Vermont Casting VM508 - Manual (Page 29)

50004425
Maintenance
BURNER ADJUSTMENT
It may be necessary to adjust the burners periodically, to compensate
for variables in gas characteristics. If you notice the burner flame pat-
tern is irregular (Refer to Figures 9a, 9b & 9c), it may be necessary
to adjust the air shutter opening at the front of the venturi tubes.
• The shutters are accessible under the control panel at the front of
the Grill. (Fig. 20)
• Use a screwdriver to loosen the locking screws. Open the shut-
ter just enough to achieve the desired soft, blue flames. Make
adjustments in small increments and allow the burner to come up
to operating temperature (10 min.) before making further adjust-
ments.
Always allow sufficient time for the Grill to cool to a safe tempera-
ture before handling or cleaning any of its components.
If burners are removed for cleaning or adjustment, always
confirm that they have been reinstalled correctly over the valve
outlets. (Fig. 21) The valves should extend into the burner
venturis 1/4” minimum.
Similar adjustment can be made to Rotisserie and/or Side
Burners, if so equipped.
Page 21
Care & Maintenance
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Loosen the
Locking Screw
Turn Shutter
Clockwise to Open
B139
Figure 20
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1/4” Minimum
B140
Figure 21
Venturi Tube
Valve Outlet
NOTICE
NOTICE
WARNING