Unigas RN510, Installation, Use & Maintenance Manual, Page: 32 / 138

PART III: MAINTENANCE
32

Removing the combustion head

Remove the cover H.

Slide the photoresistor out of its housing.

Unscrew the oil connections E (Fig. 26) connecting the flexible pipes to the gun L and remove the whole assembly as shown in Fig.
26-Fig. 27.

clean the combustion head by means of a vacuum cleaner; to scrape off the scale use a metallic brush.
Note: to replace the combustion head reverse the procedure described above.
Self-cleaning filter
Fitted only on high viscosity oil burners. Periodically turn the knob to clean the filter.
Key
1 Inlet
2 Return
3 Lance opening
4 Heating wire (only on high density oil burners)
5 Cartdrige-type heater
H Cover
L Oil lance
E Oil piping connections
H
E
3 2 1
L
3 2 1
3
2
1
5
4 5