Operation4003−1/A1
Winterthur Gas & Diesel Ltd.
12/ 12
4.13 Overspeed System and Start Procedure
1) Close the venting valves 2.21 and 2.27.
2) Put the handwheel 2.10 of shut-off valve for starting air 2.03 in the position
AUTOMAT.
3) Open the shut-off valves on the starting air bottles.
4) Make sure that the turning gear is disengaged.
5) Set the overspeed limit to approximately 30 rpm.
6) Make sure that the safety system checks are done and the fuel shut-down pilot
valve 3.08 operates correctly.
7) Set to on the main bearing oil pump.
8) Set to off the servo oil service pump 4.88.
9) Set to on the cooling water pumps.
10) Push the button LOCAL MANUAL CONTROL at WECS−9520 manual control
panel (see 4618−1) to get control.
11) Push the AIR RUN button to start the engine with air only.
12) When the engine is at a speed of 30 rpm, the overspeed monitor will activate a
shut-down.
13) Make sure that the fuel pressure control valve 3.06 opens and that the pressure
in fuel rail 3.05 decreases immediately. You can see the pressure decrease on
the WECS−9520 manual control panel.
At the same time the fuel pump actuators move the regulating linkages to the
position 0.
14) Set the overspeed monitor so that the system can operate again.
15) When these overspeed tests are satisfactorily completed, set the overspeed
monitor in the safety system to the nominal speed +10%.
4.14 Engine Start on Fuel
1) Make sure that the engine is ready for operation (see 0110−1, paragraph 2).
2) Push the button AIR RUN to turn the engine.
3) Push the button FUEL CONTROL MODE.
4) On the local control panel, use the rotary knob to set the fuel injection quantity
to 25%.
5) On the WECS−9520 manual control panel, push the button START AHEAD to
start the engine.
6) Use the rotary knob to adjust the fuel injection quantity, which controls the engine
speed. Operate the engine until all cylinders fire regularly.
7) Push the button STOP. The engine stops.
8) On the WECS−9520 manual control panel, push the button REMOTE AUTO.
CONTROL. The remote control now has control.
9) You can now use the remote control to start the engine.
2017−08
Engine Control
To Next Page
Loading...
