Step1: Disconnect power and ensure appliance is unplugged for safety.
Step2: Remove existing blade guard and loosen retaining screws using proper tool.
Step3: Carefully detach old knife assembly while wearing cut-resistant gloves.
Step4: Align new knife assembly with mounting hub ensuring proper alignment.
Step5: Secure screws evenly and tighten to the torque gradually.
Step6: Reinstall guard and check alignment, confirm clearance.
Step7: Rotate manually to ensure smooth operation before power on, then restore power.