Malfunctions During Operation; Table 17: Malfunctions During Operation - Lubricating Oil Pressure Too Low; Table 18: Malfunctions During Operation - Drop In Speed; Table 19: Malfunctions During Operation - Speed Increases - ABB HT575751 Operation Manual

Operation Manual / 4 Product description / A100-M axial
7 Troubleshooting / 7.2 Malfunctions during operation
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.
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.
u
Wear safety gloves to protect against thermal hazards.
Possible causes
Turbocharger Axial clearance of the rotor excessive
Engine Oil filter heavily contaminated
Oil pump in lubricating system defective Check/replace
Manometer displays incorrectly
Table 17: Malfunctions during operation – Lubricating oil pressure too low
Drop in speed
Possible causes
Turbocharger Heavy contamination of the turbine and/
or nozzle ring
Damaged rotor components or bearing Contact ABB Turbocharging Service Sta-
Engine Defect on the connected cylinders in
pulse charging
Pipes Defects, such as leaks, in the exhaust gas
pipes or charge air ducts
Table 18: Malfunctions during operation – Drop in speed
Increase in speed
Possible causes
Turbocharger Light to medium contamination of the
turbine and/or nozzle ring (with 4-stroke
application)
Table 19: Malfunctions during operation – Speed increases
© Copyright 2017 ABB. All rights reserved.
Remedy
Contact an ABB Turbocharging
Service Station
Clean
Replace manometer
Remedy
Clean (see chapter
→33)
tion
Contact enginebuilder
Repair
Remedy
Clean (see chapter
→33) or contact an ABB Turbocharging
Service Station
HZTL4033_DE
Periodic maintenance
Periodic maintenance
Revision B December 2017