柴油机横臂导杆折断会带来严重后果，经分析认为其折断原因有：同名气门杆顶部不齐；调整螺母松动，调整螺钉窜动；气门导管与气门杆间隙量大。

The reasons are: different top heights of valve rods having the same names; loose adjustment nuts or adjustment screws moving; and big clearances between valve guides and valve rods.

youdao

柴油机横臂导杆折断会带来严重后果，经分析认为其折断原因有：同名气门杆顶部不齐；调整螺母松动，调整螺钉窜动；气门导管与气门杆间隙量大。

The reasons are: different top heights of valve rods having the same names; loose adjustment nuts or adjustment screws moving; and big clearances between valve guides and valve rods.

youdao