Robomow RK4000 Informations Complémentaires page 5

Blade Replacement
Periodically inspect the blades and replace them if damaged.
It is recommended to replace the blades per the table below.
Always replace all 4 blades, including the screws.
< 1/8 acre
1/8 acre - 1/4 acre
> 1/4 acre
Watch the video
Every 8 - 10 weeks
Every 6 - 8 weeks
Every 4 - 6 weeks
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