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Manual de usuario CMA Dishmachines, modelo L-1X

Fabricar: CMA Dishmachines
Tamaño del archivo: 1.05 mb
Nombre del archivo: CMA-L1X-Manual.pdf
Idioma del manual:en
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Resumen del manual


Properly pre-scrapping the dishes should permit the dishmachine to operate for an entire shift before needing to remove and clean the drain screen. 3.2.2. Proper Chemical Dosage The amount of chemical delivered, whether it is detergent, sanitizer or rinse aid, is determined by its respective cam on the cam timer. • Cam number 2 runs the detergent pump • Cam number 5 runs the sanitizer pump • Cam number 6 runs the rinse aid pump 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). 4. Maintenance The maintenance procedures detailed in this section are to be performed by qualified personnel. 4.1. Timer assembly The standard timer assembly consists of a . RPM (2 minutes per revolution) motor turning a common shaft, which, in turn, rotates eight cams. As the cams rotate, they control various functions and the sequence of the operational cycle. The individual function of each of the 8 cams is identified by a label on the timer assembly. Cams 1 through 8 are positioned from left to right beginning with the “START” cam (cam 1). HEATERMOTORPAUSERINSESANI.FLUSHDRAINDET.START Timer Assembly Label *The “HEATER” label is not present if the optional sustainer heater is not installed on the machine. Except for cams 1, and 3, all other cams can be user adjusted. The cam positions are all set at the factory and only the cams controlling the chemical pumps (cams 2, 5 & 6) should ever need adjusting. Each micro switch on the timer assembly is turned on and off by the cam its actuator rides on. For all of the cams, except cams 1, 7 and 8, its corresponding switch is ON when its actuator is down in the cam groove. (Cams 1, 7 and 8 are reverse acting and are turned ON when the micro switch actuator is up out of the groove.) Opening the groove of any cam other than cams 1, 7 or 8 will increase the amount of time that the micro switch is held ON. The cams are slip-fit and a cam adjustment wrench is provided (a small screw driver or the edge of a table knife can also work to adjust the cams). 4.1.1. Cam Adjustment The two sides of each cam connect to the shaft with a slip-fit so all cam adjustments are made by rotating one side of the cam on the shaft to either increase or decrease the size of the cam groove. 1. Turn off the circuit breaker providing power to the machine before pulling the control drawer out to access the timer assembly. Caution: One of the terminals on the main power switch remains “hot” even when the machine’s main power switch is turned off—so turn the power off at the circuit breaker. 2. Remove the two 8–32 x .” Screws securing the control drawer and slide it out to its fully extended position. 3...

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Lavavajillas - L-1X16 (1.05 mb)

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