Maintenance Of Major Parts; Turbocharger - Doosan GV158TIC Operation & Maintenance Manual

5. Maintenance of Major Parts

5.1 Turbocharger

5.1.1. Main data and specification
Generator engine
Turbocharger model
Rated revolution (rpm)
Intake air quality (m
Compression efficiency (%)
Compression ratio
Weight
5.1.2. Operating principle
A
1. Impeller casing
2. Turbine housing
3. Bearing casing
4. Impeller
5. Turbine
3
/sec)
1
4
GV158TI
HOLSET HX35
80,000
0.28
77
1.8
14 kg
D
3
E
A. Air inlet
B. Gas outlet
C. Gas inlet
D. Oil supply
E. Oil return
- 125 -
GV180TI
80,000
0.35
75.0
2.0
14 kg
2
5
B
C
Maintenance of major parts
GV222TI
60,000
0.43
76
1.66
14 kg
EA05008I