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6.2. 

RECOMMENDED MAINTENANCE INTERVALS

Maintenance of your Pedelec is required according to its use and it cannot be 
precisely indicated. Take your bike at least once a year to a specialist dealer 
for inspection and maintenance.  

In principle, we propose the following maintenance intervals: 

One-time after 62 - 186 miles (100 - 300 km)

 

»

Check tightening torques of brake levers, saddle, saddle support, stem, 
handlebar 

 

»

Check spoke tension, re-center if required

 

»

or readjust shift cables 

every 310 miles (500 km)

 

»

Check bearing clearance of steering

 

»

Check bearing clearance of hubs

 

»

Check bearing clearance of pedals

 

»

Check tight-fitting crank seat

 

»

Check wheel concentricity and spoke tension

 

»

Check headlamp inclination

 

»

Check brake pad wear condition (first time after 621 miles (1,000 km)) 

Every 1242  miles (2,000 km) (or once a year)

 

»

Check brake disc wear condition

 

»

Check tightening torques of brake levers, saddle, saddle support, stem, 
handlebar 

 

»

Check chain wear condition and exchange it, if required

 

»

Chain ring and sprocket wear condition

6.3. 

AFTER AN ACCIDENT

If due to an accident, parts of the drive system are visibly damaged 
(cable, motor, battery), a hazard of electric shock exists.
-> Immediately remove the battery in such case. Check the drive sys-
tem by a qualified dealer.

MAINTENANCE   

MAINTENANCE   

Any damages caused to the carrying parts of your Pedelec due to an 
accident may lead to a breakage hazard.
-> After an accident, contact your specialist dealer to check all 
damaged parts such as frame, fork, handlebar, stem, saddle support, 
pedal crank and pedals, and exchange any parts if required. 

6.4. 

BATTERY

The battery has a guaranteed service life of two years (warranty term) and 500 
charging cycles, with a remaining capacity of 60% after this period. A charg-
ing cycle means a complete charge of the battery with one single charge or 
several partial charges (e.g. two half charges). 
A battery is a wear part, as it ages over time or wear is accelerated rate by its 
use. The battery life depends on the following factors:

Stress

Battery life is reduced by a high demand on the motor output (strong stepping 
up, high supporting levels).

Environmental temperature at storage

Battery life is reduced when the bike is stalled at temperatures exceeding 
30 °C or in the direct sunlight. Storage at temperatures between 0 and 20 °C 
increases the battery life.

Charging status during storage  

The highest battery life is achieved when the battery is stored with a charging 
status of approx. 60%. But storage of the battery with a full or empty status 
will reduce the battery life.
If you do not use your Pedelec for a prolonged period (> 1 month), make sure 
that the battery is charged by approx. 60%, which corresponds to 3 LEDs on 
the display. Check the charging status after 3 months. If only one LED is lit on 
the charging status display, re-charge the battery up to approx. 60 %.

6.5. 

TIRES

Inevitably, tires are subject to wear due to friction. Wear of the side edges 
of the tire can be reduced, by using a sufficient amount of air pressure (see 
Chapter 3.1) and by giving up blocking the wheels during braking. 
You should change your tires when the rubber wheel tread is used up as 
visualized by the mesh below, or when the tires have become porous due to 
ageing and frequent sun radiation. The following chapters describe the proce-
dure for changing the tires. 

Summary of Contents for Lil'Buddy

Page 1: ...1 ORIGINAL OPERATING MANUAL ...

Page 2: ...s were provided with courtesy of HNF GmbH The mentioned brand names are subject to copyrights and are the property of their legitimate owners even without special indication Any reprint or copy even only in extracts is only permitted with our express written consent Subject to misprints errors and technical alterations Please note that the illustrated product may be different from the delivery con...

Page 3: ... 17 4 3 Brake system 18 4 4 Side stand 18 5 Ergonomic setting 19 5 1 Brake lever 19 5 1 1 Adjusting brake lever position 19 5 1 2 Brake grip angle 20 5 1 3 Adjusting brake lever distance 20 6 Maintenance 20 6 1 Wear parts list 21 6 2 Recommended maintenance intervals 22 CONTENTS 6 3 After an accident 22 6 4 Battery 23 6 5 Tires 23 6 6 Changing tires tubes 24 6 6 1 Dismounting the front wheel 24 6 ...

Page 4: ...atest importance1 to the technical quality of the single components of your Pedelec ensuring that you will enjoy your Lil Buddy for many years The Lil Buddy is a bicycle with electrical power assistance for the driver This aid is adjusted via a controller that evaluates the data through three sensors speed step rate and torque regulating the motor according to the selected support level When reach...

Page 5: ...um support speed will endanger your driving safety and con vert the vehicle from a Pedelec into a small motorcycle You will be exposed to sanctions in accordance with traffic licence and safety regulation with penal consequences Rotating parts such as wheels chain ring sprocket pedal crank or pedals may draw into clothing carried objects and even body parts e g your shawl or a bag attached to the ...

Page 6: ...rd of accident Lift the vehicle by the front frame so that it no longer touches the ground Turn the fork leftwards and rightwards The front wheel must follow the movement This simulated steering operation should not be difficult If the steering is not rotated easily the ahead bolt is tightened too fast 1 Loosen it by releasing the 2 screws 2 of the stem Now you can adjust the compression of the st...

Page 7: ... sure that the Bosch Motor is on By pressing the button for a few seconds front and backlight will be turned on To turn the lights off press the button for a long time Detailed information on the operation of the board computer is found under 4 1 1 Purion board computer 2 7 INITIAL ENGAGEMENT OF BRAKE DISCS Your brake system is delivered with a weak break function because the surfaces of the brake...

Page 8: ...t the higher the air pressure to be used If you are not a light weight person set the pressure of your rear tire at 1 5 bar We recommend to check the pressure every 2 4 weeks since there is an inevitable constant pressure loss of the inner tubes With a too low tire pressure a puncturing hazard exists snakebites This will result in a flat tire A tire that is damaged by tears or punctured by a sharp...

Page 9: ...The front shift lever A has two levels Release the gearshift lever after shifting so that the gearshift lever can automatically return to the starting position To go lower a gear on the sprocket press on the right side of the handlebar the front shift lever A until it snaps into place for the first time To lower down two gears on the sprocket press the front shift lever A on the right side of the ...

Page 10: ...ense braking action You could burn yourself 4 4 KICKSTAND When manipulating your side stand observe the following Riding with unfolded side stand may lead to falling Moving the Pedelec backwards with an unfolded side stand may lead to the clamping of the stand onto the crank Fold in the stand before starting the ride If you sit on the Pedelec while the sides stand is folded out it may fail Do not ...

Page 11: ...aintenance of your Pedelec If you do not know how to perform this task take your bike to a specialist for maintenance MAINTENANCE 1 A hazard of injury exists when the drive system is switched on during maintenance works You hands may get caught between the chain and chain ring during running operation Remove the battery before performing maintenance works This ensures that the drive systems out of...

Page 12: ... any parts if required 6 4 BATTERY The battery has a guaranteed service life of two years warranty term and 500 charging cycles with a remaining capacity of 60 after this period A charg ing cycle means a complete charge of the battery with one single charge or several partial charges e g two half charges A battery is a wear part as it ages over time or wear is accelerated rate by its use The batte...

Page 13: ...ont wheel is now slide out from the dropout of the fork Insert the transportation lock between the brake pads When the wheel is dismounted do not actuate the hydraulic brake discs Otherwise the calliper pistons may approach each other and touch Once you have dismounted the wheel slide some colored transpor tation locks between the brake pads MAINTENANCE 6 6 2 DISMOUNTING THE REAR WHEEL Change into...

Page 14: ...ot the case re open the quick release and retighten the nut With a too low initial tension of the quick release the wheel can come off during the ride A hazard of accident exists Always tighten the quick release firmly so that when lifting up the tension lever by its force it leaves an imprint on the palm of your hand MAINTENANCE 6 6 5 REAR WHEEL ASSEMBLY Remove the transportation lock between the...

Page 15: ... light cone is situated at a height equivalent to only half the distance between the ground and the centre of the lamp 1 67par 3 StVZO MAINTENANCE The inclination of the headlamp is set by releasing the screw connection on the lamp holder with an appropriate open end wrench and repositioning it according to a new inclination Tighten then the nut only to such extent allowing you to correct with a g...

Page 16: ... commercial transport or transport by third parties e g forward ing agent national regulations on packaging and identification must be met e g provisions of the ADR If required consult your specialist in hazardous materials for the correct preparation of the package 9 TECHNICAL DATA 9 1 COMPONENT LIST Chassis Frame Lil Buddy Unisex Fork Lil Buddy Double Down Crown Fork TRANSPORT Drive system Engin...

Page 17: ...ce of a manufacturing material or information fault The claimed damage was already existent at the time of the transfer The product was not altered due to wear or ageing The damages were not originated by any use other than the intended use Battery The battery has a remaining nominal capacity of less than 60 after a maximum of 500 charge cycles The warranty shall not include any wear parts as stat...

Page 18: ... and the national laws for the implementation of these directives Disposal of the Pedelec at the end of its service life should only be done through a public collection point Packaging materials shall be collected sep arately and directly disposed of according to local collection schemes Take the used battery to an E bike dealer or send it for disposal in the hazardous waste packaging to RUFF CYCL...

Page 19: ...RUFF CYCLES GmbH Im Gewerbepark D36 93059 Regensburg Germany info ruff cycles com www ruff cycles com 25111 2009 OMLB A5 EN ...

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