3 If all turbochargers are defective, isolate the defective turbochargers from the scavenge
air system.
NOTE: This step is applicable for an engine with one, two, or three turbochargers, and
none of the turbochargers are serviceable.
3.1 Lock the rotor of the defective turbochargers (refer to the turbocharger manual).
3.2 Remove the expansion joint (005, Figure 10-11) between the defective
turbochargers air outlet and the diffusor.
3.3 Install the covers 94653C (001).
NOTE: You only have to install the covers (001), if the turbochargers are
connected to a suction duct.
3.4 Open the covers (003 and 004) on the scavenge air receiver.
3.5 Set to ON the auxiliary blowers.
Fig 10-11 All turbochargers are defective (example)
Legend
001 Cover 94653C 004 Cover
002 Cover 94653D 005 Expansion joint
003 Cover 006 Turbocharger
4 Make sure that the air supply to the engine room is satisfactory.
5 Make sure that the oil supply pressure to the serviceable turbochargers is satisfactory.
6 Start the engine with the given limits, refer to section 8.3 Start the engine - general.
CLOSE UP
• None
X92DF
AA00-6500-00AAA-662A-A
Operation Manual Temporary isolate a defective turbocharger
Winterthur Gas & Diesel Ltd.
- 564 - Issue 002 2020-08
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