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Operation
These cams were set at the factory but can be adjusted after final installation to maximize
efficiency of chemical use (see section
4.1.1 Cam Adjustment.)
3.2.3. Proper Filling
The amount the machine is automatically filled each cycle is determined by the number 4
cam. When the number 4 cam switch actuator rides down into the cam groove, the
solenoid valve on the fill line is energized causing the machine to fill. Since the cam only
controls the duration of the fill, varying water pressure can vary the amount the machine
fills. If the water pressure at the facility where the machine is installed is enough higher or
lower than the water pressure was at the factory, the number 4 cam may need to be
adjusted to correct the difference (see section
4.1.1 Cam Adjustment). The machine
should be filling to a level about 1” deep over the entire bottom of the wash tank, or just
below the lower wash arm. If the water pressure at the facility varies throughout the day, a
pressure regulator may have to be installed on the water supply line to the machine to
maintain constant pressure.
Note: If the optional sustainer heater is installed, the wash tank must be properly filled,
and the machine properly leveled, or the float switch, which prevents the heater from
turning on if the level is too low, will not permit the heater to turn on.
3.2.4. Water Pump
The water pump takes in water from the drain sump and pumps it to the spray nozzles at a
rate of 68 gallons per minute and a pressure at the nozzles of approximately 7 to 10 PSI.
After being released through the spray arms and washing or rinsing the dishes, the water
runs down the pan to the sump, through the drain screen, and back to the pump.
The pump is driven by a 115 volt, 1 HP motor operating at 3450 RPM. The impeller is
mounted with a right-hand thread onto a 5/8” stainless steel shaft, which is coupled to the
motor armature shaft. See section Error! Reference source not found. Error! Reference
source not found. for a detailed drawing.
3.2.5. Pump Cavitation
By listening to the normal pumping sound of the motor it can be determined if there is
insufficient water in the machine, as you will hear a hesitation in the normal pumping
rhythm, which is created by the air getting into the pump. Cam 4 can be adjusted to
increase the amount of water that is automatically fed into the machine during a cycle (see
section
4.1.1 Cam Adjustment).
MODEL L-1X & L-1X16 Installation & Operations Manual Rev. 1.14 Page9