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Fit the screw, blade, and flat washer back on. Tighten the screw so as to ensure that a
clearance of the blade on the bolt in vertical direction is of 0.5 to 1 mm and that the
blade is free rotating on the bolt. Then screw on the nut. Using the barrel spanner No.
16 hold the bolt head and tighten the nut firmly. Make sure that all blades are free
rotating on the bolts. The cutting edge of the blades is double-sided. After one side has
been worn it is possible that the blade be rotated and the cutting edge of the other side
of the blade be utilised. We recommend you replace the blade at the same time with
replacement of the bolt.
Take care while dismantling the blades. The cutting edges of the blades are sharp.
Protect your hands with protective gloves.