Malfunctions During Operation; Table 20 Malfunctions During Operation - Speed Reduces; Table 21 Malfunctions During Operation - Speed Increases - ABB A145-M56 Operation Manual

Operation Manual / 4 Product description / A130-M.. - A145-M..
7 Eliminating malfunctions
7.2

Malfunctions during operation

Lubricating oil pressure too low
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.
WARNING
Cordon off danger area.

Raise the alarm and, depending on the situation, stop the engine.

Seal the oil leak.

Soak up oil and dispose of in an environmentally compatible manner.

Wear safety gloves to protect against thermal hazards.
Possible causes
Engine Oil filter heavily contaminated
Oil pump in lubricating system defective
Manometer displays incorrectly
Turbocharger Axial clearance of the rotor excessive
Table 19: Malfunctions during operation – Lubricating oil pressure too low
Speed reduces
Possible causes
Engine Defect on the connected cylinders in pulse
charging
Turbocharger Turbine and/or nozzle ring severely con-
taminated
Rotor components or bearing damaged
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
Turbocharger Light to medium contamination of the tur-
bine and/or nozzle ring (with 4-stroke ap-
plication)
Table 21: Malfunctions during operation – Speed increases
© Copyright 2017 ABB. All rights reserved.
Remedy
Clean
Check/replace
Replace manometer
Contact ABB Turbocharging Service
Station
Remedy
Contact enginebuilder
Clean (see chapter Periodic maintenance
work [➙ 45])
Contact ABB Turbocharging Service
Station
Repair
Remedy
Clean (see chapter Periodic maintenance
work [➙ 45]) or contact an ABB Turbo-
charging Service Station
HZTL4031_EN
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Revision E January 2017