CMA Dishmachines EAH-T Manual de Serviço

Effective Date: October 7, 2013SERVICE MANUAL900 Blake StreetEdwardsville, Kansas 66111(913)-422-3700 American Dish ServiceMODELS ADC44 &

A round wooden dowel works best for applying even pressure to seat the seal into the housing. The smooth surface will face out toward you; the groove

ADC-44/-66Preventive Maintenance ScheduleThree General areas must be inspected 1) Sequence switch mechanism in tray track 2) Water control mechanism

AMERICAN DISH SERVICETECHNICAL SUPPORT MATERIALRoutine and Preventative MaintenanceBURNED WIRESBurned wires on a high amperage circuit, occurs when th

AMERICAN DISH SERVICETECHNICAL SUPPORT MATERIALRoutine and Preventative MaintenanceMotor FailureItems to inspect to determine the cause of a motor fai

AMERICAN DISH SERVICETECHNICAL SUPPORT MATERIALRoutine and Preventative MaintenancePOOR or NO HEATING OF WASH TANKADC 44 Conveyor (11 gallon wash tank

6. Curtains missing or open—replace curtains. Long curtains are placed on the ends. The conveyor is an open process because of the two openings; thi

AMERICAN DISH SERVICETECHNICAL SUPPORT MATERIALPreventative MaintenanceQUESTIONS TO EVALUATE OPERATION OF CONVEYOR MACHINES1. Will the machine fi ll w

7. If a surging sound is coming from the wash pump, check the pump fi lter and tank trays. They may be fi lled with debris. Clean the fi lters

18AMERICAN DISH SERVICETECHNICAL SUPPORT MATERIALPreventative MaintenanceReplacement of ½” water solenoid diaphragmSolenoid valve assemblyRemove screw

19Inspect the gasket in bottom of the plungerIt must seal the top of the rivet shown hereTurn over the diaphragm inspect near the rivet headA cut or i

IMPORTANT:American Dish Service provides this information as a service to our customers. Keep all instructions for future reference. Although ADS wi

20Failure modesErrors are returning a corroded diaphragm to service. Failing to remove spring lodged in tubeInstalling valve wrong way, see arrow fl ow

Conveyor Minimum Basic Requirements1) Table with less then two racks “out” is not recommended.2) A 90° curved table on the exit side is not recomme

AMERICAN DISH SERVICELimited WarrantyParts and LaborAmerican Dish Service warrants to the original purchaser that its products are free of defects in

COMMON SERVICE PROBLEMSADS BULLETIN #02-44Effective Date 8/94Rack travel and counting with a timer in CONVEYORS Rack-style conveyors move dishracks ac

24

25

26

27

28

29

3Page Description4………... NSF Data Plate5………... Installation Instructions6………... Dishtable Requirements7………... Dispensers8

30

31

32

33

34

35

36

37

38

39

ADC-44/-66COMMERCIAL RACK CONVEYOR DISHMACHINEMANUFACTURED BY AMERICAN DISH SERVICENSF DATA PLATENSF Operational Requirements forMODEL ADC-44, Multi-

40

41

42

43

44

45

46

47

48

49

INSTALLATION INSTRUCTIONSSEE INSTALLATION MANUAL5

50

51

52

53

54

55

56

57

58

59

TABLESThe greatest source of service calls for conveyor accounts come from incorrect table application. Not all table types are suitable for conveyor

OVERLOADOVERLOADOVERLOADWHITEWHITEWHITEWHITEWHITEBLACKPURPLESW2.25 KWYELLOWBLACKBLACKBLACK120V CONTROL CIR.ORANGEYELLOWBLUEREDREDREDBROWNBROWNBROWNBLU

50 AMPTRANSFORMERRINSEREED SWWASHREED SWADC-44 ConveyorMOTORCONTACTORN/O CONTACT SWITCHHOOD FAN (OPTION)MOTORCONTACTOR(Slave Contacts)ThermostatRelayB

POWERSCRAPPERMOTORMOTORCONTACTORWHITESCRAPPERRELAYWASH N/CREED SWN/CBASKET N/OREED SWSCRAP N/CREED SWBROWNBLACKWHITEWHITEWHITEWHITEWHITEWHITEBLACKPUR

63Frequently Asked Questions (ADS Conveyor & High Temp Dishmachines) “What is the dishmachine’s operation—how does it work?”Operation: Be sure all

“Why does the circuit breaker keep tripping after the machine runs for a while?”Circuit breakers become weaker as they are repeatedly tripped or if th

65That is the correct operation for the “water-curtain” pump. The only purpose of the lower spray arm is to rinse off the bottom of the rack so fi nal

“The conveyor can’t seem to keep up the tank temperatures, can it be fi xed?”EVERYTHING TAKES HEAT AWAY. The only thing that will sustain the water te

If there is a fault, repairs consist of #1 replacement of the ADS switch (P/N 291-3014 only, similar looking switches will not work), #2 replace the “

When a tap is opened or a valve is opened, it is like taking the knot out of the balloon and all the air is forced out under pressure. This is called

If the magnets are hanging freely at the 6:00 position and about 1/16” off the bottom, the problem will be a faulty REED SWITCH or misalignment of bot

DISPENSERS1. The fi nal rinse manifold has two ports (1/8” IPS, female) provided in the mixing chamber chemical check-valves. The dispenser’s electri

LEAKS“Why is water leaking out of the pump next to the motor?”It is because of a failed pump shaft seal. The next question is “But I just put a new o

“How often do I have to clean out the pump fi lters, spray arms, or scrap box tray?”They should be cleaned after every meal period“Does the machine nee

“Why are black marks showing up on the plates?”There is nothing in the machine that makes black. Carbon black is the source of black specs and comes f

Unfortunately, you are talking about making a square rack go through a round hole (or bend, it is the same physics). And that one account you’ve seen

NOTES:74

American Dish ServiceManufacturer of low and high temperature Commercial Dishwashers and Glasswashers900 Blake StreetEdwardsville, Kansas 66111Ph:(91

MACHINE OPERATIONAfter the machine is operational and the tables are cleared, remove all packing material (heater supports) then wash out the tanks, g

MOTORSIt is recommended that pump motors be replaced as a unit. This is classifi ed as “pump motor complete, less cover.” The reasoning is as follows