Securing The Burner To The Boiler - Riello G490 MXK Installation, Use And Maintenance Instructions

4.6

Securing the burner to the boiler

Provide an adequate lifting system.
The burners are supplied with the combustion head and elec-
trodes already assembled.
The seal between burner and boiler must be
airtight.
WARNING
Before fixing the burner to the boiler, make sure the probe and
electrodes are positioned correctly as in Fig. 10.
In order to fix the burner to the boiler, proceed as follows:
 Secure the pipe of the train 18) to the threaded joint of the
gas mixer 21) using a suitable sealant for the gas seals.
 Fix the gas valve 20) to the flange (Fig. 11) using the 4
screws 18)(Fig. 11) supplied as standard.
 Be aware of the presence of the gasket 19)(Fig. 11) and the
gas seal.
 Screw the studs 2)(Fig. 12) onto the boiler plate 1)(Fig. 12).
 Position the refractory gasket 3)(Fig. 12) and the silicone
rubber gasket 4)(Fig. 12).
 Fix the flange 4)(Fig. 12) to the boiler plate and tighten the
nuts 5)(Fig. 12).
 During this operation, take care not to touch the electrode
unit.
20113083
Installation
D8666
20047399
20 19
4 3
5
12 GB
21
18
2 1
6 mm
Fig. 10
20079511
Fig. 11
Fig. 12