Tony M Howard Beach , NY June 28, 2016 Appliance: General Electric Room Air Conditioner AJCS06LZM1 Ge Air Conditioner Ajcs06lzm1: One fan blade broke off. How to replace Propeller (Condenser Fan Blade). I first took the broken blade off and try using the airconditioner with four blades but it the unit vibrated. So I replace the fan took me fifteen minutes easy and it stop the vibration. Use my fingers to unscrew the nut then pull off fan easy 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes