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109
Fig. 5.5
Fig. 5.6
A
REGULATING THE BURNER
MINIMUM SETTING
When switching from one type of gas to
another, the minimum flow rate must
also be correct: the flame should not go
out even when passing suddenly from
maximum to minimum flame.
To regulate the flame follow the instruc-
tions below:
– Light the burner.
– Set the cock valve to minimum.
On gas valves provided with adjust-
ment screw in the centre of the shaft
(fig. 5.5):
– Using a screwdriver with max. diame-
ter 3 mm, turn the screw inside the tap
until the correct setting is obtained.
On gas valves provided with adjust-
ment screw on the valve body (fig. 5.6):
– Turn the screw “A” to the correct set-
ting with a screwdriver.
– In the models with ignition incorporat-
ed in the knob access to screw “A” is
through a hole in the microswitch.
For G 30/G 31 gas, tighten the adjust-
ment screw completely.
LUBRICATING THE GAS
TAPS
If one of the gas taps becomes hard to
turn, dismantle it, thoroughly clean with
petrol and apply special high-tempera-
ture grease.
Warning!
These operations must be performed by
a specialised engineer.
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