Unigas RN510, Руководство по установке, использованию и обслуживанию

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PART III: MAINTENANCE
33
Removing the oil gun, replacing the nozzle and the electrodes
7
To remove the oil gun, proceed as follows:
1
remove the combustion head as described on the prevoius paragraph;
2 loosen the VL screw and remove the oil gun and the electrodes: 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 VE fixing screws and remove them: place the new electrodes being careful to
observe the measures showed on pag.: reassemlbe following the reversed procedure.
Nozzle and ignition electrodes correct position
Place the nozzle according to the combustion head; unscrew VB and move the combustion head. Check the ignition electrodes at the
end of the procedure.
Fig. 26
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.
B C M N E F
3 ÷ 5
mm
3 ÷ 4
mm
10 ÷ 15 mm 10 mm 13 mm 8 mm
VE
VL
B
M
N
E
N