lithium battery
9. Control system
10. Headlight
11. Front absorber
2.3.2 Position of head parts
!
Fig 2
1. LCD Speedometer
2. Front brake handle
3. Rear brake handle
4. Throttle grip
5. Control switch
6. Rear-view mirror
2.3.3 LCD Speedometer functions

!
Fig 3
1.current speed
2.Top speed notice
3.brand logo
4.KMH indication
5.MPH indication
6.Mileage
7.Single trip distance
8.Trip distance in total
9.Buttons for function selections
3. Vehicle operation
This chapter includes all necessary knowledge related to Light Bee operation you need to
learn about:
!
When stop using SUR-RON light bee QL3000DY, cut off main power switch.
Just to move the bike, turn off power switch.
!
If you plan to use the bike after more than 30 days, we suggest you to take
battery down, keep its capacity not less than 50% and charge it at least once
per month. Only the charger and cable equipped for the bike can be used
because they are specially designed for the bike.
!
Only original charger can be used in charging
In order to achieve the best battery performance, charge the bike
immediately after use every time.
!
Full discharge may damage battery
!
The charging and electric power storage not conforming to the instructions in
the manual will invalidate the warranty of battery. These instructions are the
results of strict test and can help to achieve the maximum performance and
longest service life of battery.
!