Operation
0210−1/A1
Winterthur Gas & Diesel Ltd.
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13. Turning Gear
The lubricating oil pump must operate if possible, but the oil pressure cannot fully
increase when the exhaust valves are open.
WARNING
Injury Hazard: After an air run the crankshaft can turn suddenly
when the pressurized air in the cylinder releases. There is a risk
of death, serious injury or damage to components. Make sure that
there is no pressurized air in the cylinder and starting air pipes
before you do maintenance on the engine or engage the turning
gear. Make sure that the relief valves on all cylinder covers are
open to release the pressure.
WARNING
Injury Hazard: Make sure that no personnel and components are
in the danger areas (crankcase, piston underside, propeller shaft,
etc). The propeller coupling also turns.
Note: If the engine is stopped for overhaul, you must engage the turning gear to
prevent engine movement.
If the engine is ready for maneuvering, the turning gear must not be engaged.
Before the you start the engine, make sure that the turning gear is disengaged and
the lever is locked. It is possible that the 3/2-way valve (35-31HA) can prevent engine
start (see 4003−2 Control Diagram).
14. Instruments
Calibrate instruments (and gages) at regular intervals before you use them.
15. Frost Hazard
If the temperature decreases below 0°C and the engine is not in operation, it is
possible that water in the engine, pumps, coolers and piping system will freeze. To
prevent this, drain the systems or increase the temperature in the engine room.
2015-07
Safety Precautions and Warnings (General Information)
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