Riello DB 3 LSM C13 Installation, Use And Maintenance Instructions page 36

2.3 Burner components
3
4
1
1 Electrical control box base for electrical connections
2 Air box
3 Cover
4 Sensor
5 Oil delivery pressure gauge
6 Air delivery adjustment cam
7 Servomotor
8 Air pipe attachment flange
5
9
17
14
15
2
8
CHAPTER
12
11
13
16
7
6
9 Oil return pressure gauge
10 Flame inspection window
11 Combustion head
12 Boiler attachment
13 Combustion head air pressure test point
14 Burner opening hinge
15 Gas pressure switch
16 Fuel delivery regulation cam
17 Oil modulator
2
Burner description
20110623
5
10
Fig. 2