Malfunctions During Operation; Table 16: Malfunctions During Operation - Lubricating Oil Pressure Too Low; Table 17: Malfunctions During Operation - Speed Reduces; Table 18: Malfunctions During Operation - Speed Increases - ABB HT600042 Operation Manual

Operation Manual / 4 Product description / TPS44-H.. - TPS52-H..
8 Eliminating malfunctions / 8.2 Malfunctions during operation
8.2

Malfunctions during operation

Lubricating oil pressure too low
Possible causes
Turbocharger Axial clearance of the rotor excessive
Engine Oil filter heavily contaminated
Oil pump in lubricating system defective Check/replace
Manometer displays incorrectly
Table 16: Malfunctions during operation – Lubricating oil pressure too low
Speed reduces
Possible causes
Turbocharger Turbine and/or nozzle ring severely con-
taminated
Rotor components or bearing damaged Contact ABB Turbocharging Service Sta-
Engine Defects on the connected cylinders in
pulse charging
Pipes Defects, such as leaks, in the exhaust gas
pipes or charge air ducts
Table 17: Malfunctions during operation – Speed reduces
Speed increases
Possible causes
Turbocharger Light to medium contamination of the
turbine and/or nozzle ring (with 4-stroke
application)
Table 18: Malfunctions during operation – Speed increases
© Copyright 2017 ABB. All rights reserved.
Remedy
Contact ABB Turbocharging Service Sta-
tion
Clean
Replace manometer
Remedy
Clean (see chapter
work →30)
tion
Contact enginebuilder
Repair
Remedy
Clean (see chapter
work →30) or contact an ABB Turbochar-
ging Service Station
HZTL4037_EN
Periodic maintenance
Periodic maintenance
Revision E July 2017