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Operation Manual / Power2 550-M / High-pressure stage
5 Monitoring during operation / 5.2 Lubricating oil temperature
© Copyright 2022 ABB. All rights reserved.
HZTL4058_EN
Rev.F
March 2022
5.2
Lubricating oil temperature
Lubricating oil temperature at the inlet
CAUTION
Machine damage
If the oil temperature at the oil inlet exceeds the admissible range, this may
lead to engine damage.
u
Observe oil temperature at the oil inlet according to the following table.
Power2 Status for operation
Oil temperature at the in-
let
T
oil,inlet
[°C]
550
Admissible
30 … 90
Temporarily admissible (< 1 h) -> alarm
> 90
Not admissible -> stop engine
> 95
Not admissible -> do not start engine (before start: pre-
heat oil)
< 30
Table 13: Oil temperature at the inlet
Lubricating oil temperature at the outlet
The oil temperature at the outlet is mainly dependant on:
¡
Lubricating oil temperature and pressure at the oil inlet
¡
Engine load and turbocharger speed
¡
Exhaust gas temperature
The maximum admissible oil temperature at the outlet is listed in the following table. The
specified oil outlet temperature is to be considered as alarm value for the turbocharger op-
eration and must be monitored according to the current regulations.
Power2
Status for operation
Oil temperature at the out-
let
T
oil,outlet
[°C]
550
Admissible
≤ 140
Temporarily admissible -> alarm
> 140
Not admissible -> stop engine
> 160
Table 14: Oil temperature at the outlet
If the turbocharger has been operated for a longer period of time outside the admissible
range, Turbo Systems recommends having the turbocharger inspected by a Turbo Systems
service station.
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