MAINTENANCE AFTER THE FIRST 50 OPERATING HOURS STANDARD MACHINE "20 KPH" WITH ALS: 1. Pull cable (3) off speed sensor (4). 2. Unscrew and remove speed sensor (4). 3. Carry out steps no. 2 to 6. 4. Replace sealing ring (6). 5. Undo counternut (5) a little. 6. Screw speed sensor (4) in completely but not tight. 7. Undo by about 1 turn. 8. Hold speed sensor (4) tight and tighten counternut (5). Torque = 50 - 70 Nm. 9. Connect cable (3) to speed sensor (4). 7-39