3. Checking Opeaon
3-1. Feature
3-2. Structure
1) Structure
① Door; to protect the internal chamber and erupting rotor
② Locking hook
③ Peeping hole; to check rpm by the digital speed meter
④ Chamber
⑤ Door packing;
⑥ Rotor
⑦ Control board
⑧ On/off switch
⑨ Emergency door open device; manually open door on power failure, etc.