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1
2 3
E
Key
1 Inlet
2 Return
3 Lance opening
4 Heating wire (only for oil viscosity > 110 cSt @ 50 °C)
5 Cartdrige-type heater
H Cover
L Oil lance
E Oil piping connections
Removing the oil gun, replacing the nozzle and the electrodes
ATTENTION: avoid the electrodes to get in touch with metallic parts (blast tube, head, etc.), otherwise the boiler operation
would be compromised. Check the electrodes position after any intervention on the combustion head.
To remove the oil gun, proceed as follows:
1
remove the combustion head as described on the previous paragraph;
2
loosen the VU screw and remove the oil gun: check the oil gun, replace it fi necessary;
3
after removing the oil gun, unscrew the nozzle and replace it if necessary;
4
in order to replace the electrodes, unscrew the VB fixing screws and remove them: place the new electrodes being careful to
observe the measures shown on next paragraph: reassemlbe following the reversed procedure.
Caution: adjust the nozzle position, by means of the VU screw.
H
L
Fig. 21
VU
C.I.B. UNIGAS
5
4
1
2
3
VB
Fig. 23
29
5
1
2
3
Fig. 22
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