Close The Cut-Off Cock Upstream The Machine (Fig. 1); Replacement Of Pilot Burner Injector; Close The Cut-Off Cock Upstream The Machine - MBM GF4772V Instructions Pour L'installation

6.
GAS TYPE CHANGEOVER
6.4 REPLACEMENT OF BURNER INJECTOR
•

Close the cut-off cock upstream the machine.

• Unscrew the injector (Fig. 3)
• Replace the injector (Fig. 1) with the one corresponding to the selected gas accor-
ding to what reported in the reference Table (see Gas reference Table).
• Screw the new injector.
6.5 ADJUSTMENT OF MAIN BURNER
For primary air adjustment:
• Close the cut-off cock upstream the machine.
• Unscrew the locking screw (Fig. 1).
• Where required set the distance (X) mm of the bushing corresponding to the se-
lected gas (see Gas reference Table).
Block the bushing with the screw and put a tampering detecting seal on it
• Open the cut-off cock upstream the machine
• Turn on the pilot burner and the main burner according to the instructions described in the ignition chapter
THE PRESENT MANUAL IS PROPERT Y OF THE MANUFACTURER. ANY REPRODUCTION, EVEN PARTIAL, IS PROHIBITED.
Fig. 1
Fig. 3
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Fig. 1
Fig. 3
Fig. 1
X