Blanking Off The Inlets And Outlets; Engines With Bypass Around The Turbocharger - ABB HT595846 Operation Manual

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Operation Manual / 4 Product description / A100-M axial
9 Taking a turbocharger out of operation / 9.4 Blanking off the inlets
and outlets
Common air receiver
CAUTION
Excessive speeds on undamaged turbochargers
The speed limit n
not be exceeded. Serious damage to engine or property can be caused by
excessive speeds.
Observe the speeds of the undamaged turbochargers.
u
Reduce the engine load if necessary.
u
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 ex-
haust gas receivers.
Close the lubricating oil supply to the turbocharger.
u
Blank off flange from compressor casing outlet, gas inlet and gas outlet by the installa-
u
tion of cover plates.
Observe specifications from enginebuilder.
u
9.5

Engines with bypass around the turbocharger

The chapter only applies for engines with one turbocharger and for systems on which the
connections for a bypass have been prepared and the necessary pipe connections have been
provided.
Close the lubricating oil supply to the turbocharger.
u
Open the bypass around the turbocharger.
u
Observe specifications from enginebuilder.
u
© Copyright 2020 ABB. All rights reserved.
specified on the rating plate of the turbocharger must
Bmax
HZTL4033_EN
Rev.E
May 2020

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A170-m66

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