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92
damaged, so the rotating part
bumps with the housing.
⑦
气门间隙过大,在气缸盖处有较
大响声
The valve clearance is too big;
there is bigger sound at the
cylinder head.
调整气门间隙。
Adjust the valve clearance.
⑧
增 压 器 喘 振
Turbocharger
surging
清除压气机通道、废气通道的积碳及污物,运行海拔过
高。
Remove the carbon deposit and dirt in the
passage air compressor and exhaust gas path;
operate at too high elevation
5.4 排气冒黑烟
Black Smoke from Exhaust Manifold
故
障
原
因
Cause
排
除
方
法
Solution
①
进气堵塞
Air intake blocked
检查空气滤清器、进气管路并清理。
Check and
clean the air filter and air intake pipe.
②
燃油质量差
Poor quality of fuel.
换用规定的燃油。
Replace the fuel as specified.
③
喷油器雾化不良
Poor atomization
of fuel injector
检查,修复或更换。
Check, repair or replace.
④
增压系统压力不足
Inadequate pressure of
Turbocharged system
检查并排除管路和连接处的泄漏。
Check and eliminate the leak of pipes and
connectors
⑤
增压器工作失常
Abnormal working of Turbocharger
检查更换总成。
Check and replace the assembly
⑥
中 冷 器 损 坏 、 漏 气
Intercooler
damaged and air leak
修补或更换。
Repair or replace
5.5 排气冒白烟、蓝烟
White smoke and Blue Smoke from Exhaust Manifold
故
障
原
因
Cause
排
除
方
法
Solution
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...