Operation
0820
−
1/A1
Winterthur Gas & Diesel Ltd.
6.
Exhaust Waste Gate
The exhaust waste gate is defective, low-load tuning causes too much thermal load
on the engine, or a scavenge air pressure that is too high.
Problem
Possible Causes
Procedure
The engine has too much
thermal load
(a slow-down signal is
released)
The butterfly valve stays in the OPEN
position at a load range of less than 85%.
Adjust the screw for manual
operation on the solenoid
valve ZV7076C (see
Fig 1).
Do an overhaul and replace
the butterfly valve.
As a temporary solution,
install a blind flange in the
exhaust bypass and operate
the engine only up to 85%
load.
The scavenge air pressure is
too high
(a slow-down signal is
released)
The butterfly valve stays in the CLOSED
position at a load range of more than 85%.
Do an overhaul and replace
the butterfly valve.
Do a check of the function of
the solenoid valve ZV7076C.
If necessary, do an overhaul
or replace the solenoid valve.
As a temporary solution,
operate the engine only up to
85% load.
2014
Irregular Operation
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...
Page 344: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 10 21 016 335 07 2014 Speed Control...
Page 354: ...Operation 4003 3 A1 Winterthur Gas Diesel Ltd 20 21 018 138 09 2014 Cooling Water...
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