CMA Dishmachines CMA Dishwasher Manual: Troubleshooting and Cam 4 Adjustments for Efficient Operation
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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

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Contents Model L-1X & L-1X16 7 0 0 K N O T T a V E N U ETable of Contents Specifications L-1X & L-1X16L-1X and L-1X16 Operational Cycle 100 110See .1.1 Cam Adjustment Getting Started Getting StartedIntroduction to the L-1X and L-1X16 Plumbing Receiving and InstallationElectrical Post InstructionsInstallers Checklist Operation Initial SetupOperation GeneralWater Pump Proper FillingPump Cavitation Timer assembly MaintenanceMaintenance Cam AdjustmentQuick service guide Troubleshooting Maintenance Maintenance Addendum for Machines Installed in the City of Chicago AddendumAppendix a Operator & Cleaning Instructions Electrical Diagram

L-1X16, L-1X specifications

CMA Dishmachines L-1X and L-1X16 are state-of-the-art commercial dishwashers designed to streamline dishwashing processes in various foodservice environments. Recognized for their innovative technology and robust construction, these machines are ideal for restaurants, hotels, and institutional kitchens.

One of the standout features of the CMA L-1X and L-1X16 is their high efficiency. With a capacity to handle up to 40 racks per hour, these models significantly reduce the time spent on washing dishes and improve overall kitchen productivity. Their rapid cycle times ensure that clean dishes are always available, enhancing service speed and minimizing wait times during busy hours.

The L-1X and L-1X16 are designed with advanced wash arm technology, featuring multiple spray zones that ensure thorough cleaning of all dishware. The powerful pump provides exceptional water pressure, ensuring that even the toughest stains are removed with ease. In addition, the units include a built-in booster heater, which raises water temperatures to optimal levels for effective sanitization, complying with health and safety regulations.

Another key characteristic of these dishmachines is their user-friendly interface. The intuitive control panel allows operators to select wash cycles effortlessly, making it easy for staff to operate the machines without extensive training. The digital readout indicates cycle time and wash temperature, providing transparency and ensuring operational efficiency.

The L-1X and L-1X16 models are constructed from durable stainless steel, guaranteeing longevity and resistance to the wear and tear of daily commercial use. Their compact design maximizes workspace efficiency, making them suitable for kitchens with limited space. Additionally, the machines are designed for easy access to internal components, facilitating maintenance and reducing downtime.

Energy efficiency is a priority for CMA Dishmachines, and both the L-1X and L-1X16 models reflect this commitment. These dishwashers consume less water and energy compared to other models in the market, ultimately reducing operating costs and contributing to a more sustainable kitchen environment.

In summary, the CMA Dishmachines L-1X and L-1X16 are highly efficient commercial dishwashers that combine advanced technology, user-friendly features, and durable construction. They are designed to meet the rigorous demands of the foodservice industry while maintaining a focus on efficiency and sustainability. For establishments looking to enhance their dishwashing capabilities, these models represent a cutting-edge solution.
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