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[单选题]
装配在范围挡拨叉轴端部的六角螺母,拧紧力距是()。
A.21~25N.m
B.41~51N.m
C.73~89N.m
D.119~145Nm
查看答案
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A.21~25N.m
B.41~51N.m
C.73~89N.m
D.119~145Nm
A.20mm
B.15mm
C.10mm
D.5mm
A.拆下损坏的传动轴等零件
B.然后拆下换向箱后端拨叉标杆罩
C.拆下损坏的车轴等零件
D.然后拆下车轴齿轮箱后端拨叉标杆罩
阀抽空充装管内氯气,至负压为止。卸下紫铜管并试漏,装上钢瓶角阀小六角螺母和安全帽,挂上()。