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PART IV: MAINTENANCE
Thecnical procedure of self cleaning filters substitution (valid for all models)
1 Close the bowl valve before the self cleaning filter
2 Switch off any electrical equipment on board on the filter (example motorization or heaters)
WARNING! Drain the system by unscrewing the drain screw on the bottom of the self cleaning filter
3 Disconnect the outlet pipe from the cover of the self cleaning filter
4 Remove the cover with all the filter pack, leaving only the bowl on the line
5 Clean any residue on the bottom of the bowl and clean the seat of the O-ring seal
WARNING! Replace the O-ring seal between the bowl and cover
6 Insert the filter pack again making sure to respect the correct inlet/outlet direction or any references on the cover and tray
7 Replace the filter by following the reverse order operations
8 Make sure there is no leakage and give the power to any electrical equipmente on the filter
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.
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.
3
position
4
to push
5
48
6
7
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