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Jackson 100 B/PRB Service Manual

High temperature door type dishwasher -warranty policy -basic functions of dishwasher -installation requirements -maintenance and care -operating instructions -illustrated parts list -description of components -electrical diagrams
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MODEL 100 B/PRB
HIGH TEMPERATURE DOOR
TYPE DISHWASHER
SERVICE MANUAL
INCLUDES:
-Warranty Policy
-Basic Functions of Dishwasher
-Installation Requirements
-Maintenance and Care
-Operating Instructions
-Illustrated Parts List
-Description of Components
-Electrical Diagrams
WORLD HEADQUARTERS & MANUFACTURING OPERATIONS
Highway 25E, P.O. Box 1060
Barbourville, KY 40906
888/800-JMSC
FAX 606/523-9196
March 12,1999 (Reprinted without change)
7610-100-02-00 Rev A

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Summary of Contents for Jackson 100 B/PRB

  • Page 1 MODEL 100 B/PRB HIGH TEMPERATURE DOOR TYPE DISHWASHER SERVICE MANUAL INCLUDES: -Warranty Policy -Basic Functions of Dishwasher -Installation Requirements -Maintenance and Care -Operating Instructions -Illustrated Parts List -Description of Components -Electrical Diagrams WORLD HEADQUARTERS & MANUFACTURING OPERATIONS Highway 25E, P.O. Box 1060...

  • Page 2: Table Of Contents

    INDEX SPECIFICIATIONS GENERAL INSTRUCTIONS (Installation/Dimensions) GENERAL INSTRUCTIONS (Operation) GENERAL INSTRUCTIONS (Preventive Maintenance) REMOVAL OF RINSE and/or WASH HEAD ASSEMBLIES TIMER FOR MODEL 100 DISHWASHERS DEFECTIVE TIMER MOTOR FUNCTION of SWITCHES. CIRCUIT BREAKER and INDICATING LIGHTS REPLACEMENT of SWITCHES in CONTROL PANEL THERMOSTAT ADJUSTMENT SERVICE INSTRUCTIONS RINSE TANK HEATER SYSTEM...

  • Page 3: Specifications

    SPECIFICATIONS SPECIFICATIONS 100 SERIES ITEM #_________ MODEL 100B 100PRB Operating Capacity Racks per hour (NSF Rated) Dishes per hour 1375 1375 1375 Glasses per hour 1375 1375 1375 Operating Cycle Wash Time-Sec Rinse Time-Sec Total Cycle-Sec Wash Tank Capacity Gallons Rinse Tank Capacity Gallons Wash Pump Capacity...
  • Page 4 Specifications 100 Series, cont'd Dimensions Length 24" 24" 24" Width 24" 24" 24" Height 57" 57" 57" Standard table height 34" 34" 34" Maximum Clearance for Dishes 15" 15" 15" Standard Eq. Racks Dish 19-3/4 x 19-3/4 Combination Shipping Weight Approximate basic model Electrical Rating...

  • Page 5: General Instructions

    GENERAL INSTRUCTIONS (INSTALLATION / DIMENSIONS) FOR 100B, PRB SERIES NOTE: Read the following instructions carefully. Proper installation of your Jackson Dishwasher will assure proper machine operation. 1. Open side doors, the front door (hook open) and remove dish, cup, and glass racks, and set to one side for later use.

  • Page 7: General Instructions (Operation)

    GENERAL INSTRUCTIONS (OPERATION) 100B, PRB READ INSTRUCTIONS CAREFULLY: Proper operation of your Jackson Dishwasher will assure clean and sanitized glasses and dishes at optimum efficiency. DISH PREPARATION 1. Scrape the dishes thoroughly. 2. Pre-rinse the dishes by soaking or by spraying off with a pre-rinse hose.

  • Page 8: General Instructions (Preventive Maintenance)

    (PREVENTIVE MAINTENANCE) (The following is to be performed as needed.) READ CAREFULLY: Proper maintenance of your Jackson Dishwasher will insure optimum service with a minimum of down time. 1. To remove all lime and corrosion deposits. (As needed or at least weekly) Fill the machine with wash water as would ordinarily be done for washing.

  • Page 9: Removal Of Rinse And/Or Wash Head Assemblies

    REMOVAL of RINSE and/or WASH HEAD ASSEMBLIES GENERAL INSTRUCTIONS 1. Turn master switch to off position. 2. Open door and drain machine by lifting overflow strainer. 3. When empty, replace overflow strainer. 4. With wrench, remove pipe fitting holding lower rinse feed pipe to machine and remove feed pipe and rinse head assembly.
  • Page 10 21. Replace rinse assembly and feed pipe. 22. Close all doors and refill dishwasher. 23. Run through several cycles and recheck wash arms for easy movement. Adjust if necessary. 24. If removal of upper wash or rinse assembly is necessary, then extra care must be taken to support assembly.

  • Page 11: Timer For Model 100 Dishwashers

    The timer is a self-contained (frame-mounted) timer of the repeating cycle type. It is mounted on the control panel of Jackson Automatic Dishwashing machines, to control the automatic functions of these machines. 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 micro switches.

  • Page 12: Defective Timer Motor

    DEFECTIVE TIMER MOTOR A defective motor is indicated by the fact that the cams do not rotate or the machine does not perform the automatic operations or performs 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 micro switch, check this complete circuit before changing motor.
  • Page 13 FUNCTION of SWITCHES, CIRCUIT BREAKER and INDICATING LIGHTS Circuit breaker Rated 15 amps, controls power to control circuit only, I.E. timer, relays. solenoid valve, P/N 0012000 water-level control and motors. Circuit breaker does not cutoff power in control box at incoming terminal board and rinse heater or its relay contacts.
  • Page 14 REPLACEMENT of SWITCHES in CONTROL PANEL There are five switches installed in the control box cover panel. These are the start, master, manual wash, rinse/fill and heater switches. Before working on machine, it is important that power be turned off at customer's circuit breaker to prevent the possibility of electrical shock, trip breaker to "off"...

  • Page 15: Thermostat Adjustment

    THERMOSTAT ADJUSTMENT The thermostat can be adjusted by turning screw # 1 (see picture) on the thermostat control box cover. (Remember the present setting, in case the problems are elsewhere in the control circuit.) A CW rotation is used to obtain a lower temperature setting and a CCW rotation is used to obtain a higher temperature setting.

  • Page 16: Service Instructions

    SERVICE INSTRUCTIONS (INCOMING WATER SOLENOID VALVE) SOLENOID VALVE TO TAKE THE VALVE APART DISASSEMBLY - These valves may be taken apart by unscrewing the bonnet and the enclosing tube assembly from the valve body assembly. See Fig. 3. After unscrewing, carefully lift off the bonnet and enclosing tube assembly.

  • Page 17: Rinse Tank Heater System

    RINSE TANK HEATER SYSTEM FUNCTION The Rinse Tank Heater System is electrically connected in the circuit so that it is dependent upon the dishwasher being properly filled with and maintaining a safe water level. The automatic fill system, therefore, should operate properly before the heat system can be engaged.
  • Page 18 B. If heat relay closes: 1. Check power supply at incoming terminal board L1 and L2. It should be 220V, approximately. 2. Check power at positions 4 and 5, figure 1. Voltage should read approximately 220V; if not, check wires for breaks or bad connections. 3.

  • Page 19: Wash Tank Heater System

    WASH TANK HEATER SYSTEM FUNCTION The Wash Tank Heater System is electrically connected in the circuit so that it is dependent upon the dishwasher being properly filled with and maintaining a safe water level. The automatic fill system, therefore, should operate properly before the heat system can be engaged.
  • Page 20 BB - - If heat relay does close: 1. Check power supply at terminal board #2 between terminals #5 and #7; it should be approximately 220V. 2. Check power at position 4; there should be no voltage. 3. Check position 5; voltage should be approximately 120V to ground. 4.
  • Page 21 REPLACING SEAL and CERAMIC on WASH PUMPS FUNCTION The pump is part of the total motor-pump system and utilizes one shaft seal and ceramic to prevent the pump from leaking around the impeller and shaft. One gasket is used to prevent leakage between the pump mounting plate and the machine pump plate.
  • Page 22 ITEM DESCRIPTION 0102600 PUMP MOTOR, 50 Cycle 0102700 PUMP MOTOR, 60 Cycle 0106500 WOODRUFF KEY 3691300 WASHER, RUBBER 0108000 SNAP RING 0105000 CERAMIC FACE w/ "O" RING 0104500 PUMP MOUNTING PLATE 0105000 SEAL FACE PLATE TO MOTOR MOUNTING BOLTS & LOCKWASHERS 0105000 SEAL ASSEMBLY (SEAL SPRING &...
  • Page 23 REPLACING SEAL and CERAMIC on RINSE PUMPS FUNCTION The pump is part of the total motor-pump system and utilizes one seal and ceramic to prevent the pump from leaking around the impeller and shaft. One gasket is used to prevent leakage in between the pump mounting plate and the machine pump plate.
  • Page 24 ITEM DESCRIPTION 0086100 PUMP MOTOR, 50 Cycle 0086000 PUMP MOTOR, 60 Cycle 0088000 PUMP MOUNTING PLATE 0089000 PUMP CERAMIC FACE w/RETAINER CUP 0087500 PUMP IMPELLER SEAL 0089500 PUMP IMPELLER 0090000 PUMP MOUNTING GASKET 0090500 PUMP PLATE TO MOTOR MOUNTING BOLTS 0091000 MOUNTING PLATE LOCKWASHERS 0091000...
  • Page 25 INSTRUCTIONS for ADJUSTING TENSION of CANTILEVER PROBLEM: Doors raise hard, but lower easily. SOLUTION: 1. Back off (loosen) upper adjusting nuts (F) on both eyebolts (E) about two or three complete turns. 2. Tighten lower adjusting nuts (G) on both eyebolts (E) a complete turn. 3.
  • Page 27 APPLYING NYLATRON STRIP TO 100 SERIES DOOR P/N 0051800 INSTRUCTIONS FOR INSTALLING NEW DOOR GUIDES ITS IMPORTANT WHEN REMOVING THE OLD DOOR GUIDES THAT THE SURFACE BE CLEANED THOROUGHLY. THIS CAN BE DONE WITH A SOLVENT THAT WILL DISSOLVE THE REMAINING GLUE AND/OR THE USE OF A FINE SANDPAPER TO SCRATCH THE SURFACE WHERE THE DOOR GUIDE WOULD MAKE CONTACT WITH THE STAINLESS STEEL DOOR.
  • Page 28 WATER LEVEL CONTROL (ELS) (FOR RINSE TANK) P/N 0205000 FUNCTION The Water Level Control device utilized on power rinse (PRB) models only, automatically maintains the water level in the rinse tank. The rinse tank water level control is energized by the master switch. The control is designed to sense when the proper water level is maintained.
  • Page 29 WATER LEVEL CONTROL (ELS) (INITIAL FILL AND WASH-HEAT CIRCUIT) P/N 0205000 FUNCTION This control is activated when the master switch is turned on. The primary function is to automatically control the proper initial filling of the wash tank, then to activate the wash and rinse tank heat circuit It will also provide cutoff of the wash and rinse heat circuit, should the water be accidentally drained from the machine (with the master switch still on).
  • Page 30 4. Be sure wash tank is empty and master switch and heat switch are off. Carefully reapply power to machine. Begin by turning master switch on. With an insulated jumper wire, touch jumper between terminals C & H; relay in clear plastic cube should activate as wire is touched to terminals. Observe relay contacts - - they should pull in.

  • Page 31: Trouble Shooting Guide

    TROUBLE SHOOTING GUIDE PROBLEM CAUSE SOLUTION 1- No Voltage to dishwasher, Nothing on machine a. Customer's fuse blown or a. Replace or reset. operates. circuit breaker tripped. 2- Machine circuit breaker 2- Turn on or reset. tripped or turned off. 3- Voltage to machine low or 3- Contact your electrician circuit to machine broken.
  • Page 32 TROUBLE SHOOTING GUIDE PROBLEM CAUSE SOLUTION Fills slowly and/or rinse is 1- Low water pressure. 1- Check water pressure by: weak. a. Turn heat and master switch off. b. Empty wash tub. c. Replace overflow strainer, close doors. d. Turn on master switch. e.
  • Page 33 TROUBLE SHOOTING GUIDE PROBLEM CAUSE SOLUTION Machine won't work on automatic. Wash 1- Timer motor faulty. 1- Pull control panel and observe timer and rinse work only on manual. operation. See instruction page for changing timer motor. 2- Master or start switch faulty. 2- Replace switch.
  • Page 34 TROUBLE SHOOTING GUIDE PROBLEM CAUSE SOLUTION Wash motor does not 1-Wash micro switch in timer 1- Check timer, see instruc- operate on automatic. faulty tion page on timer but rinses on automatic and washes on manual Machine begins to 1- Timer motor, micro switch 1- Check timer, see instruc- wash when master faulty...
  • Page 35 TROUBLE SHOOTING GUIDE PROBLEM CAUSE SOLUTION Wash Pump leaks 1- Impeller seal is worn (leaks 1- Remove and inspect pump and motor around shaft) assembly, see instruction page on pump seals and ceramic replacement 2- Pump assembly is not seated to base of 2- Replace gasket.
  • Page 36 TROUBLE SHOOTING GUIDE PROBLEM CAUSE SOLUTION Low rinse temperature 1- Machine using more water 1- If this trouble occurs, it indication than normal by rinse running should be determined that throughout wash cycle, caused the rinse is running during by faulty rinse microswitch in the wash cycle by in timer specting the rinse sole...
  • Page 37 TROUBLE SHOOTING GUIDE PROBLEM CAUSE SOLUTION Rinse pump leaks. 1- Impeller seal is worn. 1- See instruction page on PRB Models only. ceramic replacement 2- Impeller ceramic is worn or 2- Same as 1. scored. Indicator light(s) do 1- Lights faulty or poor connec- 1- Replace or correct not glow at any time.
  • Page 38 FRONT VIEW ITEM DESCRIPTION ITEM DESCRIPTION 0068000 BOOSTER TANK 0019900 CONTROL BOX & PANEL 0058000 WASH TANK HEATER 0169400 THERMOSTAT BOX 0151000 INSIDE PUMP STRAINER 0012000 CONTROL CIRCUIT PROTECTION DEVICE 0152000 LARGE OVERFLOW STAINER 0101800 WASH PUMP & MOTOR, 50 Cycle 0047000 FRONT DOOR 0102000...
  • Page 39 ITEM DESCRIPTION ITEM DESCRIPTION 0085100 RINSE PUMP & MOTOR (PRB ONLY), 50 Cycle 0008700 CANTILEVER SPRING RODS 0085000 RINSE PUMP & MOTOR (PRB ONLY), 60 Cycle 0011501 CANTILEVER DOOR COUPLER CUSTOMER'S WATER CONNECTION 0007500 BREATHER TUBE (PRB ONLY) 0019900 CONTROL BOX & PANEL 0009000 CANTILEVER SPRINGS 0012000...
  • Page 40 RIGHT SIDE VIEW ITEM DESCRIPTION ITEM DESCRIPTION CUSTOMER'S WATER CONNECTION DETERGENT DISPENSER FITTING 0165500 CUSTOMER'S ELECTRICAL CONNECTION EXTERNAL VACUUM BREAKER PIPING 0019900 CONTROL BOX & PANEL 0009000 CANTILEVER SPRING 0012000 CONTROL CIRCUIT PROTECTION DEVICE 0101800 WASH PUMP & MOTOR, 50 Cycle 0084300 HIGH WATER PROBE 0102000...
  • Page 41 ITEM DESCRIPTION ITEM DESCRIPTION 0006800 BOOSTER TANK 6007900 CANTILEVER ARM DETERGENT SENSOR FITTING 0011500 CANTILEVER DOOR COUPLER 0009000 CANTILEVER SPRING 0136000 LOWER RINSE HEAD ASSEMBLY EXTERNAL VACUUM BREAKER PIPING 0200000 LOWER WASH HEAD ASSEMBLY 0008700 CANTILEVER SPRING ROD WASH TANK (NLA) 0136000 UPPER RINSE HEAD ASSEMBLY DRAIN OUTLET...
  • Page 42 BOTTOM VIEW ITEM DESCRIPTION ITEM DESCRIPTION 0083300 ADJUSTABLE FOOT 0012000 CONTROL CIRCUIT PROTECTION DEVICE 0006800 BOOSTER TANK 0153700 'Y' STRAINER DETERGENT SENSOR FITTING 0143000 SOLENOID VALVE WASH TANK 0101800 WASH PUMP & MOTOR, 50 Cycle DRAIN OUTLET 0102000 WASH PUMP & MOTOR, 60 Cycle 0019900 CONTROL BOX &...
  • Page 43 LOW LEVEL HIGH LEVEL VACUUM BREAKER P/N 0184301 PROBE PROBE P/N 0084500 P/N 0084300 ITEM DESCRIPTION BONNET 0184700 DISK 0184700 GASKET 1 PROBE BOOT 0184700 POPPET 2 NUTS BODY 3 LOCKWASHER 4 PROBE 5 TANK COUPLING 1 NUT, 6/32 S/S 2 WASHER RUBBER 3 PORCELAIN, OUTER 4 INSERT, SILASTIC...
  • Page 44 CUTAWAY VIEW OF WASH SUMP ITEM P/N DESCRIPTION DRAIN FITTING 0005400 DRAIN '0' RING 0152000 OVERFLOW STRAINER 0058000 WASH TANK HEATER ELEMENT 015100 INSIDE PUMP STRAINER WASH TANK THERMOSTAT SHEATH SUMP WALL ITEM DESCRIPTION DRAIN FITTING WELDED TO WASH SUMP BOTTOM 0054000 DRAIN '0' RING 0151000...

  • Page 45: Booster Tank With Element

    ITEM P/N DESCRIPTION 0006800 BOOSTER TANK (B MODEL) (NEW STYLE-NOT SHOWN) EXTERNAL VACUUM BREAKER FITTING THERMOSTAT PROBE, FITTING 0058800 HEATER BUS BARS (1 PHASE CONNECTION) 0060500 HEATER ELEMENTS (6 EACH) HEATER ELEMENT COUPLING (6 EACH) BOOSTER TANK WITH ELEMENTS (1 PHASE HOOKUP) END VIEW BOOSTER TANK (3 PHASE HOOKUP)
  • Page 46 BOOSTER TANK HEATER ELEMENT P/N 0060500 WASH TANK HEATER ELEMENT P/N 0058000...

  • Page 47: Control Box And Control Panel Components

    CONTROL BOX AND CONTROL PANEL COMPONENTS ITEM DESCRIPTION ITEM DESCRIPTION GROUNDING LUG 0157500 HEATER SWITCH 0165500 CUSTOMER'S ELECTRIC CONNECTION 0162500 START SWITCH 0123000 HEATER RELAY (3 POLE/3 PHASE) 0157500 MASTER SWITCH 0124000 (4 POLE/1 PHASE) 0083500 AUTOMATIC INDICATOR LIGHT 0121000 RINSE/FILL RELAY 0155500 MANUAL WASH SWITCH...
  • Page 48 R1 & R2: CONTACTORS M SW: MASTER SWITCH ON-OFF 1-ELS, CONTROL, HIGH LEVEL FILL, LOW LEVEL CUT-OFF IN WASH TANK & RINSE TANK, LOW VOLTAGE SENSOR, 24V. TO PROBE H.SW: HEAT & LIGHT SWITCH THS: INDEPENDENT THERMOSTAT CONTROL WASH HEATER: (1)-1500W. S-SW: START SWITCH •...
  • Page 49 RINSE HEATERS (6) 2200 W HC: CONTACTOR CB 1: OVER CURRENT CIRCUIT BREAKERS-15A. R1&2: CONTACTOR M SW: MASTER SWITCH ON OFF 1 ELS, CONTROL, HIGH LEVEL FILL, LOW LEVEL CUT OFF IN WASH TANK & RINSE TANK HEAT. LOW VOLTAGE SENSOR, 24V. TO PROBE H SW: HEAT &...
  • Page 50 RINSE HEATERS (6) 2500 W HC: CONTACTOR (HEATER) CB.1: OVER CURRENT CIRCUIT BREAKERS. 15 AMPS RATING R1, R2 & R3: CONTACTORS (WASH & RINSE MOTORS, WASH HEATER) M-SW: MASTER SWITCH ON-OFF 1 ELS, CONTROL, HIGH LEVEL FILL, LOW LEVEL CUT-OFF IN WASH TANK &...
  • Page 51 RH RINSE HEATERS ((6) 2500 W HC: CONTACTOR (HEATE R) CB 1 OVER CURRENT, CIRCUIT BREAKER 15AMP RATING Rl & R2 CONTACTORS (WASH & RINSE MOTOR) M SW MASTER SWITCH ON OFF 1 ELS. CONTROL. HIGH LEVEL FILL, LOW LEVEL CUT-OFF IN WASH TANK &...
  • Page 52 HC: CONTACTOR (HEATER) RH: RINSE HEATERS. (6) 2500 W. CB-1: OVER CURRENT, CURRENT CIRCUIT BREAKER, 15AMPS RATING R1 & R2: CONTACTORS (WASH & RINSE MOTORS) M-SW: MASTER SWITCH ON-OFF 1 ELS: CONTROL, HIGH LEVEL FILL, LOW LEVEL CUT-OFF IN WASH TANK &...

  • Page 53: Parts List

    PARTS LIST FOR MODEL 100 B/PRB DISHWASHERS PART SERIAL DESCRIPTION NUMBER NUMBERS 0006800 Booster Tank for machine (stripped) B 0006900 Booster Tank for machine (stripped) PR 0006900 Booster Tank for machine (stripped) PRB 6007900 Cantilever Assy Comp. (includes pans 79; 83; 87; 90; 94; 96 100;...
  • Page 54 PART DESCRIPTION SERIAL NUMBERS NUMBER 0084300 Probe; small Lundy 2800 0084500 Probe, large Warrick Hi-level 0084700 Probe; cover rubber (for 845) 0085000 Pump assy. comp. w/motor, 1/2 HP, 3450 RPM, Rinse (PRB Only) 1200 0085100 Pump Assembly, complete w/motor, 1/2 HP, 2850 RPM, Jet, Rinse (PRB Only), 50 Cycle (All 50 Cycle) 0086000...
  • Page 55 PART DESCRIPTION SERIAL NUMBERS NUMBER 3700 Strainer, 'Y', 3/4" 4000 Switch, rinse/fill (All) (SPDT) momentary slip disconnect AF24, 451; 2618; 1149 0155500 Switch, manual wash (DPDT) (All) Slip disconnect AF24, 451; 2618; 1149 0157500 Switch, master (DPST) (All) Slip disconnect (used on wash, heat &...

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