Fastener Hardware Tool Tightening
torque (Nm)
Bearing cover, skid plate Screw gray, 4 x 14 mm Torx 20 1.2
Blade motor bracket Screw gray, 4 x 14 mm Torx 20 2
Cutting height adjustment motor Screw gray, 4 x 14 mm Torx 20 1.0/1.3**
Charging station, lid Screw gray, 4 x 14 mm Torx 20 0.8
Charging station, frame Screw gray, 4 x 14 mm Torx 20 1.0
Charging station, contact strips Screw gray, 4 x 14 mm Torx 20 0.8
Charging station, base and housing Screw gray, 4 x 14 mm Torx 20 0.8
*for 420/430X/440/450X/520/550
**for 430XH/450XH/550H
44 - Service 1191 - 001 -