10.07.2015 Views

Owner's manual - Electric bikes & folding bikes

Owner's manual - Electric bikes & folding bikes

Owner's manual - Electric bikes & folding bikes

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8.0 MaintenanceHave your A2B checked by an Ultra Motor dealer at leastonce a year.8.1 WheelsThe front and rear wheels shouldbe centred in the fork and frame.Wheels should be checked regularlyfor proper spoke tension and rimalignment. DO NOT ride your A2B if ithas broken or missing spokes. Wheelsshould rotate smoothly withoutwobbling from side-to-side or up-anddown.8.2 Hub bearingsCheck the hub bearingadjustment periodically bylifting the wheel off the groundand spinning it and try tomove the rim from side-to-sidebetween the fork or frame.No lateral movement shouldoccur. If you detect lateralmovement in either wheel, thehub bearings must be adjustedor replaced.8.3 Wheel rimsThe rims must be smooth,without cracks, bulges orflat spots. Take your A2Bto an Ultra Motor dealer orqualified bicycle mechanicto repair and/or adjust yourwheels if necessary.8.4 Drive chainYour A2B has a highquality chain thatneeds to be cleanedand lubricatedregularly with bicycleindustry approvedsynthetic lubricant.26

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