Unigas HRX92R-FGR EA Manual Of Installation - Use - Maintenance page 55

Gas - light oil burners
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MultiBloc MBE
MultiBloc VD Mounting
1
2
1. Position VD on VB, fig. 2+3.
2. Slide VD forward up to the stop, fig. 4.
3. Screw VD on with 2 M5 screws for each, max. 5 Nm/44 in.-lb., fig. 5/6.
4. VD can be mounted rotated by 180°, fig. 7.
Light oil filter maintenance
For correct and proper servicing, proceed as follows:
1
cutoff the required pipe section;
2
unscrew the filter cup;
Removing the combustion head
1
Remove the top H.
2
Remove the UV detector out of its housing: disconnect electrode cables and the light oil flexible hoses.
3
Loosen the screws V holding the gas manifold G, loosen the connectors E.
4
Some models are provided with the T baffle. Move the gas manifold ahead and remove the baffle.
5
Pull out the complete group as shown in the picture below.
6
Clean the combustion head by means of a vacuum cleaner; scrape off the scale by means of a metallic brush.
Note: to replace the combustion head, reverse the operations described above.
V
E
3
position
H
G
4
to push
5
3
remove the filtering cartridge, wash it with gasoline;if
necessary, replace it;check the tightening O-rings and
replace them if necessary;
4
replace the cup and restore the pipe line.
55
PART IV: MAINTENANCE
6
7
G
T

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