WD615欧Ⅱ系列柴油机维修保养手册
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Maintenance Manual for WD615 Series EuroⅡDiesel Engine
9.9既有压力过低
Lub-oil pressure is too low
1.油底壳油面过低或缺油
Oil level in oil sump is too low
检查油面及有否漏油处，添加机油
Check oil leakage, add oil
2.主油道调压阀有故障
Faults in pressure regulating valve of main oil
passage
检查阀门，清洗并修复
Check valve, clean and repair
3.集滤器、机油管路、接头垫片等，有否堵塞
或破裂
Strainer, oil pipes, connector gasket
choked or broken
检查，清洗压气机流道，排除污塞，清除废
气通道积炭
Check strainer and connector , check if there is
any sponge in oil passage, repair
4.机油牌号不符合规定
Lub-oil doesn't conform to specifica-
tions
按规定更换机油，选用合适牌号机油
Renew the lub-oil according to requirements
5.机油泵进油管漏
Intake pipe of oil pump leaked
检查油管、接头，修复或更换
Check the oil pipe and connector, repair or
replace
6.冷却系统水温过高，机油温度过高
Water temperature in cooling system and oil
temperature are too high
检查冷却系统工作，纠正之
Check cooling system, and correct it
7.机油滤清器阻力过大
Excessive resistance of oil filter
更换新滤芯
Renew the filter element
8.机油冷却器堵塞
Oil cooler choked
检查并清理
Check and clean
9.主油道堵塞
Main oil passage choked
检查并清理
Check and clean
10.轴瓦间隙过大,或轴瓦损坏
The clearance of bearing is too large or bearing
damaged
检查并更换
Check and replace
11.部件磨损过大,要大修11. Excessive wear of
parts, need to over-haul
检查发动机工作实数,大修
Check the working time of the engine, over haul
