Leitner Berlin 2020 User Manual Download Page 23

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Figure B1:

Parts of an electric bike. Some parts may not be on your model.

Gear Shifter
Handlebar
Brake Lever

Front reflector
Front Rim brake
Front fork

Brake cables

Wheel reflector

Spokes

Front Hub

Valve of
inner tube

Handle Stem

Head Set

Head Tube

Top tube

Seat

Seat post

Seat Quick release

Seat stay

Rear reflector

Rear rim brake

Wheel reflector

Freewheel

Seat tube

Down tube

Gear Cable

Front
derailleur

Bottom
Bracket Axle

Rim
Tyre

Chain Wheel
Crank arm
Pedal
Chain Stay
Chain

Rear derailleur

Gear cable

Faults

Possible Causes

Common Solutions

Bike does not work
although

there

power to Display

1)Brakes are engaged
2)Loose motor wire

connector

3)Loose wire

4)Broken wire

5)Throttle or pedal assist sensor

faulty

1)Disengage brakes
2) Check motor wire connector
3) Check all connectors
4) Inspect all wires
5) Replace throttle or pedal assist

sensor

Bike does not work
(no power to
display)

1)Battery not installed correctly
2)Battery empty
3)Battery not switched on
4)LCD Display not switched on
5)Loose connections
6)Fuse blown

1) Install Battery correctly
2) Charge battery
3) Switch battery on
4) Switch display on
5) Check all wire connections
6) Replace fuse

Bike has reduced
speed and/or
range

1) Low batteries
2)Faulty batteries
3)Low tire
pressure
4) Brakes dragging against rim or
disc

1)Charge batteries for
recommended time
2) Replace batteries
3)Inflate tires to
recommended pressure
4) Adjust brakes and/or rim

Bicycle has
intermittent power

1)Loose connectors
2) Loose fuse
3) Damaged wire

1) Check all connectors
2) Check fuse connector
3) Inspect all wires

Charger light does
not operate

1)Power outlet faulty
2)Charger is not plugged to
wall or battery properly
3)Charger light or charger is faulty

1) Try another outlet
2) Check all plugs
3) Replace charger

Charger completes
charging in an
unusually short
amount of time

1) Faulty charger
2) Faulty battery

1) Replace charger
2) Replace battery

Strange noise
from wheel and
motor

1)High-pitched “ticking” noise due
to loose spokes which disappears
when wheel is off ground and spun
by hand
2)Motor internal gears damaged
3)Motor damaged
4)Loose bolts

1) Adjust spoke tension
2) Replace internal motor

gears

3) Replace motor
4) Tighten all bolts

Parts of an electric bike

Basic trouble‐shooting guide

Summary of Contents for Berlin 2020

Page 1: ... no representation about the safe use of this bike under all conditions It is impossible to predict all situations when riding a bike and there are risks associated with riding this bike which cannot be avoided These risks are at the sole responsibility of the rider This assembly and operation manual shall remain an integral part of the electric bicycle When you transfer the electric bicycle to ot...

Page 2: ... e g accident may cause the bike to break at lower than standard loads It is recommended to have the bike inspected by an ebike mechanic before riding it again Riding instructions Use your brakes carefully if your bike has two brake levers it is recommended to press both brake levers at the same time Check which brake lever engages which brake In Australia normally the right lever engages the fron...

Page 3: ...handle bar Make sure the wheel can be turned freely without entangling wires The ends of the handle bars need to be covered usually by a handle grip to protect from cuts in a crash Apply front brake and move bike forward and backwards Is fork loose If it is loose the headset needs to be adjusted Wheels Are wheels installed safely Lift wheel off the ground hit it by hand from the top and try to mov...

Page 4: ...shipped again Make sure the bottom of fork is protected to prevent it from penetrating the box When parking lock battery into frame and remove keys or remove battery to prevent theft Check with your local authorities whether it is allowed to transport the bike with public transport Maintenance Regular maintenance ensures that the bike is in good condition to be ridden safely The recommendations be...

Page 5: ...he crotch measurement of the rider and the top tube height of the bicycle when straddling the bike For mountain bikes at least 2 3 inches clearance is recommended 3 1 2 Before your first ride Contact a customer service representative to assist you in finding a bike which has the right size for you Important measurements are the minimum and maximum seat height form the ground to the top of the seat...

Page 6: ...you use pedal assist then release throttle to use the pedal assist system The throttle can be unlocked to about 25 km h for use on private property If the throttle is unlocked the bike must not be ridden on public roads Please refer to the relevant section of this manual how to unlock the throttle WARNING Only switch throttle ON if you intend to ride the bike Always switch throttle and bike OFF wh...

Page 7: ...bike the pedals front light front mudguard seat front wheel and sometimes the handlebar may be loosened or removed Different parts of the bikes such as brakes and gears may need adjustment This manual will list the steps required for installation Check all nuts and bolts on the bike even if parts have already been assembled by the factory to make sure that they are installed safely In the interest...

Page 8: ...ver closes very easily less than 12 pounds or 53 Newton it indicates that it is loose If lever is very hard to close completely more than 45 pounds or 200 Newton don t force it and go to step two Step 2 Open lever If lever was too loose tighten nut If lever was too hard to close loosen nut Close lever again Step 3 Repeat step 2 until lever is firmly closed and can t move Do NOT turn lever like a w...

Page 9: ...ightening and folding the handle stem The stem is folded to the right side of bike Un fold it and secure it using quick release levers Bolts should be tightened to 9 10 Nm unless specified otherwise Make sure all bolts are tight and that there is no excess play in the stem The stem sits at an angle to the bike frame about 45 degrees This is normal and will allow the handle bar to be folded in a pa...

Page 10: ...igure QF4 to 14 Nm 7 Figure QF4 view from top folded handle stem While pushing quick release lever 10 down carefully fold stem UP in the direction shown until it s fully closed 8 5 6 Figure QF3 view from top Handle stem is folded to the side of bike Note the angle of about 40 degrees Angle 9 10 Figure QF5 view from top closed handle stem Move the quick release lever 11 up through the slot 12 11 12...

Page 11: ...ntrol and fall WARNING If bolts are overtightened or under tightened components may break and cause you to fall Head tube of bicycle frame Attachment bolt Wedge nut Minimum insertion mark Figure QS3 Handle stem Figure QS4 To align stem with wheel walk to front of bike put wheel between your legs Adjust position until stem is centered Loosen attachment bolt Figure QS1 if needed and tighten to 14 Nm...

Page 12: ...he pedal thread and the crank arm as it may prevent pedal from gripping correctly and eventually causing damage to threads Crank arms and bottom bracket Check the allen bolt at the centre of both crank arms left and right hand side right arm shown in picture If the arms are loose tighten the bolt with a 8mm allen key key not supplied to 40Nm Don t overtighten It is necessary to check the crank arm...

Page 13: ...plying the front brake while moving the bicycle back and forth To check if steering is smooth lift front wheel off the ground and steer left and right If there is excessive movement or if steering is not smooth the headset needs to be adjusted by a bicycle professional Chain Check chain tension every month If it is too lose use derailleur to adjust tension Check all links of the chain If there are...

Page 14: ... brakes You may have to re adjust them several times during the brake in period Brakes need to be re adjusted regularly also after the brake in period This is normal as brake pads will wear down Before each ride make sure that both front and rear brakes work well and follow the guide below to maintain the brakes How disc brakes work Disc brake pads apply pressure to a disc mounted to the hub of th...

Page 15: ...lel Barrel To release rim brake for wheel removal push both brake pads against the rim with one hand then pull the Pipe 1 away from the Link 2 with the other hand and lift the pipe If this does not work release cable clamp bolt 4 To close brakes after wheel has been re installed follow instructions in reverse sequence WARNING Make sure brakes are working correctly before each ride to avoid injury ...

Page 16: ...e to derailleur with b tension screw pulley adjustment screw This adjusts angle of derailleur Changing gears correctly Changing gears will allow you to pedal at a comfortable and constant rate The external derailleur gears consist of different sizes of cogs on the rear wheel Operating the gear shifter will move the chain to different cogs The gear shifter is located on the right hand side handle b...

Page 17: ...e frame first push the quick release bolt UP You may have to wiggle left and right at the same time while pushing UP to ensure the bolt is all the way UP Nut Straightening the frame Bolt WARNING Pinching hazard Stay clear of area around folding hinge The folding stem should fold to the right side of the bike The handle bar should be approximately parallel to the bike frame when fully folded Fold c...

Page 18: ...rt the rear wheel axle into the fork following the instructions below 15 Inner washer 16 Key small protrusion of inner washer 17 Rear fork 18 Opening of rear fork to insert rear wheel axle 19 rear wheel axle 20 rear wheel nut When installing the rear axle 19 into fork it is very important to make sure that the inner washer 15 is located at the inner side of the fork The Key small protrusion of the...

Page 19: ...ll The frameset frame and fork The frame is an important part of the bike to which many parts such as the rear wheel fork and seatpost attach It is critical to make sure that the frame is in good condition If suspension is installed into the frame refer to the respective section of this manual for suspension maintenance Do not expose frame to heat over 158 Fahrenheit 70 Celcius Only clean with dam...

Page 20: ...t a sharp tug Be careful not to hurt yourself Battery handle 4 5 6 7 8 9 Battery Charger Figure B3 Charging the battery Illustration Connect the power cord 5 firmly to the power socket on the charger 6 Gently rotate round black cover on battery 9 to expose battery input socket 8 Then connect the charger output cable 7 to the battery input socket 8 on the battery The LAST step is to connect the pow...

Page 21: ...ore usage to avoid electric shock Store out of reach of pets and children Always handle carefully with 2 hands If errors occur stop using battery consult manual or contact customer service Discard batteries according to your local battery disposal guidelines WARNING If a battery is stored for longer than 1 month without charging it it may get damaged WARNING Lithium ion batteries may leak ignite a...

Page 22: ...ease from wedge Apply thin layer of grease to wedge and the part of stem which is inside frame Re install stem Seatpost Every year remove seatpost then remove grease from seatpost Apply thin layer of grease to the part of seatpost which is inside frame Re install seatpost Pedal threads on pedal axle where they insert into crank arms Every year Refer to pedal installation section of this manual to ...

Page 23: ... Install Battery correctly 2 Charge battery 3 Switch battery on 4 Switch display on 5 Check all wire connections 6 Replace fuse 3 Bike has reduced speed and or range 1 Low batteries 2 Faulty batteries 3 Low tire pressure 4 Brakes dragging against rim or disc 1 Charge batteries for recommended time 2 Replace batteries 3 Inflate tires to recommended pressure 4 Adjust brakes and or rim 4 Bicycle has ...

Page 24: ...stic clip following the instructions below WARNING Switch off and remove the battery from the bike before accessing the controller to avoid accidental short circuits Wear personal protective protective equipment like safety glasses Handle wires with care and don t use force to avoid damaging the wires If you don t feel comfortable with these instructions have the procedure performed by a skilled e...

Page 25: ...25 Leitner Pty Ltd 2019 ...

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