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Operation
These cams were set at the factory but must be adjusted after final installation to
maximize efficiency of chemical use (see section
4.1.1 Cam Adjustment.)
3.2.3. Proper Filling
The number 4 cam determines the amount the machine is automatically filled each cycle.
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 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: The 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 35 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 drain screen, and back to the pump.
A 115-volt, 1 HP motor operating at 3450 RPM, drives the pump. The impeller is mounted
with a right-hand thread onto a 5/8” stainless steel shaft, which is coupled to the motor
armature shaft.
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 GL-X INSTALLATION & OPERATION MANUAL Rev. 1.01 –08/04/05 PAGE
9