Smeg Classic Manual page 38

Lubrication of gas cocks
Over time the gas cocks may become
difficult to turn and get blocked. Clean them
internally and replace the lubrication
grease.
The greasing of the gas cocks
should be performed by
authorised persons.
Burner and nozzle characteristics table
1 ULPG 2.75 kPa
Nominal gas consumption (MJ/h)
Injector (1/100 mm)
2 NG 1.0 kPA
Nominal gas consumption (MJ/h)
Injector (1/100 mm)
40
Installation
Overall dimensions
Location of gas and electrical connection
points.
A
B
C
D
AUX SR
4.0 6.5
54 68
AUX SR
4.5 7.5
90 120
40 mm
618 mm
124 mm
12 mm
R UR2
10.8 15
88 105
R UR2
12 15
155 175