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www.cmadishmachines.com
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Table of Contents CMA-66 1. SPECIFICATIONS................................................................................................. 2 1.1 CMA-66.......................................................................................................................................... 2 2. GETTING STARTED............................................................................................ 3 2.1. Introduction to CMA-66............................................................
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1. Specifications CMA-66 CMA-66 L.T. H.T. 1.1 CMA-66 WATER CONSUMPTION PER RACK .8 GAL. .94 GAL. PER HOUR 192 GAL. 192 GAL. CONVEYOR SPEED FEET PER MINUTE 6.75 5.7 OPERATING CAPACITY RACKS PER HOUR (NSF rated) 242 205 OPERATING TEMPERATURE WASH (MIN) 140° - 150° F 150° - 160° F FINAL RINSE (MIN) 140° - 150° F 180° - 195° F WATER REQUIREMENTS INLET TEMPERATURE (MIN) 140° F 180° F WATER INLET SIZE 3/4” FINAL RINSE SIZE 1/2” DRAIN SIZE 2” FINAL RINSE PRESSURE 20 PSI HO
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Getting Started 2. Getting Started 2.1. Introduction to CMA-66 The CMA-66 is designed to give maximum cleaning in 66 inches. It represents the cleaning power of machines twice its length. The curtains incorporated in the machine minimize transfer from tank to tank during the wash and sanitizing procedures. Energy costs for running the CMA-66 have been greatly reduced by the introduction of stage washing. This design allows the heavy food soil to be removed in the first station, which
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Getting Started 2.2. Receiving and Installation When you receive your new CMA-66, complete the assembly by installing the scrap tray assembly with its overflow chute, the two wrapper shields and the curtain rods, which are shipped inside the machine. After the box has been removed from the machine, remove the left and right stainless steel wrapper shields and bolt them in place with the nuts and bolts provided. The wrapper shield with the extra curtain clamps mounts onto the dirty end o
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Getting Started 2.3. Receiving and Installation (Old Models) When you receive your new CMA-66, complete the assembly by installing the scrap tray assembly with its overflow chute, the two wrapper shields and the curtain rods, which are shipped inside the machine. After the box has been removed from the machine, remove the left and right stainless steel wrapper shields and bolt them in place with the nuts and bolts provided. The wrapper shield with the extra curtain clamps mounts onto th
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Getting Started * 2.3.1. Electrical A 3-phase 208-240 volt AC, 60 Hz dedicated circuit should be used to supply electrical energy to the CMA-66 dishwasher (see specification sheet page 2). Connect the wire that has the highest voltage (stinger lead) to the main contactor’s power terminal L2. Power lead wires (L1, L2 and L3) used for the CMA-66 at installation must comply with all local and State electrical codes. * 2.3.2. Plumbing The water supply connection is made with a ½” hot wa
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Getting Started P/N 13505.10 205 RACKS (CMA-44H) 242 RACKS (CMA-44L) P/N 13505.12 OLD Models 205 RACKS (CMA-44H) 167 RACKS (M-1) B A C 242 RACKS (CMA-44L) Figure 2.3.3b 4. On a 3-phase machine the water pump motors are also 3-phase and, depending on which terminal each phase is connected to, the motor can rotate in either direction. Check the direction of rotation by removing the dust cap on the back o
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Getting Started 2.3.4. Scrap Tray Assembly and Overflow Chute Installation The scrap tray assembly and overflow chute, which came packaged inside the machine, can easily be installed by executing the following steps: Figure 2.3.4 below illustrates the assembly as it would appear for a Left-to-Right machine – a Right-to- Left machine would simply be the mirror image. Caution: For proper spacing, the SS flat washer (item 2) must not be located between the head of the trusshead bolt and
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Getting Started 2.3.5. Pump Impeller Note Figure 2.2.5 Installation: When installing the water pump impeller the Nylon Lock Nut indicated by the arrow in Figure 2.2.5 must be in place to prevent the impeller from spinning off of the shaft and damaging the motor. Removal: The Nylon Lock Nut indicated by the arrow in Figure 2.2.5 must be removed before attempting to remove the water pump impeller. MODEL CMA-66 Installation & Operation Manual Rev. 1.09
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Getting Started 2.3.6. Optional Hood Adapter (set of two) An optional Hood Adapter set (P/N 13901.82) is available. The dimensions for proper installation are given below. Vents Measure 75-½" 4” x 16” 9-½" 65" Leg Adj 66” MODEL CMA-66 Installation & Operation Manual Rev. 1.09 Page 10
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Getting Started 2.3.7. Optional Freestanding Scrap Trap and Adaptor Kit The optional Freestanding Scrap Trap (P/N 01560.00) and Adaptor Kit (P/N 13512.00) are available for installations where the space is insufficient to accommodate the standard side-mounted scrap trap or where drain access is easier by locating the scrap trap some distance away from the Dishmachine. * ITEM NO. ITEM NO. P/N DESCRIPTION P/N DESCRIPTION NO. REQ’D NO. REQ’D 1 11 00912.00 1/4-20 Nylon Lock Nut 5 1
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Getting Started 2.3.8. Field Installed Accessories Installation of the accessory chemical pumps must be performed by qualified personnel. 2.3.8.1. Chemical Dispensers 1. Checkvalves should be installed directly at the mixing chamber coupling. There are two 1/8” FPT mounting holes provided, which will position the checkvalves parallel to the machine avoiding any chemicals from dripping onto the stainless steel should a leak develop. Simply remove the plug from the mounting hole and in
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Getting Started 2.4. Safety Tips for the CMA-66 DANGER: Always turn off the circuit breaker at the wall when working on this dishmachine. Even with the machine’s power switch off there is a live connection coming to the switch, so turn off the circuit breaker as well. CAUTION: Do not get in the path of the conveyor rocker arm or the conveyor’s moving bar. Do not reach into the rocker arm area without first making sure the dishmachine is turned off at the circuit breaker. CAUTION: Do n
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Operation 3. Operation 3.1. Initial Setup 3.1.1. Auto Fill Timer/ Auto Re- Fill Timer Both timers for the CMA-44 are set at the factory. When the power button is activated, the machine should fill until it begins to overflow into the scrap tray, at which point it should stop filling. If necessary, adjust the time set on the Auto Fill Timer to allow an appropriate amount of water flow to properly fill the Dishmachine. After the auto-fill is timed out the refill system is energized w
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Operation 3.2. Beginning Operation To run the dishmachine, perform the following steps: 1. Close both drains (valve handles in vertical position). CLOSE CLOSE 2. Turn on the power to the dishmachine. 3. Open the fill-valve and fill the machine until it overflows out of the pre-wash tank into the scrap tray or, if the Auto Fill option is present, press the AUTO FILL switch to fill the machine with water. 4. Turn the heater on. The temperature of the water in the tank should be
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Operation 6. At the end of the shift and after heavy periods of accumulation, clean the three strainer trays inside the machine. STRAINER TRAY Also, at the end of each shift, remove and clean the six spray arms. Then reinstall them into the machine. SPRAY ARM Also, when water becomes heavily soiled, drain the tanks and refill the machine. 7. Check chemical buckets. Make sure there is an adequate supply of detergent, rinse aid and (CMA-66L only) sanitizer. Also, veri
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Operation The sanitizing pump operates when the fresh water enters the machine during final rinse. The water is treated at 50 PPM (parts per million). The pressure regulator is adjusted to 20-PSI. This allows 0.8 (CMA-66L), or 0.94 (CMA-66H) gallons of water to enter the machine each time a rack is washed. It is recommended that the 5-1/2% chemical solution be standardized to allow uniform dispensing of the sanitizing solution into the flow of rinse water as the machine operates.
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Operation 6. Replace all the strainer trays into their proper position and fill the machine. 7. Place a rack into the machine and observe the spray pattern of the pre-wash, the wash, and the final rinse. a. Check the titration of the wash tank at this point. b. While the rack is in the final rinse, check for 50 PPM residual chlorine in the final rinse. c. Observe the final rinse vacuum breaker for leaks. 8. Run a stemware or glass rack through the machine and check the results
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Operation 3.4. Quick service guide MODELS: CMA 44/66 CONVEYOR (S) TECHNICAL ISSUE CAUSE SOLUTION Manual/auto switch in MANUAL mode or faulty Turn switch to AUTO position or replace Continuously cycles Conveyer timer faulty Replace timer, P/N 13418.85 Faulty tilt micro switch Replace micro switch, P/N 00411.00 Final rinse does not come on Micro switch cam out of adjustment Adjust cam Faulty rinse solenoid valve Replace diaphragm or coil, P/N 00738.15 Power disrupted C
