18
ALIGNMENTS AND ADJUSTMENT, Continued
Oven Pilot
The oven pilot is located along the left hand side of the oven burner. It is fastened under
the flame safety probe. The flame of the oven pilot ignites main burner gas when the
oven is turned on. If the pilot flame is not present, the flame safety device will not allow
pilot gas or main burner gas to flow.
Pilot flame size is set by the adjustment screw located along the side of the thermostat.
The outer tip of the flame should just barely reach the underside of the end of the flame
safety probe. The pilot screw must be adjusted if the range is converted to LP gas.
Light the oven pilot as follows:
•
Fully press in and hold the oven control knob to allow pilot gas to flow to the pilot
burner. It will take 30 to 60 seconds to bleed all the air out of the pilot supply line.
•
While pressing in the oven control knob, place a lit match or lighter under the pilot
burner to light it.
•
Once the pilot burner is lit, continue to hold in the oven control knob for at least 10
seconds.
•
If the pilot flame extinguishes when the oven control knob is released, repeat the
above procedure.
•
Adjust the size of the oven pilot flame if needed.
ALWAYS LIGHT THE OVEN PILOT WITH ALL CONTROL KNOBS IN THE “OFF”
POSITION.
Ovens with Electric Glow Bar Ignition:
Ranges equipped with electric ignition have an electric glow bar oven ignition system.
This type of oven cannot adjust gas flow to hold a constant temperature. It operates with
a typical “on-off” cycling temperature. Refer to the page 19 for more information.
Ovens with glow bar ignition have a “shut-off” located at the safety valve in the rear of
the broiler area. Turn the handle on the brass valve fully clockwise to close off gas.
NOTE: In the event of a power failure, a glow bar ignition oven cannot be operated
without electricity supplied to the range.
Oven Ignition
On ovens with pilot ignition, lightly press in the oven control knob and turn it
counterclockwise to the desired temperature setting.
If you press the knob in too far to
the pilot lighting position, the knob will not turn.
Gently let up on the knob, and the
thermostat shaft will release its safety key to let you rotate the control.
On ovens with glow bar ignition, press in the oven control knob and turn it
counterclockwise to the desired temperature setting.
ALIGNMENTS AND ADJUSTMENT, Continued
Hot Oven Restart
If you turn off the oven but then decide to turn it back on before it has cooled to room
temperature, the burner may not light properly. This is due to the thermostat still sensing
a heated oven and not allowing the maximum gas flow rate into the burner. Press in and
turn the oven control knob counter clockwise all the way to the “BROIL” position to
relight the burner. After the burner has ignited, you may adjust the oven control to the
desired temperature.
If the oven burner does not ignite and maintain the flame, one of the following situations
may have occurred.
1.
The pilot burner has gone out.
Relight the oven pilot.
2.
The pilot will not keep the flame safety probe heated.
Adjust the size of the pilot
flame. Or, the thermocouple connection at the thermostat may need to be tightened.
3.
The flame safety probe may not be properly located.
Locate the probe directly
over the pilot burner. On spark ignition ovens, the end of the flame safety probe
must very close to the side of the burner right in front of the flame ports.
4.
The burner is not in its proper position.
Make sure the rear of the burner is seated
on the injector elbow and the front is bolted onto the burner support.
5.
The spark ignitor is defective.
Contact an authorized service technician.
6.
The glow bar ignitor is defective.
Contact an authorized service technician.
6. Oven Burner Air Shutter Adjustment
The oven burner flame should be a clean, blue flame with distinct inner cones
approximately _” long. A soft, lazy flame with indistinct cones means too much gas or
not enough air. A noisy lifting flame means too much air. If adjustments are necessary
you must first loosen the lock screw located at the top of the air shutter, then rotate the air
shutter to correct setting, and retighten screw.
Oven burner flame can be checked as follows (without burner baffle in place):
•
To correct a yellow flame-Increase size of air shutter opening.
•
To correct a lifting, but distinct, blue flame-Decrease size of air shutter opening.
The air shutter should be set approximately 2/3 open for natural gas, and approximately
full open on LP (Propane) gas.
Pilot Burner
Flame Safety Probe
Pilot Flame