Instructions - ABB ProKiln GAC400 Operating Instruction

118 ProKiln GAC400 PROBE GAS SAMPLING SYSTEM | OI/GAC400-EN REV. A
... 11 Maintenance
... Maintenance work

Instructions

How to check drive tension:
1. Operation/Service Mode -50S15 switch must be in the
Service Mode
2. Switch system to manual mode on the HMI (if this has not
already been done).
Path: Home ► Manual
3. Retract gas sampling probe out of the kiln.
Path: Menu ► Probe Position ► GO S0
WARNING! The probe moves out of the kiln. Do not stand in
the area of travel of the probe or probe buggy until the probe
has reached its end position.
4. When working on the retractor and gas sampling probe,
additionally actuate the EMERGENCY-STOP -15S7 or -150S3
switch for reasons of safety and turn the Safety switch -
101S2 at the probe rear cabinet to OFF position, to prevent
any movement of the probe. This switch can also be secured
with a padlock. Additionally, secure that the flange shutter
remains closed.
5. Manually lock the shutter.
6. Check drive chain tension in the middle of the retraction unit,
by pulling it vertically with the hand
Target requirement: The upper chain is adequately
tensioned when you can pull it vertically approximately. 0,5-1
cm by hand on the middle of the retractor unit.
7. If the chain is too loose or if you can see wear on the chain
support: Increase tension with the chain tensioner nuts
on the front of the retractor, behind the protection plates. By
adjusting the nuts 1 equally in both sides, the bearing
and shaft/cogwheel 3
Note: Ensure that the drive chain is not adjusted with too
much tension. The upper chain is adequately tensioned when
you can pull it vertically approximately. 0,5-1 cm by hand.
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9. Unlock EMERGENCY STOP switch -15S7 or -150S3 by turning
the back ring in the direction of the arrow. No movement
must be seen.
10. Push the blue button Emergency Reset -15SB/-15P12 to allow
new operation of the probe retractor and air blaster probe
blow-back.
11. Manually unlock the shutter
12. 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.
13. Switch system to Auto mode on the HMI
Path: Home ► Auto
14. Operation/Service Mode -50S15 switch must be switch back
to Operation Mode
will modify the tension to the chain.
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