Installation and operating instruction
Oil burner WL40Z-A
9 Servicing
83298002 3/2019-11 La
64-112
9.4 Replace nozzles
Observe notes on servicing [ch. 9.1].
Do not clean nozzles, always fit new nozzles.
Hinge open the burner [ch. 9.3].
Unplug ignition cable
5
.
Undo screw
4
and remove diffuser.
Counter-hold on the nozzle assembly
3
using a spanner and remove the
nozzles.
Fit new nozzle ensuring it is seated tightly.
Refit diffuser in reverse order.
Set nozzle distance [ch. 9.7]
Set ignition electrodes [ch. 9.5]
1
2
4
3
5
1
Stage 1 nozzle
2
Stage 2 nozzle