CMA-66 EST-66 Conveyor Dishwasher
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. At this level, maximum shelf life is available.
Inside the control box is a labeled power block for the sanitizer and rinse aid,
which is powered when the final rinse trip switch is activated. The detergent
power block is also labeled and provides power when the conveyor and
pump motors are operational.
3.3. Regular Service and Maintenance Checklist
1. Upon entering the facility, make a preliminary check of the flatware and
glasses, especially the stemware. This will give you a quick indication of how
the machine is functioning.
2. With the circuit breaker providing power to the machine turned off, open the
door and check the interior condition of the machine.
a. The stainless steel on the inside of the machine should be clean and
shiny, no dull look or buildup of white lime scale.
b. Check the condition of the strainer trays for excessive garbage. The
machine operator should be cleaning the machine—explain proper
cleaning procedures.
c. Open the drains and check to make sure they are all working properly.
3. Once the machine has drained, remove both end curtains and remove all the
strainer trays from the machine.
a. Check all spray arms and jets - clean as necessary. Explain cleaning
procedures to the operators.
b. Check the drain openings making sure they are free and clear of
debris.
4. Close the drains, turn the power on and fill the machine.
a. Check the fill vacuum breaker for leaks.
b. This is the time to check the water hardness. Check the water at the
fill while it is coming into the machine.
c. Using a rod or something long to avoid contact with the rinse water,
actuate the final rinse trip switch and observe the spray pattern on the
final rinse jets. (It is easier to see while the pressure is lower.) If you
have any clogged rinse jets, clean them using a paper clip or similar
wire.
5. Verify that the heater is working. If the temperature is below 140° check the
thermostat setting. Also, check that the heater contactor has activated
(toggle the heater switch and listen for the contactor pulling in and dropping
out). Check that the float switch is working properly (this will also cause the
heater contactor to pull in and drop out when actuated).
MODEL CMA-66 Installation & Operation Manual Rev. 1.09 B
Page
18
| General | Details |
|---|---|
| Name | CMA-66 EST-66 Conveyor Dishwasher |
| Make | CMA |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.59 MB |
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