Precautions
•
The air conditioning system must be serviced only by author‐
ized and trained personnel. Follow the national legislation and
local regulations.
•
Use protective gloves and safety glasses if there is a risk of
leaks.
•
Before servicing, make sure that there are no heat-producing
sources or objects, for example a cigarette glow or a welding
flame, close to the maintenance item.
Air pollution
Air pollution is the impurities in the air that are regarded as hazard‐
ous to health.
The following air pollution hazardous to health is especially promi‐
nent in workshops:
•
Carbon monoxide (fumes):present in exhaust fumes, odourless
and therefore especially dangerous
•
Nitrogen oxides (nitrous gases):present in exhaust fumes
•
Welding smoke:especially hazardous to health when welding
on oily surfaces, galvanized, or lacquered materials
•
Oil mist:for example, when applying an anti-corrosion agent
•
Grinding dust and gases:generated when grinding and heating
plastics, lacquer, anti-corrosion agents, lubricants, paint, and
so on
•
Isocyanates:present in certain paints, fillers, adhesives, and
foam plastics
Risks
Sulphuric acid mist is corrosive and it injures the respiratory tract.
Sulphuric acid is generated when heating certain plastics and
paints.
Isocyanates can be released in the form of steam or dust when cut‐
ting, grinding, or welding the materials. Isocyanates may also be
present in aerosols. They can irritate mucous membranes, produc‐
ing symptoms similar to asthma and impairing lung function. Even
brief exposure to high concentrations can cause problems of persis‐
tent high sensitivity.
Precautions
•
Make sure adequate ventilation during welding, charging a bat‐
tery, and other work where hazardous gases are generated.
•
Use suitable gloves and respiratory protection when there is a
risk of oil mist. Make sure that the protective equipment is oil-
resistant.
•
Apply oil-resistant protective lotion on unprotected skin.
•
Ensure that an eye-wash station is in the immediate vicinity
when working with corrosive substances.
•
Avoid unnecessary operation of the engine inside the work‐
shop. If the engine must be operated in enclosed spaces, use
an exhaust gas extractor to lead the exhaust gas out. Connect
the exhaust gas extractor hose to the exhaust pipe to prevent
the exhaust gases from flowing to the workshop.
10 B Safety – Safety instructions
TL2 Maintenance Manual
591 003 Default
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