76
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 maxi-
mum 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.
For G 30/G 31 gas, tighten the adjust-
ment screw completely.
Fig. 5.5
Fig. 5.6
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.
A