Should it be found that the gas taps are difficult to turn, most probably they require
lubrication. This should be done immediately this problem has been noticed as follows.
– Turn off the gas supply to cooker.
– Remove all control knobs.
– Remove control panel.
– Unscrew the two screws which mounts the gas tap to the gas rail.
– Remove the circlip and ignition switch from the front of the gas tap.
– Disassemble the body of the tap.
– Clean cone and housing with cloth soaked in thinners or similar, re-grease as required
with a special gas tap grease.
– Put cone back in housing and rotate a number of times. Remove cone and take off any
excess grease, making sure that gas passages are clear.
– Reassemble all pieces in opposite order to disassembly.
The operations must be executed by a qualified technician.
Lubrication of the gas taps
Table for the choice of the injectors
I
NCREASE OF AIR NECESSARY FOR GAS COMBUSTION
(2 m
3
/h x kW)
BURNERS
Air necessary for combustion [m
3
/h]
Auxiliary (A)
2,00
Semi-rapid (SR)
3,50
Rapid (R)
6,00
BURNERS
Auxiliary (A)
1,00
0,30
28
50
72
Semi-rapid (SR)
1,75
0,45
32
65
97
Rapid (R)
3,00
0,75
42
85
115
Nominal
Power
[kW]
Reduced
Power
[kW]
Ø injector
[1/100 mm]
By-pass
[1/100 mm]
Ø injector
[1/100 mm]
By-pass
[1/100 mm]
GB
Cat:
II
2H3+
adjustable
G 20
20 mbar
G 30
- 28-30 mbar
G 31
- 37 mbar
26