ABB A140-H55 - Malfunctions During Operation; Table 20 Malfunctions During Operation - Speed Reduces; Table 21 Malfunctions During Operation - Speed Increases

Operation Manual / 4 Product description / A130-H.. - A140-H..
7
Eliminating malfunct
ions Page 66 /
115
© Copyright 2015 ABB. All rights reserved.
HZTL4030_EN
Revision C
September 2015
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 cause severe personal
injury or fatal accidents can result.
 Cordon off danger area.
 Sound an alarm and depending on the situation, stop the engine.
 Seal oil leaks.
 Soak up oil and dispose of in an environmentally compatible manner.
Wear safety gloves against thermal risks.
Possible causes
Remedy
Engine Oil filter heavily contaminated Clean
Oil pump in lubricating system defective
Check/replace
Manometer displays incorrectly Replace manometer
Turbocharger
Axial clearance of the rotor excessive
Contact ABB Turbocharging Service
Station
Table 19: Malfunctions during operation – Lubricating oil pressure too low
Speed reduces
Possible causes
Remedy
Engine Defect on the connected cylinders in pulse
charging
Contact enginebuilder
Turbocharger Turbine and/or nozzle ring severely
contaminated
Clean (see chapter Periodic maintenance
work [➙ 45])
Rotor components or bearing damaged Contact ABB Turbocharging Service
Station
Pipes Defects, such as leaks, in the exhaust gas
pipes or charge air ducts
Repair
Table 20: Malfunctions during operation – Speed reduces
Speed increases
Possible causes
Remedy
Turbocharger
Light to medium contamination of the
turbine and/or nozzle ring (with 4-stroke
application)
Clean (see chapter Periodic maintenance
work [➙ 45]) or contact an ABB
Turbocharging Service Station
Table 21: Malfunctions during operation – Speed increases