Installation and operating instruction
Oil condensing boiler WTC-OB 18-B
9 Servicing
83311002 1/2018-03 La
80-132
9.10 Replace oil nozzle
Observe notes on servicing [ch. 9.1].
Do not clean nozzles, always fit new nozzles.
Place burner into service position A [ch. 9.4.1].
Unplug ignition cable
3
.
Undo screw
2
and remove mixing head
1
.
Counter-hold on the nozzle body
4
using a spanner and remove nozzle
5
.
Fit new nozzle ensuring it is seated tightly.
Fit mixing head up to stop and secure.
Plug in ignition cable.
Check nozzle distance [ch. 9.6].
Check setting of ignition electrodes [ch. 9.8].
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2
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