GB-6
D
GB
F
NL
I
E
Replacing the electrodes
ZAI
7
8
6
9
Loosen the
screw of the
retaining plate
by turning
it approx.
3 turns.
Groove for
correct posi-
tioning of the
electrode.
0
Once the electrodes have been positioned, hand
tighten the retaining plate screw using a spanner
(approx. 3 turns).
▷
After tightening, the electrodes cannot be moved
any more.
ZKIH
6
Undo the backplate bolts, remove seal and back-
plate.
7
Unscrew the ionization and ignition cables.
8
Unscrew the PE wire for burner ground from the
burner.
9
Remove the burner – see page 3 (Installation).
▷
Removal and reassembly of the electrodes is
facilitated, when the body is placed in a vertical
position on a smooth working surface.
1
2
6 mm
22 mm
2 mm
1
2
> 9 mm
1
1
2
2
10
11
15
14
12
17
16
18
13
Loosen the
screws ½ a
turn.
1
2
6 mm
22 mm
2 mm
1
2
> 9 mm
1
1
2
2
10
11
15
14
12
17
16
18
13
ZAI, ZKIH
•
Reconnect the electrode terminal bootl(s).
•
Produce a maintenance report.
When slid-
ing in the
electrodes,
ensure they
are aligned.
For correct positioning, slide
in the electrodes until the
projection of the retaining plate
engages into the groove.
Replace the
electrodes
one after the
other.
Align the insulators.
Slide the front guide lugs as
far as they will go in the direc-
tion of the burner head. Hand
tighten the screw.
For longer burners, slide the
other guide lugs against the
retaining plate. Hand tighten
the screw.
Adjust the
spacing of
the elec-
trode tips.
Slide the rear guide lug as far
as it will go in the direction of
the burner body. Hand tighten
the screw.
Align the spark electrode
and the flame rod
.
