Head Assembly/Electrode Replacement - Riello G30 MRBLU CF Installations, Gebrauchs Und Wartungsanweisungen

Use the template 2) supplied (Fig. 26) to check that the

head assembly is placed correctly 1), following the instruc-
tions indicated in Tab. B.
Model
G30 MRBLU
G40 - G50 MRBLU
2
A Combustion head adjustment
B Slot adjustment
A
B
D9473
Thread the wires 5) (Fig. 27) in the electrodes 12), and

check that the seal between cable-electrode terminals is
properly fixed (if necessary, fasten the cable terminals);
then, protect the terminals with the insulating tubes.
D9491
Fit the blast tube 2) (Fig. 24) and fix it with the screw 3) with

a tightening torque not exceeding 0.8 Nm, being careful to
adjust the op ening of slots as in dicated in Tab. A page 16
(use the template supplied) (Fig. 26).
Maintenance
mm
2,5 mm
4 mm
Tab. B
1
m m
Fig. 26
5
12
Fig. 27
Fix the sleeve 11) (F ig. 28) following the i ndications in the

figure.
9.3.3

Head assembly/electrode replacement

To access the head assembly/electrodes, follow these instructions:
remove the flange-fixing nut and pull out the burner;

hook the burner onto flange 1) (Fig. 29), undo the screws 3)

and pull off the blast tube 2);
loosen the screw 8) and take out the combustion head 7)

from the nozzle holder 9) trying to slide off the wires 5) from
the electrodes;
replace the combustion head 7);

refit in the reverse order as described in paragraph

9.3.2 "Nozzle replacement" at page 22.
7
1
D9496
23
GB
11
D9499
Fig. 28
2
8
5
3
Fig. 29
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