WARNING
When operating in this manner, the engine speed must stay 55% of the maximum
continuous rating speed. Additionally, the over-speed level of the engine must be lowered
to 80% of the continuous rating speed.
NOTE: During maneuvers, the engine speed can be raised for 10 minutes to 80% of the
continuous rating speed.
The cylinder is now cut out and the engine performs under special running conditions.
C.) Cylinder cut out while the piston is still moving but the exhaust valve is closed and the
compression is on
1 Stop the engine
2 On the LDU, access the “Fuel Injection Adjust Page”.
3 On the page, turn of the fuel injection for the corresponding cylinder
4 Disconnect the electrical plugs for the fuel injectors of the corresponding cylinder
5 On the LDU, on the exhaust valve control page, make sure there are no error indications
shown
6 Make sure that the exhaust valve is completely closed
7 If the exhaust valve isn’t completely closed, disconnect the plug for the cylinder starting
valve
8 After 15 minutes of running, open the crankcase and check:
•
The bearings
•
The temporarily secured parts
•
The oil flow through bearings
•
The tightness of blanked-off openings
9 After 60 minutes of running, open the crankcase and check:
•
The bearings
•
The temporarily secured parts
•
The oil flow through bearings
•
The tightness of blanked-off openings
WARNING
The cylinder cooling water and piston cooling oil must not be cut off.
NOTE: A malfunctional or out of operation exhaust valve may cause the turbochargers to surge.
The cylinder is now cut out and the engine performs under special running conditions.
D.) Cylinder cut out while the piston, piston rod and crosshead are suspended in the engine and
the connecting rod is out
1 Stop the engine
2 On the LDU, access the “Fuel Injection Adjust Page”.
3 On the page, turn of the fuel injection for the corresponding cylinder
X92-B
AA00-0000-00AAA-100A-A
Operation Manual Special running condition: Cylinder cut out
Winterthur Gas & Diesel Ltd.
- 412 - Issue 002 2021-11
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