ABB SCK - Page 81

OI/SCK
-EN Rev. E Operating instruction SCK Gas Sampling System 81
Danger Where / in what situa-
tion does the danger
arise?
Preventive action
Risk of crushing
due to moving gas
sampling probe
In the travel area of the
retractor when the
probe moves in or out.
This is the case in the
following situations:
 at unforeseeable
times during auto-
matic mode
 in the event of the
following errors in
automatic mode:
 failure or interrup-
tion of the power
supply
 failure of the com-
pressed-air supply

failure of the control
system
 when manually
starting probe trav-
el
 when actuating the
service switch
 when opening the
protective installa-
tion securing the
danger area around
the retractor
 Press the service switch
before performing any
work on the gas sampling
system.
 Additionally press the
EMERGENCY-
STOP switch
before working on the re-
tractor.
 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 in-
stallation is closed.
 When the warning lamps
light up or the earning
buzzer buzzes, leave the
danger area around the
probe retractor immedi-
ately 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 warn-
ing lamps light up or the
warning buzzer buzzes.