What is the procedure to replace overhang fan bearing?
1. Lockout/Tagout, Remove the Fan Blade, Remove the Cover, Replace the Bearing, Apply Grease, Reassemble the Fan
2. Remove the Cover, Replace the Bearing, Apply Grease, Reassemble the Fan, Lockout/Tagout, Remove the Fan Blade
3. Remove the Fan Blade, Remove the Cover, Replace the Bearing, Apply Grease, Reassemble the Fan, Lockout/Tagout
4. Replace the Bearing, Apply Grease, Reassemble fan, Lockout/Tagout