Operation Manual / 4 Product description / A130-M.. - A145-M..
7 Eliminating malfunctions / 7.2 Malfunctions during operation
© Copyright 2017 ABB. All rights reserved.
HZTL4031_EN
Revision F
August 2017
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.
u
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.
Wear safety gloves to protect against thermal hazards.
Possible causes
Remedy
Engine
Oil filter heavily contaminated
Clean
Oil pump in lubricating system defective Check/replace
Manometer displays incorrectly
Replace manometer
Turbocharger Axial clearance of the rotor excessive
Contact ABB Turbocharging Service Sta-
tion
Table 19: Malfunctions during operation – Lubricating oil pressure too low
Speed reduces
Possible causes
Remedy
Engine
Defect on the connected cylinders in
pulse charging
Contact enginebuilder
Turbocharger Turbine and/or nozzle ring severely con-
taminated
Clean (see chapter
)
Rotor components or bearing damaged Contact ABB Turbocharging Service Sta-
tion
Pipes
Defects, such as leaks, in the exhaust gas
pipes or charge air ducts
Repair
Table 20: 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
) or contact an ABB Turbochar-
ging Service Station
Table 21: Malfunctions during operation – Speed increases
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