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 TPS48-H33 Operation Manual

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

Malfunctions during operation

Lubricating oil pressure too low
Possible causes
Engine Oil filter heavily contaminated
Oil pump in lubricating system defective
Manometer displays incorrectly
Turbocharger Axial clearance of the rotor excessive
Table 16: Malfunctions during operation – Lubricating oil pressure too low
Speed reduces
Possible causes
Engine Defect on the connected cylinders in
pulse charging
Turbocharger Turbine and/or nozzle ring severely con-
taminated
Rotor components or bearing damaged
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 2016 ABB. All rights reserved.
Remedy
Clean
Check/replace
Replace manometer
Contact ABB Turbocharging Service Station
Remedy
Contact enginebuilder
Clean (see chapter Periodic maintenance
work [➙ 39])
Contact ABB Turbocharging Service Station
Repair
Remedy
Clean (see chapter Periodic maintenance
work [➙ 39]) or contact an ABB Turbocharg-
ing Service Station
HZTL4037_EN
Page 52 / 99
Revision A August 2016