Fig. 64: Locking The Rotor - ABB HT844414 Operation Manual

Operation Manual / 4 Product description / A100-L
9 Taking a turbocharger out of operation / 9.2 Taking defective tur-
bochargers out of operation
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
excessive speeds.
Observe the permissible turbocharger speed for the unlocked turbochar-
u
ger.
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
the inlets and outlets
Continue to operate engine in accordance with enginebuilder's instructions. Observe the
u
prescribed power reduction.
9.2.3 Locking the rotor
Fig. 64: Locking the rotor
Product
A165-L
A170-L
A175-L
A180-L
A185-L
© Copyright 2018 ABB. All rights reserved.
. Serious damage to engine or property can be caused by
Bmax
→97).
Thread
M6
M8
M10
M10
M12
HZTL4034_EN
Tightening torques of screws B
10
25
45
45
75
Revision N
Blanking off
,B [Nm]
1 2
November 2018