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REPLACING THE DRAIN VALVE

The following list of tools will be needed to complete this procedure.  5/16” nutdriver, flat screwdriver, phillips screwdriver, and
7/16” socket and ratchet.

1.  Disconnect the electrical power to the dishwasher at the main circuit breaker box when servicing.  Place a tag on the cir-

cuit box indicating the circuit is being repaired.

2.  Disconnect the power and conduit from dishmachine terminal block.
3.  Turn off the water supply to the dishmachine.
4.  Move the dishmachine away from the wall for servicing.
5.  Use a 7/16” socket and ratchet to remove the lower enclosure panel at rear of machine.

6.  Drain the dishmachine.  Siphon out the water or remove inlet hose to drain valve and drain into pan.  The dishmachine

may be drained by opening the petcock on the pump housing or by removing the wash thermometer bulb from the lower wash
tank.

7.  Use a 5/16” nutdriver to loosen the hose clamp and remove the inlet hose to the drain valve from the pump motor.

8.  Use a phillips screwdriver to remove the cover from the valve. Use a flat screwdriver to disconnect the lead wires and

ground to the drain valve.  

9.  Use a 5/16” nutdriver to loosen the hose clamp and remove the discharge hose from the drain valve.

10.  Use a phillips screwdriver to remove the screws attaching the drain valve to the mounting plate.
11.  Reverse the procedures to install the new valve.  

INSURE GROUND WIRE LEAD IS CONNECTED PROPERLY TO TER-

MINAL  ON THE MOTOR.

JP-24 Technical Manual 7610-002-49-79 Rev. D

Issued: 03-06-2006  Revised: N/A

SECTION 5: SERVICE PROCEDURES

REPLACING THE DRAIN VALVE

24

7

9

10

8

Replacing the Drain Valve

Summary of Contents for Hot Water Sanitizing Undercounter Dishmachines...

Page 1: ...MESTIC UNITS FOR JACKSON MODELS JP 24 JP 24F JP 24B JP 24BF An Company HOT WATER SANITIZING UNDERCOUNTER DISHMACHINES March 6 2006 P N 7610 002 49 79 Revision D Jackson MSC Inc P O BOX 1060 HWY 25E BA...

Page 2: ......

Page 3: ...W 6836 Updated per ecns D 03 06 2006 MAW 7421 7231 6964 7095 Change thermostat from 05930 121 71 29 to 05930 510 03 79 Change thermostat from 05930 121 71 36 to 05930 011 49 43 Change Diverter Valve A...

Page 4: ...ial No Installation Date Service Rep Name Phone No Jackson MSC Inc provides technical support for all of the dishmachines detailed in this manual We strongly recommend that you refer to this manual be...

Page 5: ...lectrical Panel Assembly JP 24B BF 460 Volt 60Hz 32 Gauge Panel Assembly Used with the external mounted control panel assemblies 34 Electrical Panel Assembly External AMTRAK Option 34 Kick Plate Assem...

Page 6: ...1 SECTION 1 SPECIFICATION INFORMATION...

Page 7: ...FLOW GALLONS PER MINUTE 27L 7 1 ELECTRICAL REQUIREMENTS WASH MOTOR HP 3 4 NOTE Typical Electrical Circuit is based upon 1 125 of the full amperage load of the machine and 2 typical fixed trip cir cui...

Page 8: ...CAL REQUIREMENTS WASH MOTOR HP 3 4 NOTE Typical Electrical Circuit is based upon 1 125 of the full amperage load of the machine and 2 typical fixed trip cir cuit breaker sizes as listed in the NEC 200...

Page 9: ...nside Clearance Height 14 1 2 36 8 cm Height maximum 34 1 4 87 cm Inside Clearance Width 20 1 4 51 4 cm Width 24 60 9 cm Inside Clearance Depth 21 1 4 54 cm Depth 22 5 8 57 5 cm Door Open Depth 39 1 2...

Page 10: ...SECTION 2 INSTALLATION OPERATION INSTRUCTIONS 5...

Page 11: ...eign matter left in the water line and any expenses resulting from this fouling are not the responsibility of the manufacturer CONNECTING THE DRAIN LINE The JP 24 series machines are a pumped pressure...

Page 12: ...ock Install the grounding wire into the lug provided It is recommended that DE OX or another similar anti oxidation agent be used on all power connections VOLTAGE CHECK Ensure that the power switch is...

Page 13: ...er to do this ware must be properly prepared prior to being placed in the machine DAILY MACHINE PREPARATION Refer to the section entitled PREPARATION at the top of this page and follow the instruc tio...

Page 14: ...for operators Using too much detergent has as detrimental effects as using too little The proper amount of detergent must be used for job It is important to remember that certain menu items may requi...

Page 15: ...6 Assemble the counter with mounting plate to the control panel using the four screws and locknuts provided 7 One lead wire from the counter is connected together with the blue wires from the fill sol...

Page 16: ...SECTION 3 PREVENTATIVE MAINTENANCE 11...

Page 17: ...mind operators that trying to perform corrective maintenance on the dishmachine could lead to larg er problems or even cause harm to the operator If a problem is discovered secure the dishmachine usin...

Page 18: ...SECTION 4 TROUBLESHOOTING 13...

Page 19: ...through the rinse arms when the ON FILL switch is depressed 1 Water not turned on Turn water on 2 Defective solenoid valve Replace solenoid valve 3 Probes are dirty or coated Clean probes 4 Defective...

Page 20: ...em Rinse water not at required temperature range 1 Thermometer is defective Replace 2 Thermostat is defective Adjust the thermostat Replace if necessary Problem Machine doesn t drain when OFF DRAIN sw...

Page 21: ...16 SECTION 5 SERVICE PROCEDURES...

Page 22: ...D It is estimated that it will take 1 person twenty min utes to perform this task not including all of the items indicat ed in the section entitled PREPARATION IMPORTANT NOTES 1 Read these instruction...

Page 23: ...coil Take the new coil and attach the conduit reinstall tighten the conduit nut and pull the wires through so that you will be able to wire the valve back up 9 Reconnect the wires from the conduit to...

Page 24: ...ad it is recommended that the entire valve should be replaced These instructions do not provide information on replacing the solenoid valve 16 Note Even though an O ring may not appear damaged it is a...

Page 25: ...fective replacement parts with new parts from ordered kits Ensure that components are sufficiently tightened to prevent leakage AFTER MAINTENANCE ACTIONS Reconnect the incoming water if disconnected a...

Page 26: ...n 1 Small flathead screwdriver 2 Needle nose pliers TIME REQUIRED It is estimated that it will take 1 person twenty min utes to perform this task not including all of the items indicat ed in the secti...

Page 27: ...soft towel remove any grit grime or debris that may have gotten caught in the threads of both the cap retainer or the vacuum breaker body There is an O ring that should be present on the cap retainer...

Page 28: ...above REPLACING THE BOOSTER TANK HEATER The following list of tools will be needed to complete this procedure phillips screwdriver and 1 2 socket and ratchet 1 Disconnect the electrical power to the...

Page 29: ...into pan The dishmachine may be drained by opening the petcock on the pump housing or by removing the wash thermometer bulb from the lower wash tank 7 Use a 5 16 nutdriver to loosen the hose clamp an...

Page 30: ...moved if applicable 4 Remove any and all access covers TOOLS REQUIRED The following tools may be needed to perform this maintenance evolution 1 3 8 Nutdriver 2 7 16 Combination Wrench 3 Needlenose Pli...

Page 31: ...ounting nuts with the 3 8 nutdriver 5 Attach the jumper wires to the wires that you removed from the old thermostat Removing the imperial brass fitting Tempstar Location of the thermostat bracket JP 2...

Page 32: ...ostat so that it does not hang over the heater 9 Note regardless of the unit this is being done to the con cept is to ensure that the thermostat cannot come into contact with the heater leads or inter...

Page 33: ...is installed it will be nece sary to ensure that it operates at the required and appropriate ranges The new thermostat has an adjustment that can be turned using a small flathead screwdriver Several c...

Page 34: ...SECTION 6 PARTS SECTION 29...

Page 35: ...eter 96 Wash 06685 111 68 49 8 1 Thermometer 48 Rinse 06685 111 68 48 9 1 Switch ON FILL OFF DRAIN 05930 301 49 55 10 1 Light Red 05945 111 44 45 11 1 Switch Delime 05930 011 49 00 12 1 Light Amber 05...

Page 36: ...ket Relay Mounting 05700 002 37 85 11 1 Relay 220 240 Volt 05945 111 89 75 12 4 Screw 6 32 x 3 8 Sems with External Tooth Lockwasher 05305 002 25 91 13 1 Decal Timer 09905 011 40 70 14 1 Timer 60 HZ 0...

Page 37: ...9905 101 40 82 10 1 Contactor Heater 05945 002 74 20 11 1 Decal Timer 09905 011 40 70 12 1 Timer 60 HZ 05945 121 41 60 12 1 Timer 50 HZ 05945 002 13 34 12 1 Timer 5 Minute 05945 121 44 89 13 2 Screw 6...

Page 38: ...940 200 76 00 12 1 Ground Decal 09905 011 41 82 13 1 Overload Contactor 05945 111 60 08 14 1 ACME Transformer 480 to 120 Volt 05950 011 50 70 15 1 Terminal Board 1 4 QC 05940 021 94 85 16 2 Screw 6 32...

Page 39: ...9905 031 73 94 6 1 Fitting 1 4 BARB x 1 4 FNPT Swivel 04730 011 95 42 7 1 Hose 5 16 x 12 05700 011 86 45 8 1 Fitting 1 4 BARB x 1 4 MNPT Swivel 04730 011 95 41 JP 24 Technical Manual 7610 002 49 79 Re...

Page 40: ...EXTERNAL OPTION AMTRAK OPTION 35 13 12 7 FRONT VIEW EXTERNAL OPTION INSIDE VIEW of AMTRAK EXTERNAL OPTIONS Electrical Component Mounting Bracket 05700 031 84 85 Control Box Mounting Panel Amtrack Opti...

Page 41: ...Motor 05945 002 74 20 6 1 Panel Inner Control Box 05700 031 91 51 7 9 Screw 10 32 x 3 8 Phillips Truss Round Head 05305 173 12 00 8 1 Track Terminal 3 5 16 05700 000 43 60 9 2 Block Snap in Terminal 0...

Page 42: ...ckplate Weldment 05700 041 86 40 Control Panel Assembly 05700 011 40 93 Control Panel Only 09330 041 41 94 460 Control Panel Assembly 05700 002 18 38 460 Control Panel Only 09330 041 85 00 Nut Nylon W...

Page 43: ...2 x 19 1 2 05700 011 59 84 10 1 Copper Tube 1 2 x 4 1 2 05700 011 59 83 11 1 Copper Tube 1 2 x 25 1 2 05700 011 59 85 12 1 Adapter 1 2 Ftg x Male 04730 401 03 01 JP 24 Technical Manual 7610 002 49 79...

Page 44: ...1 44 34 9 1 Elbow 1 2 90 C to MSPS 04730 406 32 01 JP 24 Technical Manual 7610 002 49 79 Rev D Issued 03 06 2006 Revised N A SECTION 6 PARTS SECTION INCOMING PLUMBING ASSEMBLIES JP 24B JP 24BF 39 1 7...

Page 45: ...6 PARTS SECTION RINSE STIFFENER RINSE HUB WELDMENT 40 Rinse Hub Weldment 05700 021 38 31 Rinse Tube Stiffener 05700 011 44 32 Vellumoid Rinse Gasket 05330 111 42 81 Clamp Hose 04730 719 06 09 Hose 3...

Page 46: ...only 1 2 06401 003 07 44 Screw Data Plate Coil Housing Valve Bonnet Spring Plunger Kit 06401 003 07 40 Spring position is moved for clarity Goes below the plunger O Ring Diaphragm 06401 003 07 41 Dia...

Page 47: ...02 5 4 Tricnut 10 32 AK Fastener S S 05340 111 58 10 6 1 Lockwasher 10 External Tooth 05311 273 02 00 7 1 Grommet Heyco 05975 210 03 00 8 1 Cam Weldment 05700 011 65 78 9 1 Plate Dielectric 05700 011...

Page 48: ...d Truss Head 05305 173 04 00 4 1 Diverter Valve Assembly 115 Volt 06401 012 23 21 4 1 Diverter Valve Assembly 220 Volt 06401 022 23 21 5 1 Clamp 11 16 to 1 1 4 04730 002 18 40 6 1 Hose 1 I D x 10 Feet...

Page 49: ...Gasket 4 75 x 4 09 x 1 16 05330 111 59 90 Gasket 4 75 x 4 09 x 1 64 05330 002 42 86 JP 24 Technical Manual 7610 002 49 79 Rev D Issued 03 06 2006 Revised N A SECTION 6 PARTS SECTION WASH MOTOR TO WASH...

Page 50: ...Imperial Brass 05310 924 02 05 Thermostat Rinse Tank 05930 510 03 79 Kit Rinse Thermostat Replacement Includes thermostat brass fitting 2 jumper wires instructions 06401 011 66 55 Nut 5 16 18 S S Hex...

Page 51: ...01 44 75 11 1 Seal Channel Inner Door Right 05700 031 32 91 12 1 Latch Assembly 05700 011 44 41 13 1 Inner Door 05700 031 32 85 14 1 Seal Channel Inner Door Top 05700 031 32 90 15 12 Fastener Screw 10...

Page 52: ...Casting 05700 011 44 40 Latch Roller 05700 011 44 38 Latch Spring 05700 011 44 39 Door Latch Assembly 05700 011 44 41 Stop Left Hinge 05700 021 37 67 Stop Right HInge 05700 021 37 68 Cover Right HInge...

Page 53: ...own 05330 002 60 69 Rinse Arm 05700 031 38 30 Plug Rinse Arm 04730 609 04 00 Bushing Rinse Head 05700 021 33 84 Bearing 03120 002 72 24 Ring Retaining 05340 112 01 11 Wash Arm Weldment 05700 021 46 58...

Page 54: ...ith Nut Nylon Wing 1 4 20 05310 994 01 00 Strainer Weldment 05700 031 35 81 Right Frame Weldment 05700 011 73 86 Left Frame Weldment 05700 011 73 85 Top Panel 05700 041 38 38 Left Dress Panel 05700 04...

Page 55: ...mplate in order to cut away the cutout 5 Remove the template from the control panel 6 Assemble the counter with mounting plate to the control panel using the four screws and locknuts provided 7 One le...

Page 56: ...51 SECTION 7 ELECTRICAL SCHEMATICS...

Page 57: ...JP 24 Technical Manual 7610 002 49 79 Rev D Issued 03 06 2006 Revised N A SECTION 7 ELECTRICAL SCHEMATICS JP 24 JP 24F 208 230 VOLT 50 60 HERTZ SINGLE PHASE 52...

Page 58: ...JP 24 Technical Manual 7610 002 49 79 Rev D Issued 03 06 2006 Revised N A SECTION 7 ELECTRICAL SCHEMATICS JP 24B JP 24BF 208 230 VOLT 50 60 HERTZ SINGLE PHASE 53...

Page 59: ...JP 24 Technical Manual 7610 002 49 79 Rev D Issued 03 06 2006 Revised N A SECTION 7 ELECTRICAL SCHEMATICS JP 24B JP 24BF 460 VOLT 60 HERTZ THREE PHASE 54...

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