7.1.2 Checking machine room for smell of gas
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Gas detection and alarm unit
(→ Tools Catalog)
WARNING
Natural gas is combustible.
Risk of fire and explosion!
• Avoid open flames, electrical sparks and ignition sources.
• Do not smoke.
Checking machine room for smell of gas
1.
Check machine room for smell of gas or localize gas supply leaks using gas detection and alarm unit.
2.
If smell of gas is detected or the gas detection and alarm unit is triggered:
• Avoid naked flames!
• Avoid sparks! Do not use electrical appliances (including switches, connectors/sockets, telephone,
bell).
• Do not smoke!
• Close main gas shutoff device!
• Open windows and doors!
• Warn residents and leave building!
• Call gas supplier from outside the building!
134 | Task Description | MS150059/01E 2012-07
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