
Operation Manual / 4 Product description / A200-L
9 Taking a turbocharger out of operation / 9.2 Taking defective tur-
bochargers out of operation
© Copyright 2018 ABB. All rights reserved.
HZTL4036_EN
Revision N
November 2018
9.2.2
Procedure with two or more installed turbochargers per
engine
CAUTION
Machine damage due to too high a speed
The permissible turbocharger speed for the unlocked turbocharger may not
exceed 45% of n
Bmax
. Serious damage to engine or property can be caused by
excessive speeds.
u
Observe the permissible turbocharger speed for the unlocked turbochar-
ger.
u
Reduce the engine load if necessary.
u
Stop the engine.
u
Close off oil supply to defective turbocharger.
u
Blank off the inlets and outlets of the defective turbocharger (see chapter
).
u
Continue to operate engine in accordance with enginebuilder's instructions. Observe the
prescribed power reduction.
9.2.3
Locking the rotor
Fig. 62: Locking the rotor
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