ABB A170-M Series User Manual

Operation Manual / A170-M.. - A175-M..
8 Troubleshooting / 8.2 Malfunctions during operation
© Copyright 2022 ABB. All rights reserved. HZTL4033_EN Rev.K January 2022
8.2 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23: Malfunctions during operation – Lubricating oil pressure too low
Drop in speed
Possible causes Remedy
Turbochar-
ger
Heavy contamination of the turbine
and/or nozzle ring
Clean (see chapter Periodic mainten-
ance →53)
Damaged rotor components or bearing Contact ABB Turbocharging Service
Station
Engine Defect on the connected cylinders in
pulse charging
Contact enginebuilder
Pipes Defects, such as leaks, in the exhaust
gas pipes or charge air ducts
Repair
Table24: Malfunctions during operation – Drop in speed
Increase in speed
Possible causes Remedy
Turbochar-
ger
Light to medium contamination of the
turbine and/or nozzle ring (with 4-
stroke application)
Clean (see chapter Periodic mainten-
ance →53) or contact an ABB Tur-
bocharging Service Station
Table25: Malfunctions during operation – Speed increases
Page 71 / 146

ABB A170-M Series Specifications

General

Brand	ABB
Model	A170-M Series
Category	Industrial Equipment
Language	English