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消防车冬季保养注意事项有哪些?-j9九游会网址


      冬季是火灾多发季节出警频率较高又是消防车辆启动故障较多的季节,为了保证接警出动迅速无误,驾驶员和装备技师要在冬季加强对消防车辆的自行维护保养。关键在于发动机保养、轮胎保养、液态电瓶的检查与保养、冷却系统的换季保养、空调系统保养、外观养护、油品养护、电器养护、汽车底盘、汽车坐垫10个环节的保养事项。下面就一起跟随小编来学习下冬季消防车保养注意事项吧。
 
  冬季消防车保养注意事项如下所示:
 
  一、发动机保养
 
  启动是发动机经过一夜的静置,各磨擦面上的润滑油基本消失失去油膜保护;低温使润滑油的粘度大大增加,附着力和流动性变差。启动发动机的运动阻力大大增加,启动时超过60%的功率都用于克服运动阻力。冬季起步一定要十分柔和缓慢,这样做一方面是为了让发动机在未达到正常运转温度时负载尽量小。
  二、轮胎保养
 
  不要随意使用不同花纹不同规格的轮胎,以免在路面上因摩擦力不同而造成打滑和失控。另外,使用单导向轮胎时,切忌将花纹装反,否则会损失其抓地性能。定期检查剔除胎面和花纹沟的钉刺、石子等硬质杂质,以免继续使用损伤胎体。轮胎存放及装卸过程中应避免与油污等化学品接触,以防止轮胎橡胶的加速老化。
 
  三、液态电瓶保养
 
  要检查电瓶外壳有无渗漏电解液的现象。如果有渗漏,电瓶就应该更换;如果没有渗漏,应该用热水清洗电瓶表面和电瓶极柱上的氧化物,但要注意不要让水从通气孔进入电瓶内部。待水干以后,最好用砂纸打磨干净极柱和接头上的接触面,拧紧接头上的固定螺丝,以保证启动时能够有足够强度的电流通过。
 
  四、冷却系统保养
 
  注意防冻液的液面高度一般在距离水箱加水口10毫米左右为宜,或者按照补水罐上的标准刻度补加同类的防冻液,千万不要将防冻液或水加得太满,要给水箱留有充分的热膨胀空间。
 
  五、空调系统保养
 
  放置了一夏天的空调暖风,最好先试一下热风,包括风机运转有无异响、风管是否通畅。有时遇到的问题是暖风水管中的冷却液长期不流动,凝结堵塞了循环管路。
 
  六、汽车底盘
 
  冬天雨雪、雪后道路撒盐水,消防车底盘总是直接和雨、雪打交道,很容易生锈。飞驰的轮胎会把含盐分很高的雪水甩到汽车底盘上,使汽车的底盘易生锈。所以,在入冬前应给底盘做个防锈护理,雪天出行就不怕损毁底盘了。
  七、汽车坐垫
 
  冬季气温越来越低了,不少消防车车主忍受不了牛皮的冰凉,急着给坐驾换新装了。俗话说,"好马配好鞍",冬季汽车选用保暖型的汽车坐垫是必不可少的(特别是带靠背的),而羊剪绒汽车坐垫正是可选购产品之一。
 
  八、外观养护
 
冬季清洗消防车要用温水,不能用冷水直接冲洗。尤其是发动机升温后,冷水清洗会急速降温,造成引擎盖表面油漆皴裂。冲洗后应及时打开车门擦干水迹,防止门缝处残水结冰,冻住车门,车窗被冻住时不要强行开关。雪天后应及时洗车,清除带有酸性、腐蚀性物质的雪水,避免车漆受损,过早出现锈迹。
 
  九、油品养护
 
  冬季应更换专用机油。防止普通润滑油黏度因气温下降而流动性变差,导致消防车冷启动困难,严重的会造成烧瓦抱轴等事故。防冻液的冰点应低于该地区最低温度10℃左右,至少每两年换一次。在防冻液中曾加过水的,防冻液必须更换。
  冬季来临除发动机要保温外还应防止车门冻结,以免使用时打不开。因此,你可以事先向车门锁孔内注入少许润滑油,并在车门四周的密封。
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