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226B
系列柴油机维修保养手册
Maintenance Manual for
226B
series Diesel Engine
R
9.2柴油机运转不稳定
Instable Runnin
序号
No
可 能 的 原 因
Cause
排 除 方 法
Remedy
1
燃油系统内有空气
Air in fuel system
检查管路接头是否松动,排除油路中的
空气
Check whether the joints of pipelines are
loose and exhaust the air in fuel line.
2
燃油系统阻塞
Fuel system jammed
清洗或更换柴油滤清器
Clean or change the fuel filter.
3
喷油泵各缸供油不均匀
Uneven fuel delivery for each cylinder
检修喷油泵并在油泵试验台上调整使各
缸供油量一致
Check the fuel injection pump and adjust
the pump on the test-rig to uniform the fuel
delivery for each cylinder.
4
个别喷油器工作不好
Some injectors work poorly.
检确定状态不好的喷油器,清洗或更换
Pick out the poor injectors. Clean or change
them.
5
调速器工作不稳
Governor works unsteadily.
检查调速器排除故障
Check and repair the governor.
6
燃油质量不好,或油中有水
Poor fuel quality or water in fuel
检查燃油,必要时予以更换
Check the fuel. Change it if necessary.