Bosch Bulls Cross Lite Evo Operating Instructions Manual

Contents

MY20B01-22_1.0_21.06.2019 95Cleaning and servicing7.4.8 Checking the brake discs for wear Check that the brake disc is no less than 1.8mm at any point. The brake discs have not reached the wearlimit. If they have, a specialist dealer will needto replace brake discs.7.4.9 Electrical cables and brake cables Check all visible electrical cables and cablesfor damage. If the sheathing is compressed, forexample, the pedelec will need to be removedfrom service until the cables have beenreplaced. Check all electrical cables and cables to makesure they are fully functional.7.4.10 Gear shift Check the gear shift and the shifter or the twistgrip setting and adjust it as necessary.7.4.11 Stem The stem and quick release system should beinspected at regular intervals. The specialistdealer should adjust them if necessary. If the hexagon socket head screw is alsoloosened, the headset backlash also needs tobe adjusted. Medium-strength thread locker,such as Loctite blue, then needs to be appliedto the loosened screws and the screwstightened as per specifications. Check for wear and signs of corrosion(maintain with an oily cloth) and for oil leaks.7.4.12 USB port7.4.13 Checking the belt and chain tension Check the chain tension in three or fourpositions, turning the crank a full revolution. If the chain can be pushed more than 2 cm, thechain or drive belt will need to be tensionedagain by the specialist dealer. If the chain or the drive belt can only be pushedup and down less than 1 cm, you will need toslacken the chain or the drive belt. The optimum chain tension is achieved if thechain or the drive belt can be pushed amaximum of 2 cm in the middle between thepinion and the toothed wheel. The crank mustalso turn without resistance. If a hub gear is featured, the rear wheel mustbe pushed backwards or forwards to tightenthe chain. This should be done by a specialistonly.Figure 85: Checking the chain tension7.4.14 Checking the handlebar gripposition Check the handlebar grip is firmly in position.NoticeAny moisture which enters through the USB portmay trigger a short circuit in the display. Regularly check the position of the cover on theUSB port and adjust it as necessary.NoticeExcessive chain tension increases wear.If the chain tension is too low, there is a risk thatthe chain or the drive belt will slip off the chainwheels. Check the chain tension once a month.2 cm