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拖拉机安全驾驶操作的基本要领制动 | 2011-7-27 20:36:00
拖拉机安全驾驶操作的基本要领制动
拖拉机的制动方法有两种:一种是发动机制动,另一种是用制动器制动。发动机制动是利用发动机的牵阻作用进行制动,即当车速较高时,迅速地减小油门,利用气缸的压缩力对驱动轮制动,以达到降低车速的目的。
拖拉机制动按其性质分为预见性制动和紧急制动两种:预见性制动是根据地形、环境等提前做出判断,有准备地减速和停车,其方法是减小“油门”,用发动机制动减低车速。必要时,同时用制动器间歇制动,待车速降低到一定程度后,再分离离合器,用制动器制动停车。紧急制动是遇到特殊情况时使用的。这时应迅速踩下制动踏板,随即分离离合器,达到在较短距离内停车。紧急制动时,切忌先踩下离合器踏板。
停车时要选择合适地点,确保交通安全。停车时,要先减小油门,降低拖拉机行驶速度,再踏下离合器踏板,将变速杆放置空档位置,也可轻踏制动器踏板以协助停车。车停稳后,应使发动机怠速运转,当发动机温度降到60οC以下再行熄火。若拖拉机负荷较轻,工作时间较短,发动机温度不高,则停车后即可熄火。
- 上一篇:拖拉机安全驾驶操作的基本要领倒车
- 下一篇:联合收割机作业安全注意事项

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