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消防车滤清器的维护保养-j9九游会网址


      消防车的维护保养是消防部队的一项长期工作,今天就跟随小编一起来看看车辆发动机保养当中使用到的滤清器的原理及更换安装的注意事项都有哪些?
  第一、滤清器的相关参数规格
 
  每台车的发动机使用的滤清器的规格都是不相同的,市场上可以选择的滤清器品牌也多种多样,而各种品牌滤清器的销售价格也差别很大,那么我们如何来区分我们购买到的滤清器的好坏呢?
 
  衡量滤清器的好坏的两个基本参数:
 
  1)滤清器过滤效率
 
  滤清器的过滤效率是指衡量滤清器保持效率的方法,衡量方法通常就是滤清器过滤的颗粒(即原液)与通过滤清器的滤液中颗粒的百分比例。
 
  2)过滤精度等级
 
  在市面上买到的正规品牌的滤清器的过滤精度等级都是微米级的,不同的微米过滤等级表示滤清器去除污染物的能力。
  第二、拆卸滤清器时需要注意的事项如下所示:
 
  1)清洁
 
  首先要对准备拆卸的滤清器(燃油滤清器、机油滤清器、冷却液滤清器)的滤清器座周围进行彻底的清洁。在清洁时请注意不要使用压缩空气进行吹扫,吹起的大量灰尘会沾染在新滤清器及其底座上,造成滤清器的密封不严、泄漏等问题。
 
  2)拆卸
 
  在清理完滤清器周围的环境后,便可以使用滤芯扳手对滤清器进行拆卸工作。
 
  3)清理
  将拆下滤清器后的滤清器座进行清理,不管是哪一种滤清器,绝大部分与其底座都是通过滤清器本身自带的橡胶o型圈进行密封。所以在安装新滤清器之前,对滤清器底座的接触面进行清理,是至关重要的工作。
 
  4)预注
 
  如果我们更换的是燃油滤清器或机油滤清器,在安装之前还需要对滤清器进行预注工作。要使用洁净的燃油或机油注入滤清器当中,再对滤清器进行安装。可以保证发动机在更换新的滤清器及润滑油等保养工作之后,再次启动发动机时,尽快的建立起燃油压力及机油压力。
 
  在预注完成后,再使用润滑油(无特殊标号要求)对新滤清器上的橡胶o型圈进行涂抹。这样可以保证滤清器的密封圈和滤清器底座更紧密的接合,防止今后的使用中泄漏。
 
  第三、安装滤清器时需要注意的事项如下所示:
  市面上我们能购买到的滤清器,不管是燃油滤清器或机油滤清器,内部结构基本都是这样的结构,我们称之为"文氏管"式。当流动的燃油或机油流过滤清器内部的滤纸从滤清器出口流出时,滤芯内部的漏斗结构会对滤清器本身产生一个"自吸力"的效果,这样安装在滤清器座上的滤清器在实际工作当中,其实是会牢牢的"吸"在滤清器座上的。
 
  在安装滤清器时要注意,一定要参照印刷在滤清器表面上的安装要求(例如:某品牌滤清器的上紧要求为:先使用手部力量上紧后再使用滤芯扳手加紧1又3/4圈)。如果只是一味的对滤清器进行上紧,随着车辆的使用,滤芯本身与滤清器座是会越来越紧下一次保养拆卸的时候就会遇到麻烦。
  购买和使用正确的滤清器是对消防车辆运行的基本保障。更换安装滤清器时,更需要一项一项细心的操作不可以马虎。本身质量差的滤芯不好的清洁,错误的安装方式都会在将来的车辆使用中带来非常严重的后果。提醒大家一定要选择正规的渠道,正规的商家购买正规品牌的滤清器,对消防车的维护保养也是一项基本保障。
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