
Discard a blade if cracks are found. • Check that the support flange is not cracked due to fatigue or due to being tightened too much. Discard the support flange if it is cracked. • Ensure the locking nut has not lost its captive force. The nut lock should have a locking force of at least 1.5 Nm. The tightening torque of the locking nut should be 35-50 Nm. • Check that the blade guard is not damaged or cracked. Replace the blade guard if it is exposed to impact or is cracked. Check that the trim