Step1: Disconnect power supply at the electrical panel and ensure the fan is completely stopped before starting.
Step2: Remove existing guard using an proper tool and keep fasteners safely aside for reuse.
Step3: Align new fan guard over mounting points carefully, ensuring proper orientation with the fan housing.
Step4: Secure using screws, tightening evenly in a cross pattern to avoid vibration, stress, or misalignment issues.
Step5: Check clearance between blades and guard thoroughly, rotate fan manually, then restore power safely after verification.