Maintenance Position; Access To The Fan; Nozzle Replacement - Riello G30 MRBLU BF Installation, Use And Maintenance Instructions

9.3

Maintenance position

9.3.1

Access to the fan

Perform maintenance work only when strictly nec-
essary, taking great care not to damage or unbal-
ance the fan during cleaning.
CAUTION
Proceed as follows:
 remove the cover 1) (Fig. 24) and undo the fixing nuts to the
flange and remove the burner;
 hook the burner onto flange 1) (Fig. 25).
NOTE:
Take careful note of the original position before beginning
any of these operations.
 Loosen the four screws 2) and remove the casing
assembly 3).
 Loosen the three screws 4) and remove the air suction
unit 5).
The fan can now be cleaned, vacuuming out any dirt, taking care
the dirt does not enter the air circuit.
 Refit with the procedure described above reversed, reposi-
tion the air suction unit 5) and the casing assembly 3), as it
was originally, being very careful not to ruin the casing gas-
ket.
 Tighten the three screws 4), with a torque no higher than
0.8 Nm.
1
2
4
2
D4557
9.3.2

Nozzle replacement

Do the following to access the nozzle:
 remove the flange-fixing nut and pull out the burner;
 hook the burner to the flange 1) (Fig. 25) and loosen the
screws 3);
 take out the blast tube 2) and the sleeve 11) from the collar 4);
 loosen the screw 8) and take out the head assembly 7) from
the nozzle holder 9) trying to slide off the wires 5) from the
electrodes;
Maintenance
 replace the nozzle 6).
HOLD
SPANNER (Fig. 25).
WARNING
 Refit the combustion head 7) and fix it with the screw 8) in
the nozzle holder discharge 9) after making sure that the
glass 10) on the combustion head 7) is oriented in such a
way that its axis corresponds with the reference mark on the
collar 4) (Fig. 26).
1
9
3
2 3
4
5
2
4
10
Fig. 24
4
23 GB
THE NOZZLE HOLDER
7
10
D9500
D9490
WITH A
11
2
8
6
5
4
Fig. 25
Fig. 26
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