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 .
