Yuchai YC6A Series, Operation & Maintenance Manual

Page: 86 / 99

86
station. The external appearance is clean and transparent, with no impurity, no thickness and
no irritating smell. On the package there shall be detailed name of production unit, products
specification and clear instruction and explain.
n
使用劣质的防冻液不但不能防冻防沸，反而会加速冷却系统的腐蚀。
Use poor quality antifreeze can not to prevent frostbite and boil, on the contrary, poor quality
antifreeze will increase the corrosion of cooling system.
(5)
空气滤清器的保养：
Maintenance of air filter
n
空滤过滤原理：
Filtering principle of air filter
一级过滤：导风罩（使空气形成涡流，在重力和离心力作用下使灰尘沉淀到底部由排尘袋排出）
First class filtering: wind guide cover (forming air bow wave and deposit the dust to bottom
and exhaust it out under the effects of gravity and mental efforts )
二级过滤：主滤芯（起主要过滤作用，过滤效果达
95%
以上）
Second class filtering: main filter element (playing the leading role in filtering and the filtering
impact will reach above 95%)
三级过滤：安全滤芯（起辅助过滤作用，同时防止异物进入）
Third class filtering: security filter element (assisting filtering and preventing impurity enter).n
保养：
Maintenance
空滤器壳体：清理滤清器内腔、导风罩、排尘袋中的灰尘，注意不能认为导风罩没有用途而扔
掉。
Air filter housing: clean filter inside, wind guide cover and the dust in dust exhausting pocket.
Please notice that do not believe wind guide cover is useless and throw it out.
主滤芯：用毛刷刷除滤芯表面尘土，接着用压缩空气（压力
0.4-0.6MPa)
从滤芯里面往外吹。
如滤芯有破损必须马上更换。
Main filter element: use brush to clean the dust on the surface of filter element, and then use
compressed air (pressure 0.4-0.6MPa) to blow from inside of filter element.
安全滤芯：用手拍打清洁，避免用空气吹。
Security filter element: use hand to flap to clean it and avoid blowing with air,
n
安装：检查密封圈是否破损缺失，拧紧时先旋转一下滤芯使其到位，一定要注意安装必须
密封，不能造成空气短路。
Installation: check whether seal ring is damaged, when tightening it, rotate the filter element
in place. Pay attention that it must be sealed when installation and can not lead air short
circuit.
n
注意检查排尘袋口必须向下。
Pay attention to check whether the mouth of dust exhausting packet is downward.