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Operation Manual / 4 Product description / A150-M56/66/57/67 -
A155-M..
5 Operation and service / 5.4 Stopping the engine
© Copyright 2018 ABB. All rights reserved.
HZTL4032_EN
Revision H
July 2018
5.4
Stopping the engine
CAUTION
Residual heat in the turbocharger
If the residual heat in the turbocharger is not adequately dissipated, it may
damage the engine.
u
Adequate cooling of the turbocharger must be ensured after stopping
the engine.
u
Run the engine for 5 ... 10 minutes at idling speed before stopping it.
u
Observe the oil pressure specified for engine idling &.
¡
For oil-cooled bearing casings, post-lubricate for 20 minutes if the turbine inlet temper-
ature (t
TE
) exceeds the following values when the engine is stopped:
– 550 °C with insulated casing
– 600 °C with non-insulated casing
At temperatures below the specified values, post-lubrication must be ensured until the
rotors come to a standstill. ABB Turbo Systems recommends post-lubrication for
10 minutes.
u
Observe the oil pressure specified for post-lubrication &.
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