ABB HT568964 - Malfunctions During Operation; Table 17 Malfunctions During Operation - Lubricating Oil Pressure too Low; Table 18 Malfunctions During Operation - Speed Reductions; Table 19 Malfunctions During Operation - Speed Increases

Operation Manual / 4 Product description / A100-M axial
7
Troubleshooting
Page 52 /
113
© Copyright 2016 ABB. All rights reserved.
HZTL4033_EN
Revision A
July 2016
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 inju-
ry 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 to protect against thermal hazards.
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 17: Malfunctions during operation – Lubricating oil pressure too low
Drop in speed
Possible causes
Remedy
Engine Defects on the connected cylinders in
pulse charging
Contact enginebuilder
Turbocharger Heavy contamination of the turbine
and/or nozzle ring
Clean (see chapter Periodic maintenance
[➙ 37])
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 18: Malfunctions during operation – Speed reductions
Increase in speed
Possible causes
Remedy
Turbocharger Light to medium contamination of the
turbine and/or nozzle ring (with 4-stroke
application)
Clean (see chapter Periodic maintenance
[➙ 37]) or contact an ABB Turbocharging
Service Station
Table 19: Malfunctions during operation – Speed increases