5SAFETY INSTRUCTIONSCUSTOMER MANUAL FRONT HUB MOTOR SYSTEM3.3 Installation andMaintenanceIt is vital that all bolted connections on thepedelec have the correct torque in order toensure that they are secure. An incorrect torquecan damage the screw, nut or component.Always use a torque spanner to tighten screwjoints. You are not able to correctly tighten thesebolted connections without this specialist tool!Before performing any kind of work on yourPedelec, turn off the electric motor unit andremove the battery. Not doing so may result inserious injury and/or electric shock.The frequency of maintenance will varydepending on riding conditions. Periodicallyclean the chain using an appropriate chaincleaner. do not use alkaline or acidic cleaningagents to remove rust under any circumstances.If such cleaning agents are used, they maydamage the chain and serious injury may result.3.4 Safety Precautions• Please follow the instructions given in theuser manuals for your riding safety.• Regularly examine the battery and thecharger for damage, especially the cable,plug and casing. If the battery or charger isdamaged, it must not be used until it hasbeen repaired.• Please follow the guidance given bythe safety supervisor or the instructionsindicated in the manual when using theproduct. This product is not intended for useby persons (including children) with reducedphysical, sensory or mental capabilities, orlacking the required experience and knowl-edge, unless supervised or having receivedinstructions concerning use of the productby a person responsible for their safety.• do not allow children to play near theproduct.• Should you encounter any errors or prob-lems, consult your nearest dealer.• do not modify the system yourself. doingso may be considered illegal or cause thesystem to malfunction.• For information on product installation andadjustments, please consult with your dealer.• The product is designed to be fully water-proof so as to withstand wet weather ridingconditions. However, do not deliberatelyimmerse it in water.• do not clean the pedelec using a high-pres-sure cleaner. If water gets into any of thecomponents, operating problems or rustingmay result.• When shipping the product on a high-speedvehicle exposed to rain, remove the batteryand put it in a safe place to stop it fromgetting wet.• Handle the product carefully, and avoidsubjecting it to any strong impacts.• Key important information may also befound on the product labels.• When buying a spare key for the battery, besure to provide the number on the batterykey. Please keep the number in your mind oryour notebook.• Use a wrung-out damp cloth to clean thebattery casing.• For any questions regarding maintenanceand use of the product, please contact thedealer where you bought the product.