Operation Manual / 4 Product description / A100-L
7 Troubleshooting / 7.2 Malfunctions during operation
© Copyright 2021 ABB. All rights reserved.
HZTL4034_EN
Rev.S
May 2021
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
Turbochar-
ger
Axial clearance of the rotor excessive
Contact an ABB Turbocharging
Service Station
Engine
Oil filter heavily contaminated
Clean
Oil pump in lubricating system defect-
ive
Check/replace
Manometer displays incorrectly
Replace manometer
Table 18: Malfunctions during operation – Lubricating oil pressure too low
Drop in speed
Possible causes
Remedy
Turbochar-
ger
Heavy contamination of the turbine
Clean
Damaged rotor components or bearing Contact ABB Turbocharging Service
Station
Pipes
Defects, such as leaks, in the exhaust
gas pipes or charge air ducts
Repair
Table 19: Malfunctions during operation – Drop in speed
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