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6
SECTION 1
DESCRIPTION
III. COMPONENT FUNCTION
A. Conveyor Motor and Conveyor Belt
The conveyor belt is driven by a variable-speed electric
motor (Figure 1-7) operating through a gear reducer. The
motor speed is controlled by a digital control. The stain-
less-steel wire belt can travel in either direction at variable
rates ranging from 3 minutes to 30 minutes; this is the time
that a product can take to pass through the oven.
B. Blower Fan
The blower fan is located at the rear of the oven. This
blower forces heated air through the air fingers. The
BLOWER switch must be set to “ON” or “I” for oven
warmup and baking.
C. Gas Burner
Turning the HEAT switch to “1” activates the oven purge
circuit. After approximately 30 seconds, the solid-state
ignition control lights a pilot burner by an electric spark.
This system permits the main gas valve to open
only after
the lighting of the pilot burner is detected by the flame
sensor.
If the pilot flame does not light or a loss of flame occurs,
the main gas valve closes.
The main burner gas is extinguished when the HEAT
switch is set to “OFF” or “O”.
D. Window
A window on the front of the oven permits viewing the items
being baked and provides access to the oven for items that
do not require full baking time, such as sandwiches,
cookies, small items, or cheese-melting processes.
Figure 1-7. Machinery Compartment
Components
Left Control Box
Right Control Box