Service Manual ALS/XLS 20x/256/27204/2019 | 00 300 RepairDriveTools:– Hexagon socket driver SW 2.5, 3, 4Auxiliary materials:– Loctite 243 ThreadlockerAdjusting toothed belt tension Open the casing - see Ch. Opening the casing. Loosen 4 screws on the motor mount [322A]. Slide the motor [322D] until the belt [322C] is taut,then retighten 4 screws on motor mount.Removing toothed belt, belt pulleys and motor Open the casing - see Ch. Opening the casing. Loosen cable fastening [322E]. Remove 4 screws [323A] that secure motor driverboard in place. Remove motor driver board [324A] and disconnectthe plug connections [324B to E]. Loosen 4 screws on the motor mount [322A] toslacken the toothed belt [322C]. Mark the installation positions of the pulley and mo-tor pinion on their respective shafts using a drawingpoint, for example. Loosen 2 setscrews on the large pulley [322B]. Loosen 2 setscrews on the motor pinion [322F]. Remove toothed belt along with pulley and motorpinion. Remove the 4 screws on the motor mount [322A]and remove the motor.[322] Removing toothed belt and pulley[323] Removing the fastening screws that secure the motor driverboard to the underside of the casing[324] Removing the motor driver boardAC BDEFAE DCBA