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挖掘机在平地上作业,应用____将履带(或轮胎)刹住、楔牢。

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正确答案:

制动器

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挖掘机不应自行移动较大距离( 5 公里以上)移动时,动臂应放在行走方向,铲斗距地面高度不得超过1 米,铲斗满载时禁止移动。上坡时,驱动轮应在后面, 动臂应在前面; 下坡时,驱动轮应在前面,动臂应在后面,在斜坡上, 禁止回转及身和变速及空挡滑行。上下坡度不得超过 20 度,挖掘机在通过铁道或软土、粘土路面时,应铺设垫板。

挖掘机不要混合不同类型的液体和润滑油。因为轴承并不相同。每一种轴承都有其特性和特定的润滑油。

在高的工作面上挖掘散粒土壤时,应将工作面内的较大石块和其它杂物除掉,以免塌下造成事故。如将土壤挖成悬空状态,而不能自然塌落时,则需用人工处理,不得用铲斗将其砸(压)下。禁止在危险的掌子面学工作或停放挖掘机。

发动机起动后,严禁有人站在铲斗内、臂杆上、履带和机棚上。正式作业前,应先鸣号,并试挖,确认正常后,方可正式作业。

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