Installation and operating instruction
Gas burner WG40…/1-A ZM-LN
9 Servicing
83300002 1/2019-02 La
74-128
9.4 Set mixing head
Observe notes on servicing [ch. 9.1].
The distance between diffuser and flame tube front edge S1 can not be measured
with the burner mounted. This is only possible indirectly with the mixing head re-
moved, with dimension Lx.
Dimension Lx changes according to the combustion head extension used.
Remove mixing head [ch. 9.3].
Turn setting screw
1
until the indicating bolt
5
is flush with the nozzle as-
sembly cover (dimension X = 0 mm).
Check dimension Lx.
If the value measured deviates from dimension Lx:
Undo screws
2
.
Adjust flame tube
3
until dimension Lx has been reached.
Re-tighten screws
2
.
If the screws
2
have been loosened:
Check position of electrodes and gas orifices
4
.
Lx = 5
08 mm
S1 = 25 mm
~
3
2°
70 mm
X
Lx
2
3
4
5
1
