Probe Retractor: Checking And Tightening The Drive Chain - ABB ProKiln GAC400 Operating Instruction

ProKiln GAC400 PROBE GAS SAMPLING SYSTEM | OI/GAC400-EN REV. A
18. Unlock EMERGENCY STOP switch -15S7 or -150S3 by turning
the back ring in the direction of the arrow. No movement
must be seen.
19. Push the blue button Emergency Reset -15SB/-15P12 to allow
new operation of the probe retractor and air blaster probe
blow-back.
20. Insert gas sampling probe into the kiln.
Path: Main ► Probe Position ► Go S3
WARNING! Gas sampling probe moves into the kiln. Do not
stand in the area of travel of the gas sampling probe or
probe buggy until the probe is completely inserted into the
kiln and the warning lamps/sounds go out.
21. Switch system to Auto mode on the HMI
Path: Home ► Auto
22. Operation/Service Mode -50S15 switch must be switch back
to Operation Mode

Probe retractor: Checking and tightening the drive chain

Safety measures
WARNING
Dangers when performing maintenance work.
Always take the following safety measures when performing
this work:
• Wear a face mask against heat, heat-proof gloves, and
protective welder's clothing.
• Operation/Service Mode -50S15 switch must be in the
Service Mode (with a padlock).
• Additionally press the EMERGENCY STOP switch.
• Do not enter the danger area around the retractor until it
is at standstill and the warning lamps and buzzer are off
and the shutter is closed.
• Do not perform the work until the probe gas sampling
system has cooled down.
• Lock the shutter before starting the work, unlock the
shutter only after finishing the work.
• Always keep the floor around the probe gas sampling
system clean and dry.
Explanation of safety measures: Safety instructions for
maintenance work on page 98.
Introduction
Maintain adequate drive chain tension to prevent damage to the
retractor.
Maintenance interval
• monthly or as required
Requirements
The following conditions must be met:
• The probe is retracted to maintenance position S0
• Safety switch probe -101S2 in OFF position to prevent any
movement of the probe see Operating the service switch on
page 100
• The EMERGENCY STOP switch is pressed.
• The flange shutter is locked
117