ABB HT588902 - 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

Operation Manual / 4 Product description / TPS44-H.. - TPS52-H..
8 Eliminating malfunctions / 8.2 Malfunctions during operation
© Copyright 2017 ABB. All rights reserved. HZTL4037_EN Revision E July 2017
8.2 Malfunctions during operation
Lubricating oil pressure too low
Possible causes Remedy
Turbocharger Axial clearance of the rotor excessive Contact ABB Turbocharging Service Sta-
tion
Engine Oil filter heavily contaminated Clean
Oil pump in lubricating system defective Check/replace
Manometer displays incorrectly Replace manometer
Table16: Malfunctions during operation – Lubricating oil pressure too low
Speed reduces
Possible causes Remedy
Turbocharger Turbine and/or nozzle ring severely con-
taminated
Clean (see chapter Periodic maintenance
work →30)
Rotor components or bearing damaged Contact ABB Turbocharging Service Sta-
tion
Engine Defects on the connected cylinders in
pulse charging
Contact enginebuilder
Pipes Defects, such as leaks, in the exhaust gas
pipes or charge air ducts
Repair
Table17: Malfunctions during operation – Speed reduces
Speed increases
Possible causes Remedy
Turbocharger Light to medium contamination of the
turbine and/or nozzle ring (with 4-stroke
application)
Clean (see chapter Periodic maintenance
work →30) or contact an ABB Turbochar-
ging Service Station
Table18: Malfunctions during operation – Speed increases
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