Unigas TLX2020, Installation Manual

Page: 36 / 60

PART IV: MAINTENANCE
36
MultiBloc MBE
MultiBloc VD Mounting
Removing the combustion head

Remove the cover
C
.

remove the electrodes cables;

unscrew the 3 screws
V
which hold in position the gas manifold
G
and pull out the complete group as shown in the picture below.

Clean the combustion head by a compressed air blow or, in case of scale, scrape it off by a scratchbrush.
Note:
to replace the combustion head reverse the procedure described above having care to place correctly the O ring (
OR
) between
burner and gas manifold.
Fig. 8
Key
VRT Head adjusting screw
AR Threaded rod
V Fixing screw
G Gas manifold
OR ”O” ring
C Cover
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
V
C
G AR
OR
VRT