Lumag E-CITYBIKE CB-27.5/1 User manual

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ELECTRIC BIKE
MANUAL BOOK

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Bike motor
weight 30kg type Bafang M400 central motor
capacity 120 kg Max riding noise ≤55db
demension 160*27*77cm Rated power 250w
Max speed 25 km Operating Temperature -20 - 45℃
Distance per once charge ≥50-60 km Rated voltage 36V
Climbing ≤12 ° Rated efficiency ≥80%
Overcurrent protection value 15± 1A Pedal Sensor Speed and Torque Integrated
undervoltage protection value 30.8±0.5V Torque 80N.m
Battery Charger
type Lithium polymer Input voltage AC110-220V50HZ
voltage 36V Charging time 4~6h
capacity 14Ah
·Please read this manual book carefully. Before you understand
and know how to operate it, not to use it.
·When adjusting the height of saddle, the Safety line on the saddle
pipe can’t be exposed
·When adjusting the height of handle bar, the safety line on the
folding pipe can't be exposed, the torque of folding pipe is 18M.n,
Notice for safty
Main specification (
28
’
3
V/
1
4
AH
）
））
）

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the torque for fastening handlebar is 18M.n
·Often check the brakes to assure they are always in good
condition.When it is raining or snowing, you should take brake
early.
·The torque of front wheel and rear wheel shaft fastening
nuts are 18 N. m and 30N.m。
Operation
Operation Operation
Operation
·Fit the battery pack in the carrier，insert the key into the lock, then
press the battery pack upper lid down, turning clockwise
180degree,to assure the battery pack is locked then take the key
out.
·When riding, turn on the power by key, （switch the key
clockwise）the lights on power display (red) are turned on. This
show the power is workable.
·During riding, if the red lights on the display is off one by one,
and the empty light is on, this show that the power will be
exhausted and you should turn off the power switch and ride the
bike by pedals.
·The riding distance will be different under different conditions,
such as different roads, wind, loading weight and so on. When
climbing a slope, going upwind, please make assistant power by
pedals to avoid the electric power to be exhausted too quickly and
make sure the bike can go longer distance. What's more, it's also
good for motor and battery.
·After riding, please turn off the power and take out the key.
Operation and notice

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Riding by pedals
·When riding by pedals, we should turn off the power and use it
same way as common bike.
Battery charging
·When charging, please use the charger supplied by us along with
the bike, and assure that your local voltage is comply with the
charger voltage.
·Battery can be charged on the bike and can also be taken out and
charged in other places.
·When charging, first insert the charger plug on the socket of
battery pack, then insert the plug into the power source socket. If
the red and green lights on, the charger panel all turn on, this
means it is charging properly.
·If the red light is on, charger is off, this means charging is
completed.
·When charging is finished，please remove the plug from power
source firstly, then remove plug from battery pack.
· When charging, the charger and the battery pack should be place
stably to avoid falling, and make sure nothing covers on the
charger and battery pack.
·When charging, if the surface of battery pack is very hot, please
turn off the power and cease charging immediately and contact
with our service center for assistance.
Instruction for battery pack:
·In first charging, the charging time should be more than 10 hours.
·before first using or it is not used for long time, please use out all
power, then charge it until the red light off.

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·Do not put the battery into the water.
·when the battery use out power, it should be recharged within 48
hours. If you will not use bike longtime, please charge the battery in
full power, and take off the battery pack from bike and keep it in cool
and dry place.
·Do not place the battery in hot place, such as oven, heater.
·Do not unpack the battery pack by yourself.
·Do not connect the battery pack with electric power source directly.
·Do not expose or put battery into the fire or heater.
·Do not use metal to connect with the circuit of the battery pack
·Do not impact or force against the battery pack
·Do not weld battery or pierce the battery
·Do not shake and drop off the battery pack.
·Do not expose the battery to the strong static electricity or strong
magnetic field.
·If the battery is broken and make the liquid into eyes, wash eyes with
clean water and go to doctor immediately.
·If the battery pack is out of shape, has peculiar smelling, gets hot and
any other abnormal conditions, you should cease using and take it out
from bike frame.
· If the socket on the battery pack is dirty, please clean it with dry cloth
before charging.
·Do not restart bike again and again after the power is exhausted.
·Keep the battery pack, charger, remote controller out of the reach of
kids.
Warning: During charging, keep it away from explosive gas or
flame.

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·Before riding, should check the battery pack locked properly, and the
lights are workable.
·Regularly check the joint between bike and battery pack, en- sure it is
kept dry and clean.
·Check the tyres regularly to ensure that correct pressure is maintained.
·When riding on the watery road, the depth of the water can't be higher
than the height of wheel hub.
·The bike should keep at damp, hot position and keep away from
corrosive gas and liquid.
· Do not expose the bike to strong sunlight or raining for longtime。
· Do not disassemble and repair the bike by yourself。
· Do not overload when riding.
· Every half year or one year, should add lubricating oil to front shaft,
rear shaft, flying wheel, front fork and other transmission parts.
·Brakes
Make sure your brakes are adjusted correctly at all times
Brakes adjusting：
1.front brake adjusting
1.1 check the right brake, when the brake grip reach the distance 1/2,
the wheel should be entirely braked.
1.2 loose the nut on the brake grip seat, then loose or tighten the brake
line, let the distance from two brake flake on both sides to wheel rim
be 1.5-2 mm, then tighten the nut, meet the requirement of 1.1.
2.rear brake adjusting
2.1 check left brake grip, same way as 1.1。
Maintenance

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2.2 adjusting inner passive brake. First adjust as 1.1 requires, loosen
the brake grip, then adjust the nut to reach the passive flake, then hold
the brake grip, screw the nut and make its distance to passive flake at
1mm.Make adjustment until the rear wheel can rotate smoothly, and
can be braked. If the brake flake is wore away seriously, it will affect
the performance of brake. So please replace with the new one at once.

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Circuit diagram and Trouble shooting chart

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trouble Cause Solution
After tun on the power
switch, the power light is
not on and Can’t start the
bike
·the plug or socket on battery
pack or bike is dirty
·check and clean the dirty。
After turn on the power
switch, The power
indicator is on, but can’t
start the bike
Check the cable out of motor
to see whether they are in
good connection
·push the plug make sure it is
locked
·if it still not working, check the
cable inside the plug make sure
it is not loosing。
After turn on the power
switch, The motor on
runing
Warning: turn off the
power immediately.
·the throttle not reposition
·damage of controller
·check the throttle and make it
reposition
·change the controller
Speed is slow, and can’t
run long way after every
charging
·tyre pressure not big enough
·climbing the slope or go
against the wind
·battery problem
·inflate the tyre
·make assistant power by pedals
·change the battery
When charger connected
with the power source, the
green power indicator
not on
·AC power outlet has no
electric power
·the input 2A fuse inside the
charge is fused
·check the electric source or
change to another socket try
again
·disassemble the charger and
replace a new 2A fuse

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Green power indicator on
the charger is on, and the
red one is always on, but
unrelated with charging
status.
·5A output fuse inside the
charger is fused.
·The charging plug seat inside
the battery box is in poor
contact.
·The fuse of the box (15A) is
fused.
·Open the upper cover of the
charger, and replace the 5A fuse
which lies away from the
transformer.
·Repeatedly insert and pull out
the charging plug to ensure
good contact.
·Replace the fuse of the battery
box.
·If the above takes no effect, go
to our company's authorized
maintenance centers.