22PG-M15XPG-M15SAN-M15T5. Disassemble Fan Module5-1. Remove two Hexagon Copper Sticker and detach Assy Fan.5-2. Remove two screws and detach Exhaust Window Assy.5-3. Remove two screws and detach Fan and Rubber.5-15-25-3Exhaust WindowFan Ass'yHexagon Copper StickerRubberRubberFanFan