Blanking Off The Inlets And Outlets; Engines With Bypass Around The Turbocharger - ABB HT574400 Operation Manual

Operation Manual / 4 Product description / A100-M axial
9 Taking a turbocharger out of operation
Common air receiver
Excessive speeds on undamaged turbochargers
The speed limit n
not be exceeded. Serious damage to engine or property can be caused by
CAUTION
excessive speeds.
Observe the speeds of the undamaged turbochargers.

Reduce the engine load if necessary.

The air line must be blanked off on the engine side because the undamaged turbochargers
build up a receiver pressure.
9.4

Blanking off the inlets and outlets

The chapter is only applicable for engines with several turbochargers and joint air and exhaust
gas receivers.
Close the lubricating oil supply to the turbocharger.

Blank off flange from compressor casing outlet, gas inlet and gas outlet by the installation

of cover plates.
Observe specifications from enginebuilder.

9.5

Engines with bypass around the turbocharger

The chapter only applies for engines with one turbocharger and for systems on which the con-
nections for a bypass have been prepared and the necessary pipe connections have been
provided.
Close the lubricating oil supply to the turbocharger.

Open the bypass around the turbocharger.

Observe specifications from enginebuilder.

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specified on the rating plate of the turbocharger must
Bmax
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Revision A July 2016