Gas/Gas?
3 + 1 Nm
12.3 Check electrodes
12.2 Calling up the last saved fault
ÿ Remove the electrode set with the seal and check the electrodes for dirt
and clean or replace if necessary.
ÿ Use thermal paste 8719918658.
ÿ Use approved greases:
ÿ Only use original spare parts (see spare parts catalogue).
NOTE: Notes for the target audience.
After inspection/maintenance
ÿ Retighten all loosened screw connections.
LAST FAULT can be called up.
ÿ Inform the operator of the consequences of inadequate or
missing inspection and maintenance.
ÿ Check the cover plate for leaks.
WARNING: Risk of explosion from flammable gases.
ÿ Check the separation points for leaks.
Figure 40 Leak test
ÿ Check the heating block at least every 2 years and,
• The following measuring devices are required:
ÿ Carry out a leak test after working on gas
ÿ Reassemble the electrode set.
Inspection and Maintenance | 31
– Pressure gauge 0 - 30 mbar (resolution at least 0.1
mbar)
– Screw connections: HFt 1 v 5 (8709918010).
You can find an overview of the faults starting on page 36.
NOTICE: Damage to the seal.
ÿ The last fault saved can be viewed in the service menu under > INFO >
If the cover plate is not tightly seated, the seal can burn.
Inspection and maintenance may only be carried out by an
authorized specialist company. The manufacturer's
maintenance instructions must be observed. Non-observance
can result in property damage and personal injury up to and
including death.
ÿ Put the device back into operation (ÿ page 18).
ÿ Removed seals and O-rings with new parts
– For parts in contact with water: Unisilkon L 641
ÿ Inspect the heating system at least once a year and carry
out any necessary maintenance and cleaning work.
substitute.
Fig. 39 Mount the electrode set
ÿ Check the gas/air ratio.
NOTE: Tools for inspection and maintenance.
ÿ Eliminate any defects immediately.
ÿ Check the electrode set for leaks.
ÿ Close the gas tap before working on gas-carrying parts
len.
We recommend replacing the seal every 4 years.
leading parts.
– Electronic flue gas meter for CO2, O2, CO and flue gas
temperature
(8709918413)
clean if necessary. We recommend an annual check.
6720813046-63.2TD
6720813046-64.2TD
Cerapur GC9000iW
6720813052 (2016/10)
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