Jackson 10U, dishmachines, 10APRB, 10AB technical manual Service Procedures Timer for 10 Dishmachines

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SECTION 4: SERVICE PROCEDURES

TIMER FOR 10 DISHMACHINES

GENERAL DESCRIPTION: The timer is a self-contained (frame mounted) timer of the repeating cycle type. It is mounted on the control panel of the control box, to control the automatic functions of the machine. It consists of a clock motor which operates on 60 cycle AC, 220 VAC. In addition to the clock motor, the timer also contains a driven cam arrangement which operates three microswitches.

PRINCIPLE OF OPERATION: The timer controls various operations of the dishmachine as per the wiring diagrams for each machine, however, the timing cycle and the microswitches are the same for each model. The time for one complete revolution of the cam shaft is approximately 150 seconds, allowing two wash and two rinse operations for each complete revolution of the cam shaft. The microswitch nearest the timer motor is the hold circuit and uses both the NO and NC contacts. The middle microswitch controls the wash and uses the NO contact. The switch farthest away from the timer motor controls the rinse and uses just the NC contact.

SERVICE INSTRUCTIONS: CAUTION: ALWAYS REMOVE THE POWER TO THE MACHINE BEFORE WORKING ON THE CONTROL PANEL OR WHILE SERVICING THE COMPONENTS ON THE SWITCH PANEL. ALL ELECTRICAL CHECKS SHOULD BE MADE BY QUALIFIED PERSONNEL.

Timer operation can be observed after removing the control panel from the control box by loosening the four screws holding it. Hang the control panel using the two right hand screws with the back side of the panel outward.

If it is determined that the timer is defective, it is recommended that a new timer be installed. However, limited field maintenance can be accomplished as follows:

A frozen contact on a microswitch will be indicated by one function being executed all the time or the absence of a click when the switch arm is actuated. The microswitch is replaced by:

1.Remove all wires from the timer, properly tag them to assure proper replacement.

2.Remove the two screws which hold the timer to the control panel.

3.One screw holds the microswitches, cams and actuating arms in the frame. This screw is seen on the side opposite the motor. Remove this screw. NOTE: Be sure to note which cam goes with which microswitch. Cam nearest timer motor has 1/2 raised, cam cen- ter, larger depressed areas, cam farthest from timer motor, smallest depressed areas.

4.The unit can now be taken apart and the defective microswitch replaced.

5.Reassemble. NOTE: The flanges on the cams are such that they only mesh in one direction. The shorter flange on the cams always points toward the drive motor.

The timers cam drive system is equipped with a clutch to enable one to view the operations of the cams and microswitches. Remove power to the machine BEFORE touching the timer. Rotate the cams by turning with fingers; cam will turn in one direction only. Do not force them. As cams actuate switches, listen for the click of the switch or test the switches with an ohm-meter.

A defective motor is indicated by the fact that the cams do not rotate or the machine does not perform the automatic operations or per- forms a specific part of the cycle continuously, but works okay on manual. Remember, the timer motor is controlled by the start switch and the hold microswitch, check this complete circuit before changing the motor. NOTE: It may be necessary to remove complete timer to replace motor; if so, follow steps 1 and 2 for removing the microswitches. The motor is replaced by:

1.Remove motor leads from connection points.

2.Remove the two screws which hold the motor.

3.Replace with the new motor.

4. Re-connect motor leads to proper points.

 

F (on rear)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A. To upper right terminal start switch.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B. To lower right terminal start switch.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C. To right-central terminal manual wash

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

switch.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D. To upper terminal of rinse switch.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

NO

 

 

 

 

 

 

E. To #5 terminal.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F. Shorting bar or jumpers connected to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

all three timer switches, this terminal.

 

 

 

 

 

 

 

 

COM

 

 

 

 

Timer Switch

Timer Motor, 220V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mfg. No.: 5945-306-02-00

 

E

 

 

 

 

 

 

 

 

 

 

 

 

 

5945-306-06-00

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A B C D

Timer, 220V

5945-303-19-00

18

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Contents Technical Manual Higher Hood OptionPage Revision Made Applicable Details Date ECN MAWSeries Nomenclature for the Models Covered in this ManualTable of Contents Section Description Specification InformationINSTALLATION/OPERATION Instructions Preventative MaintenanceElectrical Schematics Wiring DiagramsJackson Maintenance & Repair Centers Section Specification Information Model Volts Hertz Phase Amps TemperaturesOperating Cycle Seconds Tank Capacity Gallons10A Dimensions TOP ViewLeft View Front ViewSpecification Information 10AB/10APRB/10U Dimensions Front View Left ViewSpecification Information Series Table Dimensions Section INSTALLATION/OPERATION Instructions Page Page Page Page Page Page INSTALLATION/OPERATION Instructions Detergent Control Section Preventative Maintenance Preventative Maintenance Section Service Procedures Service Procedures Rinse Head / Wash Head Assemblies Service Procedures Timer for 10 Dishmachines Replacement of Switches in Control Panel Service Procedures Thermostat Adjustment Service Procedures Rinse Tank Heater System Service Procedures Wash Tank Heater System Service Procedures Water Level Control Symptoms of Level Control FailureProceed with Checkout Service Procedures Water Level Control AS Used on AN Aprb Replacement of Seal and/or Ceramic Section Troubleshooting Section Problem Nothing on the machine operates Troubleshooting Common Problems Problem Rinse water temperature too low less than 180FProblem Indicator lights do not glow at any time Section Assembly Parts Assembly Parts 10A Assembly QTY DescriptionAssembly Parts 10AB/10APRB/10U Assembly Assembly Parts Control BOX Assemby Assembly Parts Control BOX Assembly Assembly Parts Ordering Replacement Wire Black WireWhite Wire Blue WireConduit Hose Conduit FittingsTubing Assembly Parts TUB Assembly QTY Description Shown with Aprb Motor Gauge, Temperature 10 AB/10U Rear View Aprb Rear View Booster Tank End View Phase Hookup Assembly Parts Pump and Motor Assembly Assembly Parts Thermostat Housing Assembly Assembly Parts Incoming Plumbing Assemblies Complete 220 Volt Solenoid Valve Assembly Assembly Parts Hood and Associated Assemblies QTY Description Assembly Parts Vacuum BREAKER/CONNECTOR Assemblies 10A Copper Tube, 1/2 x 5700-002-61-85 5700-001-04-65 QTY QTY QTY Section Electrical Schematics 10APRB Page 9905-000-54-97 9905-002-55-90a 9905-002-55-91a 9905-002-55-92a
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10U, 10AB, 10A, 10APRB, dishmachines specifications

The Jackson 10A, 10U, 10APRB, and 10AB series of dishmachines have made significant strides in commercial dishwashing technology. Designed for high efficiency and durability, these machines cater to various establishments, from restaurants to cafeterias, ensuring cleanliness and sanitation in a fast-paced environment.

The Jackson 10A model stands out for its advanced washing capabilities. Featuring a powerful pump and a unique wash arm design, it delivers an exceptional cleaning performance by ensuring thorough coverage of all dishware. This model is equipped with a high-temperature rinse option that sanitizes dishes effectively, meeting health department standards. Additionally, its energy-efficient heating elements contribute to reduced operational costs while maintaining optimal cleaning temperatures.

The Jackson 10U model is particularly notable for its user-friendly design and compact footprint. This makes it an ideal choice for smaller kitchens where space is at a premium. It boasts a high cycle speed, which allows for quick turnover of dirty dishes. The innovative control system lets operators easily set wash cycles and monitor machine performance, ensuring maximum efficiency and reducing water waste.

On the other hand, the Jackson 10APRB is engineered for versatility, capable of handling various types of dishware, including delicate glassware and sturdy pots. This model features adjustable shelves and a flexible design that accommodates different load sizes. The inclusion of an automatic chemical dispensing system ensures that the right amount of detergent is used, optimizing wash results while minimizing chemical costs.

The Jackson 10AB is designed for heavy-duty use, perfect for establishments with high dishwashing demands. This robust machine integrates a multi-stage filtration system to capture food particles and debris, prolonging the life of the appliance. Its high-speed wash cycles significantly enhance productivity, allowing for a steady stream of clean dishware with minimal downtime.

All models in the Jackson series are equipped with cutting-edge technology, including energy-efficient motors and low-water consumption features, making them environmentally friendly options for commercial kitchens. The advanced diagnostics and monitoring systems help operators troubleshoot any issues that arise, ensuring consistent operation and reducing maintenance time.

In conclusion, the Jackson 10A, 10U, 10APRB, and 10AB dishmachines exemplify innovation in commercial dishwashing technology. With features that emphasize efficiency, versatility, and durability, these machines are vital assets in any food service operation, delivering cleanliness and meeting rigorous health standards with ease.
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