Surface Burner Adjustment; Grill/Griddle Burner Adjustment - Viking Range 30” W. Models Installation Manual

SURFACE BURNER ADJUSTMENTS
(For Open Surface Burners)
(See Illustration 2)
To gain access to the surface burner adjustments:
1. Remove the grates, burner caps, bowls and grate supports.
2. Located the air shutter (A) and loosen the screw (B) that holds the air shutter in place.
3. Remove the drip tray, allowing you work space to adjust the orifice hood (C).
4. Replace grate support and burner bowls (this allows for correct air flow, as in normal use).
5. Light each burner by rotating the burner valve shaft (D) to high position.
6. With a proper flame height, adjust the air shutter (A) to obtain a blue flame with no yellow tipping that sits on the
burner at the burner ports.
a) Open the air shutter gap to eliminate yellow tipping.
b) Close the air shutter gap to prevent a noisy flame that lifts off the burner.
7. Turn the surface burners off.
8. Replace the drip tray.
9. Remove grate support and burner bowls.
10. Tighten the air shutter screw (B) being careful to not change the adjusted shutter gap.
11. Replace the grate supports, burner bowls, burner caps, and grates.
12. Turn the lighted burners to the low flame setting.
13. Insert a narrow, flat-blade screwdriver into the hollow shaft of the surface burner valve, and engage the slotted low
flame adjustment screw. The low flame should be a small flame that comes just to the top edge of the burner.
Rotate the adjusting screw (E) clockwise to lower the flame or counter clockwise to increase the flame. Turn the
burner off and relight several times, turning to the low position. The low flame should light at every port each
time. Readjust as needed.

SURFACE BURNER ADJUSTMENT

(For Sealed Surface Burners)
(See Illustration 2)
1. Turn the lighted burners to the low flame setting. Remove the knob.
2. Insert a narrow flat-blade screwdriver into the hollow shaft of the surface burner valve located behind the control
knob and engage the slotted low flame adjustment screw. The low flame should be a small flame that comes just to
the top edge of the burner. Rotate the adjusting screw clockwise to lower the flame or counter-clockwise to
increase the flame. Turn the burner off and relight several times, turning to the low position. The low flame should
light at every port each time. Readjust as needed.
Flame adjustment
screw
Flathead
Surface burner valve
screwdriver
(behind control knob)
Flame Height
12

GRILL/GRIDDLE BURNER ADJUSTMENT

Grill (Illustration #)
1. The grill burner orifice and air shutter are located beneath the front
end of the grill assembly. To gain access to the adjsutments,
remove the grill grate, flavor generator plates, grate support, and
the burner shield.
2. Remove the screw at the front and rear of the burner.
3. Lift the tube burner off the orifice and locate the air shutter
adjustment screw at the end of the burner.
4. Loosen the screw and adjust the air shutter to the desired setting.
(for natural gas open shutter approximately 7/16" [1.1 cm]; for
LP/Propane gas open the air shutter approximately 3/8" [0.98 cm]).
5. Tighten the screw, then replace tube burner on orifice.
6. Check flame for desired height before replacement of the above
parts.
7. Use a 1/2" (1.3 cm) deep socket to adjust the orifice head on Nat.
gas only (LP tighthened to fixed orifice); turn clockwise to decrease
the flame and counter clockwise to increase the flame. With a
proper flame height, adjust the air shutter to obtain a blue flame
with no yellow tipping that sits on the burner at the burner ports.
(a) Open the air shutter gap to eliminate yellow tipping.
(b) Close the air shutter gap to prevent a noisy flame that lifts off
the burner.
TUBE Screw (rear of burner)
BURNER
Griddle (Illustration 4)
1. To gain access to the burner orifice and air shutter, remove grates and grate supports located on either side of the
griddle. Lift and remove griddle. CAUTION: Before fully removing the griddle assembly, lift the griddle assembly
approximately 4" above the griddle box. Carefully remove the temperature probe from the probe bracket. (See
Detail "B") Make note of the position of the temperature probe so it can be reinstalled properly. Failure to
properly reinstall can result in damage to the temperature probe.
2. Carefully remove ignitor and put to the side.
3. Remove the metal plate located below the burner.
4. Remove the screws at the front and rear ofthe burner, remove the burner tube and locate the air shutter adjustment
screw at the end of the burner tube.
5. Flame adjustments are the same as grill - see #4-#7 under Grill.
6. Replace all griddle parts, griddle, grate supports, and grates.
12" Grill Assembly 24" Grill Assembly
1
2
3
4
5
6
1. Grill Grates 5. Grill Burner Sheild
2. Flavor Generator (Do not remove
plates from burner)
3. Heat Deflector 6. Burner
4. Grill Frame (Do not remove)
Illustration 3
Screw (front of burner)
Air shutter
Air shutter adjustment screw
Probe Bracket
Detail B
13