I am writing to apply for replacing our vibration detector.

At present, our vibration detector has been running for five years, exceeding the design life. In the past period of time, we found that the readings of detectors were unstable, which may affect our production process and product quality. Therefore, I put forward an application for replacing a new vibration detector to ensure the safety and stability of production.

The concrete scheme of replacing the vibration detector is as follows: In the next week, we will arrange a professional maintenance team to replace it. The new vibration detector will be designed and manufactured according to current industrial standards, which can provide more accurate and stable vibration readings. In addition, we will comprehensively record and evaluate the replacement process for reference in future maintenance and repair.

I believe that replacing the new vibration detector will greatly improve our production efficiency and product quality. Here, I promise to go all out to ensure that the replacement process goes smoothly and that the new vibration detector can effectively meet our production needs.

Thank you for reading my application in your busy schedule. We look forward to your reply so that we can replace it as soon as possible.

Hereby,

[Your name]

[Your position]

[Date]