在安装挖掘机负载指示器之前，需要测量一个重要数据，液压传感器适配器法兰的尺寸，测量如下

1.First find the arm cylinder flange mounting location

2.Measure the center distance between two sets of bolts, Measure the lengths of C and E to within 1mm.

3. Send data back to factory technician to customize flange