To carry out this operation, proceed as follows.
Turn off the gas supply tap.
1)
Open the hatch (A).
2)
Back off the screw (B) which secures the ring
3)
nut (C).
Set the ring nut (C) at the distance (D) shown
4)
in the table.
Tighten the screw (B).
5)
Gas family
II (G25/20-25 mbar)
II (G25.1/25 mbar)
II (G20/20-25mbar)
III (G30-G31/50mbar)
III (G30/ 29 mbar)
III (G31/ 30-37 mbar)
III (G30-G31/36mbar)
To carry out this operation, proceed as follows.
Fit the spanner (A) onto the hexagon (B).
1)
Keep a fi rm grip on the spanner (A) and undo
2)
the locking screws (C).
Turn the spanner (A) clockwise to load the
3)
spring or anti-clockwise to release it ( left hand)
and anti-clockwise to load the spring or clock-
wise to release it ( right hand).
C
B
A
3320160_inst_GB_rev.1
ADJUSTING BURNER PRIMARY AIR
Distance (D) (mm)
+0
26
- 1
+0
26
- 1
+0
26
- 1
+0
26
- 1
+0
21
- 1
+0
21
- 1
+0
21
- 1
ADJUSTING THE LID COUNTER-BALANCING
A
After making the setting, seal the screw with
6)
paint.
Close the hatch (A) when the operation is
7)
complete.
Once the correct balance is obtained, screw in
4)
the screws (C) without tightening them fully.
Use the spanner (A) to turn the shaft until it is
5)
located in one of the seats provided.
Fully tighten the screws (C).
6)
- 15 -
B
C
D
C
B
A
ENGLISH
GB