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冬季寒冷天气下该如何保养农机?

2021-01-12 09:10:24 来源:农机网整理发布 阅读量:31028 评论

导读:入冬前要对农机的各个部位进行除垢、清洗、调整、润滑,气门间隙、喷油压力及喷油提前角等技术指标要注意调整到规定的范围,对离合器、制动器和操纵机构进行全面调整,确保拖拉机处于良好的状态,为过冬打下安全的基础。

  【农机网 地方农机】 一到冬季,农作物进入“休眠”状态,农机也进入了闲置状态,一些农机手对于农机的保养不够重视,认为随便保养保养就可以了。但其实不是的,农机的保养跟不上,会给农户造成不必要的损失。那么寒冷的冬季该如何保养和防护农机以便来年更好地投入农业生产?
 
  入冬前要对农机的各个部位进行除垢、清洗、调整、润滑,气门间隙、喷油压力及喷油提前角等技术指标要注意调整到规定的范围,对离合器、制动器和操纵机构进行全面调整,确保拖拉机处于良好的状态,为过冬打下安全的基础。
 

  除此之外还应注意以下几点:
 
  一、加强机体保温
 
  1、拖拉机和其他农业机械应尽量停放在车库内,防止被雨雪侵蚀和冰冻。
 
  2、检查车辆水箱,查看防冻液抗低温型号,不符合低温要求的及时更换,防冻液不足的及时补充,未使用防冻液的将水箱放空。
 
  二、防止冻裂机件
 
  1、注意不能满负荷大油门作业,不能突然熄火和立即放水,防止机体因骤冷而开裂。放水时要打开水箱盖和所有的放水开关,务必放净。
 
  2、适当增大蓄电池电解液的比重(达到1.28—1.31),用补充充电的方法让蓄电池保持电量充足的状态,使蓄电池不致因低温而过多丧失电容量和冻裂蓄电池壳。
 
  三、及时更换冬季用油
 
  1、如需要使用柴油农机,可以选用凝固点低、流动性好的-10号、-20号轻柴油。
 
  2、对于润滑油,应在清洗润滑系的基础上,换用黏度较小冬用润滑油,或者使用稠化机油,改善发动机的低温启动性能。
 
  四、注意驾驶陋习
 
  不注重驾驶方法,违规操作。如一些农机手在熄火前乱轰油门, 以为能在气缸内存些柴油,便于下次易启动。其实,这样做只会造成柴油在气缸内不能完全燃烧而造成积碳,并可能顺着缸壁流入油底壳稀释机油,不但对下次启动丝毫无益,而且还影响机油的润滑性能,得不偿失。还有的不及时添加柴油,冬季熄火前应向拖拉机油箱内加满柴油。否则,空箱内空气中的水蒸汽遇箱壁冷却后液化凝结成水珠,混入柴油内,导致发动机无法正常工作。
 
  五、设施大棚防止大雪压塌
 
  1、对大棚进行加固。沿大(中)棚棚架纵向中轴线每隔2-3米用一根毛竹等支撑物对棚顶进行支撑加固,提高大棚棚架的抗压性,防止雪压倒棚。
 
  3、及时清除棚顶积雪。下雪时应及时上好草苫或保温被,草苫或保温被上面用防寒膜覆盖,把缓冲室门关紧关严,以防冷风进入。
 
  4、在棚顶积雪无法清除时(特别是连栋大棚),采用破膜保架的特殊应急措施,放弃棚内种植作物,全力保护棚架,尽量降低损失。棚架上有外遮荫设备的,要收起收紧外遮荫上的遮阳网,防止雪压毁坏。
 
  5、对温室内种植的瓜类、果菜类及喜光、喜温性强的蔬菜有条件的农户可采取棚内安装补光灯、热风炉或电暖气等,以增加光照提高温度。
 
  本文由农机网(www.nongjx.com)整理发布,部分资料来源:绍兴市农业农村局,如有侵权或异议请联系我们。
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