Operation
0590
−
1/A1
Winterthur Gas & Diesel Ltd.
Defective Turbocharger
1.
General
If a turbocharger becomes defective, you must shut down the engine as quickly as
possible to prevent damage.
If repair or replacement of a turbocharger is not immediately possible, the engine can
operate in Emergency Operation at decreased load after the procedures below is
completed.
In Emergency Operation, you must operate the engine only for as long as necessary
, paragraph 2 Decreased Power Output).
The loads (outputs) given are guidance values, which are related to the condition of
the engine. It is possible that these values will be decreased.
2.
Defective Conditions
2.1
Condition One
Table 1 shows the approximate engine load output (related to the CMCR) of an
engine that operates with one or two defective turbochargers. The approximate
engine load output is related to the output of the auxiliary blowers.
Table 1: Relation between Engine Load Output and the Number of Defective TC
Number of installed
turbochargers
Number of defective
turbochargers
Approximate engine load
output related to the CMCR
2
1
50 %
3
1
66 %
3
2
33 %
2.1.1 Procedure
1) Lock the rotor of the turbocharger (see
the turbocharger manual).
2) Remove the expansion joint (3)
between the defective turbocharger (5)
and the exhaust manifold (1).
3) Install the blind flanges (2, tool 94653)
and (4, tool 94653).
4) Remove the expansion joint between
the air outlet of the defective
turbocharger (5) and the diffuser.
Note: Install the blind flange (6) only if
there is a suction pipe.
5) Install the blind flanges (6, tool 94655)
and (7, tool 94653A).
6) Do a check of the oil supply pressure of
the serviceable turbocharger. If the
pressure is decreased, shut off the oil
supply to the defective turbocharger.
The scavenge air pressure, turbocharger
speed and firing pressures must not be
more than the values given for usual
operation.
Note: Before you start the turbocharger,
make sure that the oil supply is
open.
2014-09
Operation during Unusual Conditions
Fig. 1: Defective Condition One
6
018.897/09
4
2
3
1
5
7
Summary of Contents for W-X82
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Page 337: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 3 21 WCH00345 2014 Air Supply...
Page 340: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 6 21 WCH01167 2014 Servo Oil Supply 9 cylinders...
Page 342: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 8 21 WCH01123 2014 Fuel Supply 9 cylinders...
Page 343: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 9 21 016 805 08 2014 Starting System...
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