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89
5.2 发动机功率不足
Insufficient power of Engine
故
障
原
因
Cause
排
除
方
法
Solution
①
进气堵塞
Air intake is clogged.
检查空气滤清器、进气管,清理或更换空气滤清器滤
芯。
Check air cleaner and intake pipe. Clean or replace
air cleaner element
②
排气背压过高
Too high exhaust back pressure.
检查气门定时,必要时调整;清理排气管。
Check valve timing and adjust it as necessary; clean
the exhaust pipe.
③
增压系统压力不足
I
nsufficient pressure of
Turbocharged system.
检查并排除管路和连接处的泄漏。
Check and clear the leaking from pipeline and
connection position
④
增压器工作失常:压气机、涡轮
气流通道污染堵塞或损坏;
The turbocharger works
abnormally, the compressor &
turbine gas flow duct is clogged
with contaminants or damaged;
清洗或更换压气机壳、涡轮壳。
Clean or replace air compressor & turbine housings.
轴承失效;
Bearing failure
更换。
Replace.
涡轮、压气机背面间隙处有积碳、
油泥
There is any carbon deposit or
oily dirt on the clearance of
turbine and back of air
compressor.
清洗。
Clean.
⑤
中冷器损坏、漏气
Intercooler is damaged or has any
air leaks.
修补或更换。
Repair or replace.
⑥
燃油管路漏油或堵塞
Fuel pipeline is oil leaking or
clogged.
检查油管及接头处的密封情况、燃油滤清器的堵塞情
况,更换旋装式滤忒。检查喷油控密封。
Check the fuel pipe and joints for hermetization, the
Summary of Contents for YC6A Series
Page 11: ...4 YC6J...
Page 12: ...Fig 4 Assembly Layout for YC6J Diesel Engine may differ from the practical configuration...
Page 13: ...13 YC6A A8700 YC6A series construction engine A8700 external characteristic curve...
Page 15: ...15 YC6B B7700 YC6B series construction Turbocharged engine B7700 external characteristic curve...
Page 16: ...16 YC6J J8000 YC6J series construction engine J8000 external characteristic curve...
Page 64: ...64 2 31 Thethermostator is of wax type and installed in the water outlet of the pipe It is not...
Page 98: ...98 the engine to check repair and replace damaged parts...