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4.5
Securing the burner to the boiler
4.5.1
Boring the boiler plate
Drill the combustion chamber mounting plate as shown in Fig. 11.
The position of the threaded holes can be marked using the head
gasket supplied with the burner.
D455
inch
A
19 /32"
RL 70/E
8
RL 100/E
8
19 /32"
19 /32"
RL 130/E
8
4.6
Securing the burner to the boiler
Disassemble the blast tube 9)(Fig. 12) from the burner 6) by pro-
ceeding as follows:
loosen the four screws 3) and remove the cover 1).
Remove the screws 2) from the two slide bars 5).
Remove the two screws 4) fixing the burner 6) to the flange 7).
Withdraw the blast tube 9) complete with flange 7) and slide
bars 5).
B
13 /16"
15 /32"
12
- 14
12
13 /16"
- 14
15 /32"
13 /16"
15 /32"
12
- 14
1
20108185
Installation
4.5.2
Length of the blast tube
The length of the blast tube must be selected according to the indi-
cations provided by the manufacturer of the boiler, and in any case
it must be greater than the thickness of the boiler door complete
with its refractory.
The available lengths L are those indicated in the Tab. K.
Model
RL 70/E
RL 100/E
RL 130/E
Fig. 11
For boilers with front flue passes 12)(Fig. 12) or flame inversion
chambers, protective insulation material 10) must be inserted be-
C
tween the boiler refractory 11) and the blast tube 9).
½ W
This protective insulation must not compromise the extraction of
½ W
the blast tube (Fig. 12).
½ W
For boilers having a water-cooled front the insulation 10)-
11)(Fig. 12) is not required unless it is required by the boiler man-
Tab. J
ufacturer.
The burner-boiler seal must be airtight.
WARNING
5
2
3
4
6
7
8
19
GB
Long blast tube
Short blast tube
23 /32"
10
10
23 /32"
10
23 /32"
12
11
10
9
L
12
(with kit)
5 /32"
15
15
5 /32"
15
5 /32"
Tab. K
Fig. 12
20103379
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