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消防车底盘保养的常识有哪些?-j9九游会网址


      消防车底盘的保养常常被人们认为可有可无,始终没有发动机和车身那么受人重视。消防车底盘的保养和发动机的保养有很多相同的地方,都需要认真、仔细、及时的检查。
 
  消防车底盘保养如下所示:
 
  1、减振器的保养
  减振器是消防车使用过程中易损配件,减振器工作好坏将直接影响汽车行驶的平稳性和其它机件的寿命,因此我们应使减振器经常处于良好的工作状态。
  用力按下保险杠,然后松开,如果汽车有2~3次跳跃,则说明减振器工作良好。当消防车缓慢行驶而紧急制动时,若汽车振动比较剧烈,说明减振器有问题。拆下减振器将其直立,并把下端连接环夹于台钳上,用力拉压减振杆数次,此时应有稳定的阻力,往上拉(复原)的阻力应大于向下压时的阻力,如阻力不稳定或无阻力,可能是减振器内部缺油或阀门零件损坏,应进行修复或更换零件。消防车在道路条件较差的路面上行驶10km后停车,用手摸减振器外壳,如果不够热,说明减振器内部无阻力,减振器不工作。此时,可加入适当的润滑油,再进行试验,若外壳发热,则为减振器内部缺油,应加足油;否则,说明减振器失效。
 
  2、轮胎保养最为关键
 
  高速行驶时如果出现轮胎爆裂就会出现大事故“大则翻车,小则倾侧,甩头”。即使侥幸没有出事,在路边停车换轮胎也绝对不是一件愉快的事情。所以,每次车辆出动前检查一下车辆轮胎的状况是很有必要的。检查轮胎的气压充气压力过高,轮胎容易爆裂而压力太低,汽车阻力增加油耗就会相应的增加特别是在炎热的夏天。所以,消防车说明书上表明前后轮规定的气压都是不一样的,为了方便用户每一辆车上司机座位门柱上的铭牌上面都标的清清楚楚的。当然,有的时候也需要根据情况适当调整。比如在路面湿滑,天气炎热时压力就要降低。经常检查消防车轮胎的胎面,如果在不好的路况上行驶,就要经常检查轮胎胎面花纹上有没有尖锐的钉子、石头和碎玻璃等等免得刺伤轮胎。轮胎面上的花纹磨损到一定的程度,就需要及时更换轮胎了。
 
  3、定期检查各个部位重要的总成机油
  变速器、制动系统动力转向系统等。一方面严格按照说明书上的时间规定,定期到维修服务站补充和更换。另一方面要自己检查并仔细观察,一般可以在消防车加油时检查一下,仔细查看每一个储液罐的机油是否在上、下两个刻度线之间。如果低于下刻度线这时候就要及时补充。如果是油面下降较快,说明系统有渗漏,需要立即检查出渗漏位置及时修补。添加的机油一定要和原有的机油是同样的规格号,以免不同的机油混在一起引起化学反应,反而使机油变质弄巧成拙。
 
  4、经常留意刹车片和离合器片的磨损
  刹车片和离合器片这两种摩擦片都是属于消耗品,使用一段时间就会损耗丧失原有功能。如果不及时更换就会容易造成车祸。一般消防车上都会有相应的警告指示灯,会及时的发出警告信号,提醒用户要更换了。在雨天和潮湿的天气摩擦片会吸收水分,摩擦力就会显著降低。这时候,消防车刚启动时就应先轻踩几下刹车和离合器,利用摩擦产生的热量将摩擦片上的水分蒸发掉,然后在出车。
 
  消防车底盘是否保养得当直接关系到消防车的操控性、安全性、经济性和舒适性等等各种因素的性能,丝毫不能掉以轻心。
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