9
x
Service and maintenance
FA ROTEX A1 BOe - 02/2014
47
9.2.8 Replacing the oil nozzle and ignition electrodes
Requirement:
Burner is in service position (see chapter 7.4).
Replacing ignition electrodes
If the ignition electrodes are worn out, they must be replaced.
Ɣ
Release the fixing screw (fig. 9-16, pos. 6) with Allen key
SW 3.
Ɣ
Replacing ignition electrodes
Ɣ
Tighten fixing screw with Allan key SW 3.
Removing oil nozzles
1. Pull out ignition cables from ignition electrodes (fig. 9-16,
pos. 2).
2. Loosen fixing screws (fig. 9-163, pos. 3) and pull out mixing
device upwards.
3. Unscrew nozzles with wrench or ring spanner SW 16. Hold
back the nozzle rod with an open-end wrench SW 16.
Fitting oil nozzle
1. Screw in the oil nozzle with open end or ring spanner SW 16
on the nozzle rod. Hold back the nozzle rod with an open-end
wrench SW 16.
2. Fitting mixing device. Thereby, position the light tube
(fig. 9-16, pos. 4) between the guide pins in the nozzle lid
(see fig. 7-2, pos. 21). Distance oil nozzle / air nozzle setting
(see tab. 7-1, dimension "Y"),
3. Plug on ignition cable on the ignition electrodes.
WARNING!
Danger of burning - hot surfaces.
Ɣ
Before starting work on burners and combustion
chamber, allow them to cool down sufficiently.
Ɣ
Wear protective gloves.
1
Mixer device
2
Ignition electrode
3
Fixing screw
4
Licht tube
5
Nozzle linkage (oil preheater)
6
Fixing screw for ignition elec-
trodes
Fig. 9-16 Mixing head and ignition electrodes
To protect the oil pump, either insert the enclosed
micro-replacement filter insert
MC-7
, (
15 60 13
) for
short filter cups or the
MC-18
, (
15 60 14
) for long
filter cups in the ventilation oil filter. Only use filters of
maximum 25
μ
m.
