6.4.
Turbocharger
6.1.1.
Main data and specifications
1) Main data and specifications
2) Operating principle
The turbocharger is a system designed to make use of the engine exhaust gas energy to
charge high-density air into the cylinders, thereby to increase the engine output.
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MAINTENANCE OF MAJOR COMPONENTS
Specification DE12TI DE12TIA, DE12TIS
Turbocharger Model T45 GT42
Air pressure
at compressor Approx. 1.2 kg/cm
2
Approx. 1.3 kg/cm
2
At outlet
maximum
Air suction volume
Approx. 22.0 Approx. 22.5
output m
3
/min m
3
/min
Speed of turbine
Approx. 96,000 rpm Approx. 94,000 rpm
revolution
Maximum allowable 113,000 rpm 109,000 rpm
Max. allowable
temperature of exhaust 750 C 750 C
gas at turbine inlet
Lubricating system External oil supply External oil supply
Weight 14 kg 14 kg
Turbine wheel and
shaft assembly
Oil inlet
Fresh air inlet
Compressed air flow
Exhaust gas discharge
Exhaust pipe
Compressor wheel
EAOM8001
Compressor
housing
Oil Outlet
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