Turn the wiper module over and remove the nut that secures the wiper motor crank arm to the wiper motor output shaft .

转动雨刷模组盖，并拆下将 雨刷马达曲柄 臂固定于雨刷马达输出轴上的螺帽。

To check the wiper arm attack angle the adjusting tools must be removed .

若要检查“ 刮 臂迎角”，必须拆下调节工具。

I wedged it under the wiper arm .

于是就把它 塞到 雨刷 杆 的 下面。

Push both angle adjusting tools onto the wiper arm and adjust the angle to the required specification by twisting the front adjusting tool .

将两个角度调节工具压到 刮 臂上，扭转前面的调整工具，将角度调整到所需的规范。

Unexpected switching on of the wiper system while the wiper arm is being worked on .

当 刮 臂正在工作时，刮水器系统意外开启。