226B
系列柴油机维修保养手册
--
Maintenance Manual for
226B
series Diesel Engine
R
序号
No
可 能 的 原 因
Cause
排 除 方 法
Remedy
1
燃油系统中的故障
Fuel system failure
1）燃油箱开关未打开或无油
1) Fuel tank switch is off or there is no fuel in fuel tank.
打开开关或加足燃油
Switch on it or refuel sufficiently.
2）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.
3）输油泵不供油
Feed pump failure
检查输油泵，不合格的予以更换
Check the feed pump and change the unqualified.
4）喷油器雾化不良
Bad fuel atomization
调整或检修喷油器
Check and adjust the fuel injectors.
5）供油提前角不对5) Incorrect fuel supply advance
angle
检查调整供油提前角
Check and adjust the fuel supply advance angle
6）燃油管或燃油滤清器堵塞 6) Fuel pipes or fuel filter
jammed
检查清理Check and clean them
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
检查气门间隙及气门的密封情况，研磨气门
Check and change the piston rings. If necessary, change
the cylinder liners and pistons
2）气门漏气
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
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
起动系统的故障
Starting system faults
1）蓄电池亏电
Low battery voltage
对蓄电池充电和检修
Check and recharge the battery
2）电器线路各接点接触不良
Poor contact of the electrical circuit
检修线路
Check and repair the electrical circuit.
3）起动机不转或无力
Starter stall or low power output
检修起动电机
Check and repair the starting motor.
4)起动机齿轮不能与飞轮齿圈正确啮合4) Starter gear
is unable to engage correctly with the flywheel ring gear.
将飞轮齿圈转一角度，若还不能起动应检查起动机
Turn the flywheel ring gear for a certain angle. If it still
cannot engage correctly, then check and repair the starter.
9.1柴油机不能起动或起动困难
No start or hard starting
