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                                        E L E C T R I C   B I C Y C L E   M A N U A L   -   B I G B O Y  

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Users Considerations 

1. Before riding, please read production Instruction carefully and check whether each part is intact to ensure your safe riding. If there are any 

problems, please get connected with dealers.                                                                                                                                                                           

2. Please follow urban traffic laws and stipulations and not to carry people on this vehicle; and the speed should be slowed on rainy and snowy days 

as well as slippery areas.                                                                                                                                                                                                        

3. 

This vehicle should be placed at dry and ventilated areas and please don’t put it in water. The water level cannot come to the place of the 

controller box at the bottom of crankset or will lead to the short out of the internal circuit and also casue non-repairable damage.                                                                                                                                                                                                                                           

4. The battery used in this vehicle is safety power source, but the anode and cathode of the battery cannot be touched with wet hands at the same 

time even get touched with metal at the same time, if so, a large circuit current will be generated and cause an accident. Please pay attention to it.                                                                                                                                                       

5. Please do not disassemble and decompose components by yourself, you can buy standard components from RBSM Corp for replacement.                                                                                                                                                                                                                                                                

6. 

In order to keep others’ safe and prevent your electric bicycle from unnecessary damage, please do not lend it to someone who cannot operate it.                                                                                                                                                                                                                                                                

7. Please use display to adjust the assistance gears to the minimum level before riding.                                                                                                                                 

8. Please make sure the tire pressure is normal before riding.                                                                                                                                                             

9. Please make sure the screws of each component is properly tightened before riding.                                                                                                                                

10. 

This vehicle’s controller is equipped with the function of overload protection which means the power supply will be cut automatically when the 

vehicle is overloaded, and the power supply will be switched on automatically when it is back to normal.                                                                                           

11. You should turn off the power supply when you cannot drive this vehicle even though it has electricity to avoid damaging the bike.                                                                                                                                                                                                                                                               

12. You should turn off power when you are walking the vehicle to avoid turning the handle throttle or wheel disc by accident 

2.  

3. .  

 

 

Summary of Contents for BIGBOY

Page 1: ...2 Description of Bike Structure 3 3 Bike Unpacking and Assembling 4 4 Bike Debugging Instruction 9 4 1 Disc Brake Device Debugging 9 4 2 Shifting System Debugging 11 4 3 Battery Charging 12 4 4 Whole...

Page 2: ...so a large circuit current will be generated and cause an accident Please pay attention to it 5 Please do not disassemble and decompose components by yourself you can buy standard components from RBS...

Page 3: ...he Bicycle 5 Front Disc brake Device 6 Battery and Controller 7 Pedal 8 Rear Derailleur 9 Flywheel 10 Rear Disc brake Device 11 Crank set 12 Taillight 13 Saddle 14 Seat Post 15 Head light 16 Side refl...

Page 4: ...Page 4 Bike Unpacking and Assembling 1 Unpacking the packaging box and making an inventory of accessories 2 Taking out the bike from the packaging box clipping the ribbons which used on front wheel a...

Page 5: ...ing and Assembling 3 Find the front wheel quick release rod fix the front wheel in the front fork and keep the front wheel on the center of the fork then tighten the quick release rod 4 Fix the front...

Page 6: ...king and Assembling 5 Putting down the kick stand to make the bike stand on the ground 5 1 dismount the screws 5 2 Assemble the Handle bar to the stem and tighten the screws Please ensure the handle b...

Page 7: ...acking and Assembling 6 Lock the head light to the front fork by the screw washer and nut A 7 Put the seat post inside the seat tube adjust it to proper height and lock the seat post clamp B Please pa...

Page 8: ...E L E C T R I C B I C Y C L E M A N U A L B I G B O Y Page 8 Bike Unpacking and Assembling 8 Fix the pedals to crank arm and lock by wrench...

Page 9: ...left space of disc brake s shoe by adjusting the position of the bracket of disc brake device to achieve the back lash uniformity at the both sides of disc brake pad and disc brake device You can als...

Page 10: ...the core s degree of tightness to achieve the proper degree of tightness of the brake which means effective brake can be realized when the brake handle is pushed to the 1 3 position 1 3 The tires can...

Page 11: ...eur is at the outermost place and make the center of guide wheel is placed at the same line as the center of the flywheel s maximum tooth when the derailleur is at the innermost place 2 2 Through adju...

Page 12: ...B I G B O Y Page 12 Bike Debugging Instruction 3 Battery charging 3 1Use to charger to charge the bike battery Under charged two charger indicator lights are red A Battery is full or not under charged...

Page 13: ...electric connectors are in normal condition before the circuit test 4 3Please open the display to check the battery indicator head light indicator assistant level light work normally or not if there...

Page 14: ...ugging Instruction 4 7The sensor indicator is flashing normally 4 8when the assistant level is on Low middle or high level please turn the crank arm the motor starts to work and the other hand gently...

Page 15: ...eck whether the harness cable works well and change a new harness to test 2 If there is a throttle on the bike Throttle problem solution 1 Please check the throttle cable connector is good or not and...

Page 16: ...edly 3 Change a new controller to test 6 Whole bike without assistance Situation two The display can be lighted up the motor doesn t work no matter we push the throttle if the bike has crank or use 6k...

Page 17: ...es Condition 2 the lights are connected wire A Please check whether the positive and negative poles of the light are connected by opposite or inserted slanting B Change a new light to check if can wor...

Page 18: ...est condition even you don t ride the bike 4 In order to keep your riding safe and keep your electric bike at its best please regularly clean your bike 5 Please regularly check whether the performance...

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