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Check that the steel synchroniser rings and driver dogs are seated correctly .

检查钢制同步器环和驱动掣子是否正确入位。

Taking measurements with the synchroniser rings fitted can give an incorrect result .

在同步器环仍处于安装状态时进行测量可能会导致不正确的测量结果。

The stop cams of the synchroniser ring must be positioned above the driver dogs .

必须将同步器环的止动凸轮放到驱动掣子上。

Make sure the rectangular indentations on the synchroniser ring are positioned correctly with respect to the guide sleeve .

务必确保同步器环上的矩形缺口相对于导套的位置正确。

The synchroniser ring can only be turned back through the operating sleeve when the speed is the same .

只有在速度相同时，同步器环才能通过操作套筒回转。