ABB HT611036 Instruction Manual

Operation Manual / 4 Product description / A150-M56/66/57/67 -
A155-M..
7 Eliminating malfunctions / 7.2 Malfunctions during operation
© Copyright 2020 ABB. All rights reserved. HZTL4032_EN Rev.P March 2020
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20: Malfunctions during operation – Lubricating oil pressure too low
Speed reduces
Possible causes Remedy
Turbochar-
ger
Turbine and/or nozzle ring severely con-
taminated
Clean (see chapter Periodic mainten-
ance work →39)
Rotor components or bearing damaged Contact ABB Turbocharging Service
Station
Engine Defects 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21: Malfunctions during operation – Speed reduces
Speed increases
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 work →39) or contact an ABB Tur-
bocharging Service Station
Table22: Malfunctions during operation – Speed increases
Page 60 / 171

ABB HT611036 Specifications

General

Brand	ABB
Model	HT611036
Category	Industrial Equipment
Language	English