226B
系列柴油机维修保养手册
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Maintenance Manual for
226B
series Diesel Engine
R
序号
No
可 能 的 原 因
Cause
排 除 方 法
Remedy
1
柴油机长时间超负荷运转
Long time overloaded running
减小负荷
Reduce the load
2
燃烧不良
Poor combustion
检查喷油情况及供油提前角
Check the fuel injection and fuel supply
advance angle.
3
机油温度过高
Overheated engine oil
1）机油不足或过多1)
Insufficient or excessive engine oil
检查游标尺，按规定增减机油量
Check the oil dipstick. Increase or reduce the
engine oil according to requirement.
2）机油冷却器内部堵塞2)
Oil cooler jammed
清洗或更换机油冷却器
Clean or change the oil cooler.
4
冷却水温度过高Overheated coolant
1)冷却水量不足
Insufficient coolant
更换机油泵
Change engine oil pump
2）水泵排量不足
Low delivery capacity of the water pump
检查水泵叶轮间隙，必要时换
Check the impeller clearance. Change it, if
necessary.
3）风扇转速不足
Low fan speed
调整风扇皮带张紧度
Adjust the tension of fan belt.
4）冷却系统中水垢过多
Excessive scale in cooling system
清除水垢
Clean the scale
5）散热器散热效果差5)
Low radiating capability of the radiator
去除散热片上污垢，改善水箱通风条件
Clean the dirt on the cooling fins and
improve the ventilation of the radiator.
6）节温器失灵不开启
Thermostat failure
查明后更换
Change it after finding out the cause
9.5柴油机过热
Overheating
