本文件规定了配备有链锯的林业机械上的链锯防护窗的试验方法和相应的性能要求，用于ISO 6814中定义的切割、收割或加工。它也适用于经过改装的带有链锯切割附件的机器（如挖掘机）进行切割、收割或加工。

This document specifies a test method and corresponding performance requirements for saw chain shot protective windows on forestry machines equipped with a chain saw for cutting, harvesting or processing as defined in ISO 6814. It also applies to machines that have been modified to perform cutting, harvesting or processing (such as excavator) with a chain saw cutting attachment.