WÄRTSILÄ VASA 6L32, Instruction Manual

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Crankcase explosion if oil mist is mixed with “fresh” air during
inspection after an oil mist shut down,
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Crankcase safety explosion valves will open if there is a crank-
case explosion.
00A.1.1.3
Hazards that may be due to different leakages, break-
down or improper assembly of component
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Fuel or gas pipe will burst and spray fuel / gas,
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Leakage of:
—
fuel in joints on low and/or high pressure side,
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lube oil,
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high pressure water on DWI engines,
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HT water,
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charge air,
—
exhaust gas,
—
pressurised air from air container, main manifold or pipes,
—
high pressure gas and sealing oil on GD engines,
·
Fire or explosion due to leakage on fuel line,
·
Fire due to oil or fuel / gas leakage,
·
Explosion or fire if flammable gas/vapour is leaking into the
insulation box,
·
Inhalation of exhaust gases or fuel gases due to leakage,
·
Failure of pneumatic stop,
·
Ejected components due to:
—
breakdown of hydraulic tool,
—
breakdown of hydraulic bolt,
—
breakdown of turbocharger,
—
high firing pressures,
—
major failure,
·
Ejection of:
—
pressurised liquids and gases from the block and pipings,
—
high pressure fluid due to breakdown of hydraulic tool,
—
gas due to high firing pressures,
—
pressurised gases from high pressure gas system,
—
high pressure fluid due to breakdown of HP sealing oil pipe,
—
high pressure air during maintenance of oil mist detector main
air supply piping,
—
cooling water or fuel/lube oil if sensor is loosened while the circuit
is pressurised,
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springs during maintenance work,
·
Oil spray if running without covers,
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Ejection of fuel injector if not fastened and
—
turning device engaged and turned.
—
engine turning due to closed generator breaker/coupling
200343 Risk Reduction Appendix A
00A - 3