ABB SCK - Safety Regulations for Maintenance Work

158 Operating instruction SCK Gas Sampling System OI/SCK-EN Rev. E
Safety regulations for maintenance work
Maintenance personnel must observe the following safety instructions when
performing maintenance work.
Risk of injury in the area of the gas sampling system due to moving or fall-
ing parts, hot surfaces, hot cooling water, anti-freeze, compressed air,
lubricating oil
Wear general personal protective equipment:
 Closed overalls with long trousers and long sleeves
 Safety shoes
 Safety gloves suitable for mechanical work
 Safety glasses
 Protective helmet
 If necessary, additional protective equipment if prescribed by the opera-
tor.
Danger of crushing when lifting or lowering the transport unit
 Only appropriately trained personnel may transport the transport units and
only with the aid of the recommended transport equipment.
 Do not stand under suspended loads.
 Follow the transport instructions in these operating instructions care-
fully.
Risk of crushing around the retractor due to gas sampling probe move-
ments
 Before commencing any work on the gas sampling system, turn the service
switch to "ON" and secure the service switch against unauthorized switch-
ing (with a padlock).
 Additionally press the EMERGENCY-STOP switch before working on the
retractor or probe.
 Do not enter the danger area around the retractor until it is at standstill
and the warning lamps and buzzer are off.
 Never stand in the danger area around the retractor when the protective
installation is closed.
 When the warning lamps light up or the earning buzzer buzzes, leave the
danger area around the probe retractor immediately as the probe is about
to move at any moment.
 Press the EMERGENCY-STOP switch immediately if anyone is still in the
danger area around the retractor after the warning lamps light up or the
warning buzzer buzzes.
Introduction
Mechanical, thermal
and material dangers
Heavy transport
units
Gas sampling probe
movements