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23
Linea Plus AG
8.6
Main Burner and Electrodes
Main Burner Part No 0511 N.G. 0512 L.P.G
Spark/Sense Electrode Part No 1838
Refer to figs 28a - 28c.
8.6.1
Gain general access as 8.4.
8.6.2
Remove room sealed front cover as 8.5
8.6.3
Remove front of combustion chamber by re-
leasing screws (fig. 27a&b).
8.6.4
Remove four burner retaining screws (fig.
29a&b). Ease burner forward and rest on cham-
ber base (fig. 28a&b).
8.6.5
Release electrode retaining screws & carefully
remove electrode(s).
8.6.6
Trace electrode and earth lead to electronic
ignition control and gas valve and disconnect
Trace electrode leads, 1 to pcb and 2 to elec-
tronic ignition unit and disconnect.
8.6.7
Remove main burner.
8.6.8
Reassemble in reverse order ensuring correct
location of electrode(s).
Note1. If the Ionisation electrode is replaced
the gas pressures will need resetting as in-
structed in 8.23.
Note 2: If difficulty is found in relocating the
burner securing screws, easier access can be
gained by removing the two side panels
(fig. 28a&b).
Note 3: See page 36 for electrode positioning.
8.7
Main Burner Injectors
8.7.1
Gain general access as 8.4.
8.7.2
Remove room sealed front cover plate and
combustion chamber front (8.5 & 8.6.3).
8.7.3
Remove main burner (8.6.4 to 8.6.8).
8.7.4
Unscrew injector(s) from burner bar.
8.8
Main Heat Exchanger
0513
Refer to fig. 29
8.8.1
Gain general access as 8.4.
8.8.2
Remove room sealed front cover plate (8.5).
8.8.3
Remove front of combustion chamber (8.6.3).
8.8.4
Remove two air baffle plates, 1 screw securing
each (fig. 30).
8.8.5
Remove both side panels, 2 screws each (fig.
28a&b).
8.8.6
Close heating flow and return valves by turning
1/4 turn until indicating lines are horizontal. Pull
lever on head of safety valve to drain primary
circuit to boiler.
8.8.7
Place cloth under heat exchanger to catch
surplus water.
8.8.8
Unscrew unions on either side of main heat
exchanger fig. 29a&b.
8.8.9
Slide out main heat exchanger, taking care
not to damage insulation panels. Avoid spillage
of water on boiler electrics.
8.8.10
Reassemble in reverse order using new fibre
washers in unions.
Fig. 28b
Fig. 29a
Fig. 28c
Fig. 28c
Fig. 28c
Fig. 28c
Fig. 28c