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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 HT596341 Operation Manual

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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
Turbochar-
Axial clearance of the rotor excessive
ger
Engine
Oil filter heavily contaminated
Oil pump in lubricating system defect-
ive
Manometer displays incorrectly
Table 19: Malfunctions during operation – Lubricating oil pressure too low
Speed reduces
Possible causes
Turbochar-
Turbine and/or nozzle ring severely con-
ger
taminated
Rotor components or bearing damaged Contact ABB Turbocharging Service
Engine
Defects on the connected cylinders in
pulse charging
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
Turbochar-
Light to medium contamination of the
ger
turbine and/or nozzle ring (with 4-
stroke application)
Table 21: Malfunctions during operation – Speed increases
© Copyright 2020 ABB. All rights reserved.
Remedy
Contact an ABB Turbocharging
Service Station
Clean
Check/replace
Replace manometer
Remedy
Clean (see chapter
ance work
→43)
Station
Contact enginebuilder
Repair
Remedy
Clean (see chapter
ance work
→43) or contact an ABB Tur-
bocharging Service Station
HZTL4031_EN
Periodic mainten-
Periodic mainten-
Rev.K
February 2020

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A135-m65

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