As a main equipment in the mining, it is important know how to use the mining ventilation fan, what should be pay attention to before you use it? here is the article that will help you.

1. Use a megger to check the motor winding insulation resistance before installation, operation, and shutdown. When the rated voltage is not greater than 1KV, it should be greater than 5 MΩ; when the rated voltage is greater than 1kV, it should be greater than 50 MΩ.
2. The wiring of the fan motor must be correct, ensure that the cable and terminal are firmly connected, and the fan must be reliably grounded.
3. Before running the fan, be sure to ensure that the blade connection is tight, the connection between the impeller and the shaft must not be loose, and there must be no sticking or scratching when turning the impeller manually.
4. The ventilator cannot be started or operated when the air flow channel is blocked or blocked. Before commissioning, testing and operating the ventilator, make sure that the damper or test damper is open.
5. Before the commissioning, testing and operation of the ventilator, safety warnings should be set up at the air inlet, side and motor junction box to prevent people from approaching and contacting; outsiders are strictly prohibited from watching and approaching. It is strictly prohibited to stand at the air inlet and outlet of the ventilator.
6. Before commissioning, testing and operating the ventilator, make sure that the rotation direction of each impeller of the ventilator is correct.
7. The disassembly and assembly of the fan blades and the fan motor must be tightened according to the tightening torque required for each fastener in the instruction manual.
8. It is strictly forbidden to use a hammer to hit the blade and snap ring boss.
9. Strictly follow the requirements of the motor bearing oiling label or instruction manual: oiling cycle, oiling amount, and brand (different brands must not be mixed) to add grease.
10. It is strictly prohibited to heat the shaft plate.
11. It is strictly prohibited to disassemble the hinge bolts connecting the axle disc and hub spoke plate.
12. It is strictly prohibited to use the brakes without power outage.
13. Ventilators are absolutely prohibited from operating in surge areas.
14. Ventilator drivers must be trained and qualified before taking up their posts.

Above are the key point of what should be do before you operating the ventilation fan, i hope it will help you.