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H SERIES SERVICE & PARTS
PILOT BURNER ADJUSTMENTS
NOTE: All pilot adjustments are to be performed only
by certified Vulcan service representatives.
OPEN TOP BURNER PILOT ADJUSTMENTS
TOOLS: Standard screwdriver.
After pilot is lit, turn the open top burner(s) ON. Adjust the
flame if necessary. To adjust, rotate the pilot valve
adjustment screw provided on the unit manifold pipe.
Turn the burner ON; burner flame should appear on the
burner head within a second. Rotate the screw clockwise
to decrease and counterclockwise to increase the flame.
Check the open top burner nozzle relationship. The
burner nozzle should enter approximately
1
⁄4" inside the
burner venturi (Fig. 2).
Fig. 2
HOT TOP AND GRIDDLE TOP PILOT
ADJUSTMENTS
TOOLS: Standard flat blade screwdriver.
After pilot is lit, adjust the burner flame, if necessary. This
is accomplished by rotating the adjustment screw of the
pilot valve located on the manifold pipe. Turn the burner
ON; burner flame should appear on the burner head
within a second. Rotate adjustment screw clockwise to
decrease and counterclockwise to increase the flame.
OVEN ADJUSTMENTS
TOOLS: Standard flat blade screwdriver.
There are two different adjustments to check for in the
oven section: pilot safety, and bypass.
Pilot Safety Adjustment
With control panel cover removed, light the oven pilot as
explained in the oven lighting instructions. If pilot goes
out, increase the pilot safety adjustment until the flame
completely engulfs the safety device sensing bulb. The
safety adjustment screw is located on the safety control
below the red button.
Bypass Flame Adjustment (Oven and
Thermostatically Controlled Griddle)
NOTE: This adjustment must be made at time of appli-
ance installation.
Ignite oven/griddle burner pilot. With oven/griddle cold,
turn the thermostat dial slowly clockwise until main burner
gas is heard snapping ON. Remove the dial. With a
screwdriver, turn the bypass adjustment screw (Fig's. 3
& 4) counterclockwise to increase the bypass flame, or
clockwise to decrease it, until flame over the entire burner
is approximately
1
⁄8" high. The bypass adjustment screw
is located to the left-hand side of the thermostat control
for the oven section, and on top of the thermostat control
for the griddle. After adjustment has been made, replace
dial.
Fig. 4