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5. Lock the blade disc using hex spanner. Unscrew the two inner hexagonal headed screws and
note the position of the cutting angle of the blade.
6. Remove the blade and rotate it through 180 degrees and fit the blade to the blade disc ensuring
that the ground cutting edge is facing downwards.
7. Repeat this for the other blade.
When both cutting edges of the blade become worn they must be replaced as a pair. The blades
can be re-sharpened, but this must be done by an experienced person using an oil stone. We do not
recommend this be done as the weight of each blade is critical to maintain the balance of the cutting
disc. Any imbalance could cause damage to the machine and possible injury to the operator.