NISHIRO NRG II User Manual
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NISHIRO NRG II User Manual

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NRG II 27.5" Electric
Bicycle
User Manual
[Revision 2.0 April 2018]
READ THIS MANUAL CAREFULLY BEFORE USE – FAILURE TO DO SO MAY RESULT IN INJURY,
PROPERTY DAMAGE AND MAY VOID WARRANTY. • KEEP THIS MANUAL FOR FUTURE REFERENCE.
• Products covered by this manual may vary in appearance, assembly, inclusions, specifications, description
and packaging.
E&OE
©2018 Nishiro

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Summary of Contents for NISHIRO NRG II

  • Page 1 NRG II 27.5" Electric Bicycle User Manual [Revision 2.0 April 2018] READ THIS MANUAL CAREFULLY BEFORE USE – FAILURE TO DO SO MAY RESULT IN INJURY, PROPERTY DAMAGE AND MAY VOID WARRANTY. • KEEP THIS MANUAL FOR FUTURE REFERENCE. • Products covered by this manual may vary in appearance, assembly, inclusions, specifications, description and packaging.

  • Page 2: Safety

    NRG II 27.5" Electric Bicycle Safety • Riding can be a hazardous activity. Certain conditions may cause the equipment to fail without fault of the manufacturer. The product can and is intended to move, and it is therefore possible to lose control, fall-off and/or get into dangerous situations that no amount of care, instruction or expertise can eliminate.

  • Page 3: Table Of Contents

    NRG II 27.5" Electric Bicycle Table of Contents Safety ..............................2 Introduction ............................4 Parts Identification and Assembly ....................5 Tools Required for Assembly ........................5 Assembly ..............................6 Handlebars ............................6 Seat ..............................7 Front Wheel ............................8 Pedals..............................9 Ancillary Parts ............................

  • Page 4: Introduction

    NRG II 27.5" Electric Bicycle Introduction Congratulations on purchasing a Nishiro pedal assisted bicycle. We hope you enjoy years of satisfactory and safe riding. Read the manual. This manual is provided to help you to get the best performance, comfort, enjoyment and safety from your bicycle.

  • Page 5: Parts Identification And Assembly

    NRG II 27.5" Electric Bicycle Parts Identification and Assembly Name Name Bicycle Assembly (Frame, Forks, Handlebar, Parts / Tools / Accessories: Crank, Chain, Battery, Motor, Rear Wheel etc) Quick-Release ("skewer") (front wheel) Mudguard Bracket / Screws (rear wheel) Front Wheel...

  • Page 6: Assembly

    NRG II 27.5" Electric Bicycle Assembly Before riding, ensure that all required fasteners are tightened to the correct torque. • Ensure that the tyres are inflated to within specification (printed on the tyre sidewall), and that the brakes are operating correctly. • Assembly may require 2 people. • Do NOT allow children to perform the assembly.

  • Page 7: Seat

    NRG II 27.5" Electric Bicycle The orientation of the front fork is correct when the axle is facing forward. The orientation of the handlebar is correct when the control cables and brake levers are facing forward. It is ESSENTIAL that the fork and handlebar are assembled correctly.

  • Page 8: Front Wheel

    NRG II 27.5" Electric Bicycle Front Wheel It is ESSENTIAL that the wheel quick-release mechanism is installed and adjusted correctly. Failure to do so will render the bicycle as dangerous. If you are in any way unsure about installing and adjusting the quick-release, take the bicycle to an authorised service centre or qualified bicycle mechanic.

  • Page 9: Pedals

    NRG II 27.5" Electric Bicycle Pedals It is critical that you follow the pedal to crank arm attachment procedure carefully to ensure correct assembly. • During assembly, do NOT use excessive force to screw the pedals into the crank arms – this may indicate misalignment of the pedals or mis-matched threads. If the pedal does not "feel right"...

  • Page 10: Operation

    NRG II 27.5" Electric Bicycle Operation Before riding, ensure that all required fasteners are tightened to the correct torque. • Charge the battery prior to use. • Ensure that the pedal assistance system is switched OFF when the bicycle is not in use. • Always wear a helmet and appropriate safety equipment and always keep both hands on the handlebars and both feet on the pedals whilst riding.

  • Page 11: Pedal Assistance

    NRG II 27.5" Electric Bicycle Pedal Assistance Charge the battery prior to use. • Pedal assistance is not mandatory for riding – normal bicycle riding ("pedal power") alone can be used. It is recommended to use pedal assistance when necessary, and not rely on it solely.

  • Page 12: Understanding The Control Panel And Display

    NRG II 27.5" Electric Bicycle Understanding the Control Panel and Display Control Description ON / OFF – Press and hold to activate / deactivate the control panel / pedal assistance system. Also used for special functions. Increase Pedal Assistance – Press to increase the level of pedal assistance. The range of...

  • Page 13: Special Functions

    NRG II 27.5" Electric Bicycle Special Functions Changing the settings for some functions may cause the bicycle to operate abnormally or in a way that may appear to be a fault. Take extra care when using any special function to avoid making a setting that may adversely affect bicycle operation or how you want it to operate.

  • Page 14: Guidelines For Using Pedal Assistance

    NRG II 27.5" Electric Bicycle Guidelines for Using Pedal Assistance To get the best performance and service life from the pedal assistance system, understand and apply the following techniques: Note that some characteristics of how pedal assistance functions may differ from that described...

  • Page 15: Using Brakes

    NRG II 27.5" Electric Bicycle Guidelines for Using Gears To get the best performance and service life from the gear change system, understand and apply the following techniques: • You MUST be pedalling during gear changes. • Do not attempt to change multiple gears in a single action. Allow each gear change to complete fully before the next change.

  • Page 16: Suspension

    NRG II 27.5" Electric Bicycle Guidelines for Using Brakes To get the best performance and service life from the brake system, understand and apply the following techniques: • In wet conditions, which reduces friction, always provide additional distance for braking and adjust how quickly you apply the brakes.

  • Page 17: Batteries And Battery Charging

    NRG II 27.5" Electric Bicycle Batteries and Battery Charging Never modify the electrical system. Alterations may cause a fire, resulting in serious injury and could also damage the electrical system. • Charge with the supplied charger only. Use of the wrong charger may cause a fire or explosion, resulting in serious injury. • Ensure the voltage and frequency of the charger is compatible with mains electrical supply.

  • Page 18: Maintenance

    NRG II 27.5" Electric Bicycle Maintenance Some maintenance activities described may be beyond the scope of some users. Do NOT attempt procedures that you are not comfortable with, or do not have the necessary tools, experience or knowledge for – take the unit to an authorised service centre or qualified technician for servicing.

  • Page 19: Battery Storage

    NRG II 27.5" Electric Bicycle Battery Storage When storing the batteries for a long period of time: • Charge the batteries at least every 30 days to avoid capacity loss. Batteries slowly self-discharge when unused over a long period. If the battery cells are left at a critically low charge state, the lifespan and capacity will be permanently reduced.

  • Page 20: Brakes

    NRG II 27.5" Electric Bicycle Brakes Cable Adjustment The brake levers are fitted with cable adjusters to compensate for cable stretch and/or adjust how much lever travel is required to activate the brake. A looser cable requires more lever travel to activate the brake, a tighter cable requires less lever travel to activate the brake.

  • Page 21: Pad Replacement

    NRG II 27.5" Electric Bicycle Pad Replacement Use manufacturer supplied replacement pads only. Replace the brake pads when the friction material reaches 0.5mm in thickness. To replace pads: 1. Using a 4mm Allen key, loosen (rotate left / anti-clockwise) the pad adjustment bolt (G). Do not remove the bolt, just loosen it so there is additional pad-to-disc clearance for the new [thicker] pads.

  • Page 22: Chain Care

    NRG II 27.5" Electric Bicycle Chain Care The chain periodically requires lubrication, depending on frequency of use and conditions etc. If the chain is noisy or running roughly, lubricate it by applying a small amount of bicycle chain lubricant to it. Do not 15-20mm allow the lubricant to get on to the tyres.

  • Page 23: Frequently Asked Questions

    NRG II 27.5" Electric Bicycle Frequently Asked Questions Is it normal for batteries to get warm when charging? Yes, it is normal that the batteries will become warm during the charging process. How long will my batteries last before needing replacement? Average battery life depends on use and conditions.

  • Page 24: Troubleshooting

    NRG II 27.5" Electric Bicycle Troubleshooting Malfunction Possible Cause Possible Solution Pedal assistance not Under-charged battery. Charge battery. Follow battery care procedures. working Battery no longer serviceable. Have battery checked. Replace if faulty. Battery charger faulty. Have charger checked. Replace if faulty.

  • Page 25: Specifications

    NRG II 27.5" Electric Bicycle Malfunction Possible Cause Possible Solution Front forks or frame bent. Straighten. Motor "clicks" / has Under-charged battery. Charge battery. Follow battery care procedures. reduced power and/or Motor internal fault. Replace. shuts off No power when pedal Blown fuse.
  • Page 26 ©2018 Nishiro. All rights reserved. No part of this document, including descriptive content, concepts, ideas, diagrams or images may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, scanning or recording, or any information storage and retrieval system, without express permission or consent from the publisher.

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