8.14
Stop the engine - general
You can stop the engine from the locations that follow:
•
At the bridge or engine control room (ECR) with remote control
•
At the backup control panel in the ECR
•
At the local control panel of the engine.
For a diesel engine WinGD recommends to operate the engine with marine diesel oil (MDO) for
some time before you stop the engine, refer to
8.12 Change-over from HFO to MDO manually
.
For a DF engine that operates in gas mode are the procedures related to the conditions as follows:
•
The operator pushes the STOP button
When the operator pushes the STOP button, the ECS starts the procedures that follow:
○
The ECS changes to stop mode, thus the related control system stops the gas supply
and releases the pressure in the gas inlet pipes.
○
The ECS de-energizes the solenoid valve on the gas admission valves (GAV), thus
the gas flow to the cylinders stops.
○
The ECS stops the operation of the pilot fuel valves after the crankshaft has turned
360°, thus makes sure that all gas in the combustion chambers burns.
NOTE:
If the crankshaft cannot turn 360°, the ECS sends a signal for an exhaust
ventilation request.
•
The ESS or ECS sends a cancelable shutdown signal
The engine safety system (ESS) or the ECS sends a cancelable shutdown signal, when a
related failure or defect occurs. The procedures are as follows:
○
The ECS changes to diesel mode, thus the related control system stops the gas
supply and releases the pressure in the gas inlet pipes.
○
The engine continues to operate in diesel mode until the shutdown signal becomes
active.
○
If the operator cancels the shutdown signal within the specified period, the engine
continues to operate in diesel mode.
•
The ESS or ECS sends a non-cancelable shutdown signal
The ESS or the ECS sends a non-cancelable shutdown signal, when a related failure or
defect occurs. The procedures are as follows:
○
The ECS changes to diesel mode, thus the related control system stops the gas
supply and releases the pressure in the gas inlet pipes.
○
The ECS de-energizes the solenoid valve on the gas admission valves (GAV), thus
the gas flow to the cylinders stops.
○
The ECS stops the engine.
○
The ECS sends a signal for an exhaust ventilation request.
X52
AA00-0000-00AAA-130G-A
Operation Manual
Stop the engine - general
Winterthur Gas & Diesel Ltd.
- 314 -
Issue 002 2018-11
