REPLACING THE PILOT BURNER NOZZLE (Fig. 6)
ADJUSTING PRIMARY AIRSUPPLY TO MAIN BURNER (Fig. 5)
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Unscrew the bolt (Ref. D) that fixes the bush that adjusts the primary air supply (Ref. C).
-
Position the bush (Ref. C) at distance "X" according to the type of gas installed (see 'primary air ' on
the specifications table).
-
Tighten the fixing bolt again (Ref. D).
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Seal the adjusted part with tape to prevent tampering.
N.B.: the primary air supply has been correctly adjusted when it can be guaranteed that the flame will not
detach it self when the burner is cold and if there is no blow-back when the burner is hot.
Once the gas conversion operations have been completed:
C
-
heck the dismantled parts for leaks using soapy water or foam products. DO NOT SEARCH FOR LEAKS
WITH NAKED LIGHTS.
Carry out a check of the pressures came in as indicated in chapter "CHECKING GAS PRESSURE".
-
Apply the sticker on the equipment indicating the new type of gas used.
-
The nozzles and the adhesive labels are supplied as original equipment
-
Unscrew screwed-on cap (Ref. 2), remove the
nozzle (Ref. 3) and replace it with one that is
suitable for the type of selected gas specified on
the data table T2.
-
Refit the screwed-on cap.
-
Use a foam product to check that the cap does
not leak.
After converting or adapting for the gas, the plate
specifying the type of nozzles used MUST beef fixed
above the rating plate.
.
Pag. 15