Operation Manual / 4 Product description / A100-L
7 Troubleshooting / 7.2 Malfunctions during operation
© Copyright 2018 ABB. All rights reserved. HZTL4034_EN Revision N November 2018
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
Turbocharger Axial clearance of the rotor excessive Contact an ABB Turbocharging
Service Station
Engine Oil filter heavily contaminated Clean
Oil pump in lubricating system defective Check/replace
Manometer displays incorrectly Replace manometer
Table18: Malfunctions during operation – Lubricating oil pressure too low
Drop in speed
Possible causes Remedy
Turbocharger Heavy contamination of the turbine Clean
Damaged rotor components or bearing Contact ABB Turbocharging Service Sta-
tion
Pipes Defects, such as leaks, in the exhaust gas
pipes or charge air ducts
Repair
Table19: Malfunctions during operation – Drop in speed
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