Operation Manual / Power2 845-M / 4 Product description
4 Monitoring during operation / 4.1 Lubricating oil pressure
© Copyright 2020 ABB. All rights reserved.
HZTL4070_EN
Rev.C
January 2020
4
Monitoring during operation
4.1
Lubricating oil pressure
CAUTION
Assuring lubricating oil pressure
Serious damage to the engine or property can result from a missing or insuf-
ficient lubricating oil supply.
u
The lubricating oil pressure must be monitored during operation and the
necessary pressure assured at the oil inlet.
Fig. 10: Lubricating oil pressure measuring point
The measuring point M is at the oil supply channel of the high and low-pressure stage that is
not used for the oil supply.
Power2
Status
Engine
Status
Low-pressure and high-pressure stage
Oil pressure at measuring
point M
p
oil, in
[bar]
845
Engine run-
ning
Admissible
1.3 ... 2.5
Temporarily admissible
(<15 min) after engine start (cold oil)
1.3 ... 5.0
Temporarily admissible (<1 h )
-> Warning signal
1.0 ... 1.3
Not admissible
-> Alarm signal
->
stop the engine imme-
diately
< 1.0
Engine
stopped
Pre-lubrication
1.3 … 2.5
Post-lubrication
1.3 … 2.5
Long-term lubrication
< 0.7
Table 5: Oil pressure range
Metering orifices are installed in the oil inlet of the low-pressure stage and the high-pressure
stage in order to safeguard the oil pressures.
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