Fiat Kobelco EX355 Tier2, Техническое руководство

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W5-9-10 EX355
TROUBLESHOOTING
TURBOCHARGER
Condition Possible Cause Correction
Engine has less than Restricted air cleaner Clean or replace
normal power
Restricted intake pipe and hose Clean or replace
Loose connection of the turbocharger Repair
inlet and outlet
Restricted exhaust and silencers Repair
Restricted air breather Clean or replace
Compressor wheel damage Replace
Turbine wheel damage Replace
Carbon build-up on the turbine wheel Replace
Dragging or seized rotating assembly Replace
Blue or black smoke Restricted air cleaner Clean or replace
Leakage from turbocharger oil seal Replace
Restricted turbocharger oil drain pipe Repair or replace
Restricted air breather Clean
Compressor wheel damage Replace
Turbine wheel damage Replace
Restricted center housing oil drain Clean or replace
passage
Excessive oil Restricted air breather Clean
consumption
Leakage from turbocharger oil seal Replace
Compressor wheel damage Replace
Turbine wheel damage Replace
Excessive oil pressure Repair
Restricted center housing oil drain Clean or replace
passage
Excessive turbocharger Restricted intake and exhaust system Repair
noise joints
Damaged intake and exhaust system Repair
gaskets
Rough rotation of turbocharger parts Replace
Compressor wheel rubbing against Replace
housing
Damaged compressor wheel
Replace
Turbine wheel rubbing against housing Replace
Damaged turbine wheel Replace
Carbon build-up on the turbine wheel Clean or replace
Low engine oil level Correct
Contaminated oil Replace oil
Restricted turbocharger oil feed pipe Repair or replace
Carbon build-up on the turbine housing Clean
Dirty compressor housing Clean
Worn turbine shaft bearings Replace
Excessive rotating part Contaminated engine oil Change
wear
Wrong grade or type of engine oil Change
Restricted turbocharger oil feed pipe Clean or replace
Defective turbocharger oil seal Replace
Restricted center housing oil drain passage Clean or replace
Turbine shaft sludge and/or coking Replace
Inadequate oil supply Correct