226B
系列柴油机维修保养手册
-00-
Maintenance Manual for
226B
series Diesel Engine
R
9.3柴油机功率不足
Insufficient power
序号
No
可 能 的 原 因
Cause
排 除 方 法
Remedy
1
燃油系统故障Fuel system failure
1）燃油系统阻塞或进入空气1) Fuel system
jammed or air in the system
清洗或更换柴油滤清器、排除空气Clean or
change the fuel filter. Exhaust the air.
2) 喷油器雾化不良，喷油压力不够2) Bad
atomization of injectors, low injection pressure
检查校验喷油器，必要时予以更换Check
the fuel injectors. Change them if necessary.
3）喷油泵泵故障，供油不足或不均匀3)
Injection pump failure, insufficient fuel supply
or uneven delivery
检修或更换Check or change it.
4）供油提前角不符合要求4) Incorrect fuel
supply advance angle
检查调整供油提前角Check and adjust the
fuel supply advance angle
5）燃油质量低劣，或油中有水5) 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.
2
气缸压缩压力不足Low compression pressure
of cylinders
1）活塞环、气缸套磨损过大1) Excessively-
worn piston rings or cylinder liners
检 查 更 换 活 塞 环 、 必 要 时 更 换 缸 套 、
活塞Check and change the piston rings. If
necessary, change the cylinder liners and
pistons.
2）气门漏气2) Valve leakage
检查气门间隙及气门的密封情况，研磨
气门Check the valve clearance and valve
sealing. Grind the valves.
3）气缸垫漏气3) Cylinder gasket Leakage
检查气缸垫是否漏气并排除Check whether
the cylinder gaskets leak and remedy them.
3
空气滤清器堵塞Air filter jammed
清理或更换滤芯Clean or change the filter
element
4
排气通道和消声器阻塞Exhaust passage and
muffler jammed
检查清理排气通道和消声器Check and clean
the exhaust passage and muffler.
5
排气管不畅通Exhaust pipe jammed
查找原因并排除Find out the cause and solve
the problem.
