MAINTENANCE
6 720 648 726 (2011/07)
66
13.2.3 REMOVING THE BURNER AND THE BURNER
SEAL
B
Remove the burner seal [1] and replace it if
necessary.
B
Remove the burner plate [2] and clean it on all sides
using compressed air or a soft brush.
When re-installing the burner plate make sure that the
notch is on the right-hand side (
Æ
detailed picture).
Fig. 110 Removing the burner plate and the burner seal
13.2.4 CHECKING IGNITION UNIT
B
Check the individual components of the ignition unit
(
Æ
fig. 112) for wear or contamination (
Æ
fig. 111).
B
If required, replace the ionisation electrode and/or
glow ignitor.
After checking or replacing the ionisation electrode and/
or the glow ignitor fit a new cover plate and rubber seal.
Fig. 111 Checking the ionisation electrode
Fig. 112 Replacing the ignition unit
1
Glow ignitor
2
Ionisation electrode
3
Rubber seal
4
Cover plate with seal
5
Nut
13.2.5 DISCONNECTING THE CONDENSATE TRAP
B
Disconnect the condensate trap hose [3] and the
rubber sleeve [2] from the condensate trap [1].
B
Turn the trap clockwise a quarter turn.
Fig. 113 Disconnecting the condensate trap hose
1
Condensate trap
2
Rubber sleeve
3
Condensate trap hose
CAUTION:
Damage to the glow ignitor.
B
The glow ignitor is fragile. Handle with
care.
NOTE:
If the seat of the cover plate leaks, the seal
can burn away.
B
Check the cover plate for tightness.
DANGER:
B
Close the gas valve prior to working on
components in contact with gas.
B
Check for gas tightness after carrying out
work on components in contact with gas.
6 720 648 726-110.1TD
2
1
7 746 800 040-128.2TD
2
6720615405-035.1TD
3
4
5
5
1
6 720 648 726-113.1TD
3
2
1
Содержание GB162-100
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