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Operation Manual / 4 Product description / A100-L
9 Taking a turbocharger out of operation / 9.4 Procedure with two or
more installed turbochargers
© Copyright 2017 ABB. All rights reserved.
HZTL4034_EN
Revision K
June 2017
9.4
Procedure with two or more installed
turbochargers
CAUTION
Speed limit of the turbocharger
The speed limit n
Bmax
specified on the rating plate of the turbocharger must
not be exceeded. Serious damage to engine or property can be caused by
excessive speeds.
u
Observe the speeds of the undamaged turbochargers.
u
Reduce the engine load if necessary.
9.4.1
Blanking off the inlets and outlets
The chapter is only applicable for engines with several turbochargers and joint air and ex-
haust gas receivers. The cover plates for the compressor casing outlet, gas inlet and gas
outlet are not included in the ABB scope of delivery.
The following figure shows the positions where to fit the cover plates.
u
Stop the engine.
u
Shut off the supply of lubricating oil to the turbocharger.
u
Blank off flanges of compressor casing outlet (01), gas inlet (02) and gas outlet (03) by in-
stalling cover plates.
u
Observe specifications from enginebuilder.
Fig. 62: Position of cover plates
9.4.2
Continuing to operate the engine
Continue to operate engine in accordance with enginebuilder's instructions. Do not exceed
prescribed power reduction and maximum turbocharger speed.
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