portable air compressor Emergency stop

 1. if portable air compressor is under the following circumstances, the emergency stop should be done: 
(1) the portable air compressor abnormal sound or vibration; 
(2) the exhaust pressure than the relief valve set pressure relief valve does not open; 
(3) exhaust temperature over 100 degrees Celsius when not automatically stop;
 (4) the surrounding emergencies; 
2. Emergency stop, do not need to uninstall first, can press portable air compressor the "stop" button directly.