Step 1:
Unfasten bolt underneath and take out mower blade
Step 2:
Take out all accessories
Solution A: Sharpen the blade Tips: Sharpen the cutting edges only by pulling with a file. The grinding angle is 30°.
Solution B: Replace the blade
Step 1:
According to the steps of below images to place accessories and install the blade
Step 2:
Fasten the bolt underneath, you can place batten aside to assist with installation
Tips: Tight the bolt to 36-40Nm and avoid overtightening
Bonus: This is a foldable handle with two joints to save most spaces