What is the reason why Weimar pneumatic fan motor still can't work under normal circumstances?

Weimar pneumatic tools has been engaged in pneumatic tools industry for more than ten years, and has a professional understanding and research on pneumatic tools. Based on the understanding of pneumatic tools, we summarized a series of common faults and solutions of pneumatic tools. Let's first describe in detail the reason why the pneumatic screwdriver/pneumatic screwdriver stopped working.

There are several possible reasons for stopping the rotation:

1. The motor throttle valve or air inlet of pneumatic screwdriver/blower is blocked by foreign matter.

2. The blade of the pneumatic screwdriver/blower is worn, which causes the rotor to get stuck.

3. Rust inside the pneumatic screwdriver/blower causes the motor to get stuck.

4. Wear of pneumatic screwdriver/cylinder

5. The pneumatic screwdriver/blower bearing is damaged.

6. Wear of pneumatic screwdriver/fan gear