Check that the drive tappet is installed correctly .

检查传动挺杆是否安装正确。

The valve tappet guide must be replaced if it displays irregularities deviating from the limit sample photo .

如果气门挺杆导向轴套上有明显偏离极限样本照片的缺陷，则须更换。

When doing so , make sure that the flat-based tappet guides are not damaged .

进行此操作时，确保不损坏平底挺杆导轨。

In any event , the sharply pointed shapes of the lobes on aggressively profiled camshafts exert pressures in excess of 2 00000 lb per square inch ( 14000 kg / cm ) at the contact point between the tappet and the lobe .

无论在何情况下，具有侵略性的异形凸轮轴上麻坑的锐角在挺杆和麻坑间的接触面上施加超过200000磅每平方英尺（合14000kg/cm）的压力。

Cam shaft and tappet body are important parts of engine , their status will influence directly whether or not the engine could make normal operation .

凸轮轴和挺杆体是发动机的重要零件，它们的状况直接影响着发动机能否正常工作。