Operation
0220−1/A1
Winterthur Gas & Diesel Ltd.
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Slow Turning
1. General
To make sure that the running gear turns freely, it is recommended (as long as the
classification society did not make more primary specifications) to turn the crankshaft
a minimum of one full turn before start-up.
Note: This does not apply if the engine was stopped during a maneuvering
period.
2. Turning Gear
WARNING
Injury Hazard: Before you operate the turning gear, make sure
that no personnel are near the flywheel. Obey the data given in
0210−1 Safety Precautions and Warnings.
The turning gear is used to turn the crankshaft (approximately one turn in
10 minutes). An arrow next to the flywheel shows the direction and distance that the
crankshaft has turned.
3. Slow Turning with Starting Air
A controlled quantity of starting air is released to turn the running gear at
approximately 5 rpm to 10 rpm.
The engine control system (ECS) has the command SLOW TURNING for this
operation (see 4002−2, paragraph 3.10, User parameters).
The active control stand is used to start the SLOW TURNING operation:
D From the remote control
D At the ECR manual control panel in the control room
D At the local control panel.
2015-03
Operation during Usual Conditions
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