USER INTERFACE
5-3
Models 750, 751, 754, 774, 791, and 794
User Interface
5
AUTO Button
When the AUTO button is pressed, the light comes on.
This indicates that the main refrigeration system has
been activated. In the Auto mode, the Wash or Standby
functions are automatically canceled. The Mix
refrigeration function is automatically locked in to
maintain the mix in the mix hopper.
Note: An indicating light and an audible tone will sound
whenever a mode of operation has been pressed. To
cancel any function, press the button again. The light and
mode of operation will shut off.
RESET Button
On counter models, the RESET button is located on the
side of the machine. On console models, the RESET
button is located in the service panel. The reset protects
the beater motor from an overload condition. If an
overload occurs, the reset mechanism will trip. To
properly reset the freezer, press the AUTO button to
cancel the cycle. Turn the power switch to the OFF
position. Press the RESET button firmly.
DANGER! DO NOT use metal objects to press
the RESET button. Failure to comply may result in severe
personal injury or death.
Turn the power switch to the ON position. Press the
WASH button and observe the freezer's performance.
Open the side access panel. Make sure the beater motor
is turning the driveshaft in a clockwise direction (from the
operator end) without binding.
If the beater motor is turning properly, press the WASH
button to cancel the cycle. Press the AUTO button to
resume normal operation. If the freezer shuts down
again, contact a service technician. (For Models 754,
774, 791, and 794, press the AUTO button on both sides
of the machine to resume normal operation.)
Air Tube
The air tube serves two purposes. One end of the tube
has a hole, and the other end does not.
Figure 5-3
1. After priming the machine, lubricate the O-rings on
the air tube (the end with the hole) and place it into
the mix inlet hole. Every time the draw handle is
raised, new mix and air from the hopper will flow
down into the freezing cylinder. This will keep the
freezing cylinder properly loaded and will maintain
overrun.
2. During long no sale periods, remove the air orifice.
Lubricate the O-rings on the air tube (the end
without the hole), and place it into the mix inlet hole.
This will prevent any mix from entering the freezing
cylinder.
Important! Make sure the level of mix in the hopper
is below the mix delivery hole in the feed tube.
Failure to follow this instruction may result in lower
product quality when normal operation is resumed.
The air orifice is used to meter a certain amount of air
into the freezing cylinder. The air orifice maintains
overrun and allows enough mix to enter the freezing
cylinder after a draw.
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