Malfunctions During Operation; Table 19: Malfunctions During Operation - Lubricating Oil Pressure Too Low; Table 20: Malfunctions During Operation - Speed Reduces; Table 21: Malfunctions During Operation - Speed Increases - ABB HT575750 Operation Manual

Operation Manual / 4 Product description / A130-M.. - A145-M..
7 Eliminating malfunctions / 7.2 Malfunctions during operation
7.2

Malfunctions during operation

Lubricating oil pressure too low
WARNING
Danger of fire and explosion due to lubricating oil leaks
Leaking oil may ignite on hot surfaces. This can result in serious injuries to
personnel or fatal accidents.
Cordon off danger area.
u
Raise the alarm and, depending on the situation, stop the engine.
u
Seal the oil leak.
u
Soak up oil and dispose of in an environmentally compatible manner.
u
Wear safety gloves to protect against thermal hazards.
Possible causes
Engine Oil filter heavily contaminated
Oil pump in lubricating system defective Check/replace
Manometer displays incorrectly
Turbocharger Axial clearance of the rotor excessive
Table 19: 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 Contact ABB Turbocharging Service Sta-
Pipes Defects, such as leaks, in the exhaust gas
pipes or charge air ducts
Table 20: 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 21: Malfunctions during operation – Speed increases
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Remedy
Clean
Replace manometer
Contact ABB Turbocharging Service Sta-
tion
Remedy
Contact enginebuilder
Clean (see chapter
work →40)
tion
Repair
Remedy
Clean (see chapter
work →40) or contact an ABB Turbochar-
ging Service Station
HZTL4031_EN
Periodic maintenance
Periodic maintenance
Revision F August 2017