ABB Power2 850-M16 - Page 72

Operation Manual / Power2 800-M / 4 Product description
7
Troubleshooting
Page 40 /
59
© Copyright 2016 ABB. All rights reserved.
HZTL4061_EN
Revision A
September 2016
7.2 Malfunctions during operation
Lubricating oil pressure too low
Possible causes
Remedy
Engine Oil filter heavily contaminated Clean
Oil pump in lubricating system defec-
tive
Check/replace
Manometer displays incorrectly Replace manometer
Low-pressure or
high-pressure
stage
Axial clearance of the rotor excessive Contact ABB Turbocharging Service Sta-
tion
Table 19: Malfunctions during operation – Lubricating oil pressure too low
Drop in low-pressure stage speed
Possible causes
Remedy
Engine
Defects on the connected cylinders
Contact enginebuilder
Low-pressure
stage
Heavy contamination of the turbine Clean
Damaged rotor components or bear-
ing
Contact ABB Turbocharging Service Sta-
tion
Change of operating state of high-
pressure stage
Check the operating point of the high-
pressure stage.
Pipes
Defects, such as leaks, in the ex-
haust gas pipes or charge air ducts
Repair
Table 20: Malfunctions during operation – Power2 LP speed reductions
Drop in high-pressure stage speed
Possible causes
Remedy
Engine
Defects on the connected cylinders
Contact enginebuilder
High-pressure
stage
Heavy contamination of the turbine Clean
Damaged rotor components or bearing
Contact ABB Turbocharging Service Sta-
tion
Change of operating state of low-
pressure stage
Check the operating point of the low-
pressure stage.
Pipes
Defects, such as leaks, in the exhaust
gas pipes or charge air ducts
Repair
Table 21: Malfunctions during operation – Power2 HP speed reductions