0478 131 8354 D - EN
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Check the blade width A and blade 
thickness B using a slide calliper.
A > 25 mm
B > 1,3 mm
The blade must be replaced if the 
measured values are achieved at one or 
more points or are outside the permissible 
limits.
16.4  Removing and installing the 
mowing blade
● Activate the disabling 
device (Ö 5.2) and wear 
gloves.
● Tilt the robotic mower onto its 
side and lean it securely against a 
stable wall. Carefully clean the mowing 
deck and mowing blade. (Ö 16.2)
Removing the blade:
Push in both tabs (1) on the 
carrier plate with one hand and 
hold. Remove the fastening 
nut (2) with your other hand. 
Remove the mowing blade together with 
the fastening nut.
Installing the mowing blade:
● Clean the blade, carrier plate and 
fastening nut prior to installation.
Fit the mowing blade (1) on the carrier 
plate (2) as illustrated. Ensure the correct 
position of the retainers (3) in the mowing 
blade. 
Screw on the fastening nut (1) as far as 
possible. Several clicks are audible during 
tightening. Ensure secure seating of the 
mowing blade by shaking carefully.
The mowing blade is designed for a 
service life of 200 hours.
Risk of injury!
Check the blade for damage before 
installation. The blade must be 
replaced if notches or cracks are 
detected or if it is worn. (Ö 16.3)
The carrier plate and the 
fastening nut must also be 
replaced if damaged (e.g. broken, 
worn). The fastening nut in 
particular must engage cleanly in 
the carrier plate.