Unigas HRX92R-FGR, Manual Of Installation - Use - Maintenance, Page: 55 / 132

PART IV: MAINTENANCE
55
MultiBloc MBE
MultiBloc VD Mounting
Light oil filter maintenance
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.
position
to push
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.
1
2
3
4
5
6
7
For correct and proper servicing, proceed as follows:
1
cutoff the required pipe section;
2 unscrew the filter cup;
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.
E
V
H
G
T
G