Procedure With Two Or More Installed Turbochargers - ABB A170-L37 Operation Manual

Operation Manual / 4 Product description / A100-L
9 Taking a turbocharger out of operation
9.4

Procedure with two or more installed turbochargers

Speed limit of the turbocharger
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.

9.4.1 Blanking off the inlets and outlets
The chapter is only applicable for engines with several turbochargers and joint air and exhaust
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.
Stop the engine.

Shut off the supply of lubricating oil to the turbocharger.

Blank off flanges of compressor casing outlet (01), gas inlet (02) and gas outlet (03) by

installing cover plates.
Observe specifications from enginebuilder.

Figure 60: Position of cover plates
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specified on the rating plate of the turbocharger must
Bmax
HZTL4034_EN
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Revision H
November 2016