CHAP. 3 - SAFETY CONDITIONS 4 / 35 ENGLISH
OPA-100
CHAP. 3 - SAFETY CONDITIONS
3.1 IMPORTANT INFORMATION CONCERNING PERSONAL SAFETY
DANGER OF ASPHYXIATION
PETROL (GASOLINE) FUELLED ENGINES
The exhaust gas of petrol (gasoline) fuelled engines contains carbon monoxide, a
colourless and odourless gas which can cause serious physical problems if inhaled.
Pay particular attention if you work in a pit as some exhaust gas components are
heavier than air and will deposit at the bottom of the pit itself. Great care should also be
taken with gas fuelled vehicles.
DIESEL ENGINES
The composition of the exhaust gas produced by a Diesel engine is not always the
same. It can change according to: the type of engine, aspiration, the conditions of use
and the composition of the fuel used. Diesel exhaust consists of (CO, CO2, NOX and
HC), gas and particulate (soot, sulphates). The tiny particles of carbon that form the
soot remain suspended in the air and can therefore be inhaled. Small amounts of toxic
components are also present.
SAFETY MEASURES
- Always ensure that the place in which you work is correctly ventilated and that any
fumes are exhausted (particularly in pits).
- Always operate an exhaust extraction system in closed rooms.
DANGER OF BEING CRUSHED
You could be crushed against a work bench unless vehicles are correctly locked in
place by mechanical means.
SAFETY MEASURES
- Make sure that the vehicle is unable to move by applying the hand brake.
- Allow the engine to cool.
- Do not use naked flames or components that produce sparks.
- Do not smoke.
- Clean up any spilt fuel.
- Operate exhaust extraction fans in closed rooms.
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