Securing The Burner To The Boiler - Riello GAS 8 P/M Installation, Use And Maintenance Instructions

5.5.3

Securing the burner to the boiler

Provide an adequate lifting system.
 Separate the combustion head as shown:
- Remove the screws 5)(Fig. 13) from the two slide bars 6).
- Remove the pin 2) and disengage the head control rod 11).
- Remove the screw 3) and disengage the gas butterfly
valve control rod 4).
- Remove the screws 7) securing the fan to the combustion
head.
- Draw the burner back by about 100-120 mm.
- Remove the screws 12) and disengage the shifting fork 8).
- Now remove the burner from the slide bars 6) completely;
by removing the burner, also the gas tube 9) will slide out
of the elbow 10).
 Before securing the combustion head to the boiler, make
sure the probe and electrode are positioned correctly as in
(Fig. 14 on page 19). If the position is incorrect, remove the
elbow 10)(Fig. 13) from the pipe coupling 13).
The seal between burner and boiler must be
airtight.
WARNING
20148758
Installation
Do not rotate the probe but leave it as in Fig. 14; if
it is too close to the ignition electrode, it could
damage the control box amplifier.
CAUTION
 Fix the blast tube to the boiler plate (Fig. 12 on page 17),
inserting the supplied insulating flange gasket 14)(Fig. 13).
 Use the 4 screws, also supplied, after protecting their thread
with anti-locking product.
 The seal between burner and boiler must be airtight.
 Adjust the combustion head as described below.
 Then refit the burner on the slide bars 6)(Fig. 13) and the
gas tube 9) into the elbow 10).
 Leave the burner open by about 100-120 mm.
 Refit the fork 8)(Fig. 13) fixing it with the screws 12).
 Close the burner.
 Tighten the screws 7)(Fig. 13) securing the fan to the com-
bustion head.
 Fit the retainers and the screws 5)(Fig. 13) to the two slide
bars 6).
 Engage the rods 4) and 11) again.
18 GB
D48
Fig. 13