Malfunctions During Operation - ABB A140-H56 Operation Manual

Operation Manual / A130-H.. - A140-H..
9 Troubleshooting
9.2

Malfunctions during operation

Lubricating oil pressure too low
Possible causes
Engine Oil filter heavily contaminated
Oil pump in lubricating system defective
Manometer displays incorrectly
Turbocharger Axial clearance of the rotor excessive
Table 16
Drop in speed
Possible causes
Engine Defect on the connected cylinders in pulse
charging
Turbocharger Heavy contamination of the turbine and/or
nozzle ring
Damaged rotor components or bearing
Pipes Defects, such as leaks, in the exhaust gas
pipes or charge air ducts
Table 17
Increase in speed
Possible causes
Turbocharger Light to medium contamination of the tur-
bine and/or nozzle ring (with 4-stroke ap-
plication)
Table 18
© Copyright 2013 ABB. All rights reserved.
Remedy
Clean
Check/replace
Replace manometer
Contact ABB Turbocharging Service Stati-
on
Remedy
Contact enginebuilder
Clean (see chapter Periodic maintenance
[➙ 61])
Contact ABB Turbocharging Service Stati-
on
Repair
Remedy
Clean (see chapter Periodic maintenance
[➙ 61]) or contact an ABB Turbocharging
Service Station
HZTL2414_EN
Page 76 / 115
Revision B
March 2013