Agrison TX930LX - Page 94

89
Issues
On-Engine Fault Diagnosis Table
Oil seal at turbine side
leaks.
Oil seal at gas compressor side leaks.
There is periodic noise in turbocharger.
Turbocharger has too loud noise in working.
Blue smoke rises from diesel engine.
Diesel engine has excessive
Diesel engine is
Black smoke rises from diesel engine.
Possible Causes Elimination Approaches
√ √ √ √ √ Air filter is too dirty.
Clean or replace the filter
element.
√
Air leaks from pipeline between
air filter and gas compressor.
Tighten the fasteners or
replace the sealing parts.
√ √ √ √ √
Air leaks pipe between gas
compressor and inlet duct of
diesel engine.
Replace the sealing parts
or tighten the fasteners.
√
√
√
√
Intercooler is too dirty.
Clean the intercooler.
√ √ √ √ √
Air leaks from joint face
between diesel engine’s inlet
manifold and cylinder head.
Replace the gasket or
tighten the fasteners