Jackson Dishmachine Component User's Manual
Contents
1. Dishmachine Component Maintenance Instructions Parker Style Solenoid Valve Repair Kits E a d S 07610 003 05 39 A One Canpary Countess Solutions Ap Il 15 20 ril 05 www jacksonmsc com Many Jackson dishmachines are equipped with electrical solenoid valves to allow for automatic fill and rinse These valves are designed to specific tolerances and design aspects that must be met in order to function properly Jackson offers repair kits for replacing some of the wear items associated with solenoid valves which will allow you to save money in that replacement of these parts can take place without removing the solenoid valve from the plumbing assembly The instructions provided here are for maintenance per sonnel only Unauthorized persons should not attempt any of the steps contained in these instructions Warning many of the instructions and steps within this document require the use of tools Only authorized per sonnel should ever perform any maintenance procedure on the dishmachine PREPARATION 1 Power must be secured to the unit at the service break er Tag or lock out the service breaker to prevent accidental or unauthorized energizing of the machine 2 Ensure that incoming water to the machine is secured either by use of a shut off valve or disconnecting the incoming water line TOOLS REQUIRED The following tools will be needed to perform this mainte nance evolution Small flathead screwdriver2. Always verify the wiring steps presented in this instruction with the schematic that shipped with the unit A current schematic can also be found in the unit s instal lation manual Before beginning any step that involves working with wiring ensure that the steps located in the section entitled Preparation have been performed Power must be secured to the machine at the service breaker Failure to do so could result in severe injury to maintenance personnel Parker Style Solenoid Valve Repair Kit Instructions Revision A 04 15 2005 Prying open the coil wire cover 4 When replacing the coil ensure that when removing the coil wire cover that care is taken not to damage the wires inside Using the medium flathead screwdriver gently use it to open the cover enough to where it could be pulled off Straightening the wires 5 Once the coil wire cover has been removed and set to the side take the internal wires and pull them out straight Removing the wire nuts 6 Remove the wire nuts from the wires and separate them Parker Style Solenoid Valve Repair Kit Instructions Revision A 04 15 2005 www jacksonmsc com Loosening the conduit nut 7 Using a pair of channel locks gently loosen the conduit retain ing ring for the conduit nut Once it is loosened use your fingers to unscrew and remove it 8 Pull the conduit away and discard the bad coil Take the new coil and attach the conduit reinstall amp ti
3. Medium flathead screwdriver Needle nose pliers 5 16 nutdriver Channel locks 12 pipe wrench TIME REQUIRED O1 BR D D It is estimated that it will take 1 person twenty minutes to perform this task not including all of the items indicated in the sec tion entitled PREPARATION IMPORTANT NOTES 1 Read these instructions thoroughly before attempting this maintenance evolution Become familiar with the parts and what actions need to be taken This will save time in the long run 2 The procedures demonstrated in this manual are shown being performed on an AJ 44 rack conveyor dishmachine The actual maintenance steps however apply to any Parker style solenoid valve found on a Jackson dishmachine 9 Jackson 1 888 800 5672 www jJacksaonmse com STEPS 1 Remove the top screw with the 5 16 nutdriver Remove the screw and the data plate and set to the side Removing the top screw 2 With the top screw and data plate removed grasp the solenoid coil and gently pull up The coil should slide up allowing you to remove it from the valve bonnet If you are wanting to replace the coil continue on with Step 3 If you are wanting to replace some of the internal components of the valve proceed to step 12 Removing the coil 3 NOTE Replacing the solenoid coil requires working with the wiring of your machine It is important that all wiring maintenance be performed by qualified personnel
4. and Housing Part number 04810 200 02 18 Complete Solenoid Valve Part number 04810 100 12 18 1 2 110 Volt Part number 04810 100 09 18 1 2 230 Volt Part number 04810 100 53 00 3 4 110 Volt Part number 04810 100 03 18 3 4 230 Volt CONTACT INFORMATION Jackson MSC Inc provides technical support for all of the dishmachines detailed in this manual We strongly recommend that you refer to this manual before making a call to our technical sup port staff Please have this manual with you when you call so that our staff can refer you if necessary to the proper page Technical Support is available from 8 00 a m to 5 00 p m EST Monday through Friday Technical support is not available on holidays Contact technical support toll free at 1 888 800 5672 Please remember that technical support is available for service personnel only
5. clean out you can use a heated 14 Remove the O ring and inspect it If it has any tears or cuts or straight pin to push through the hole The center hole the pilot port excessive flat spaces it should be replaced must also be clear If the diaphragm is torn or bent in any way it must be replaced 15 Examine the threads for the valve bonnet Check them for scor ing or signs of damage Take a cloth and clean them out to remove any foreign particles that might get lodged in the threads and cause a leak Severely damage threads should not be repaired instead 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 good idea to go ahead and replace it if you have a new one This will help ensure that your valve remains leak free in the future Diaphragm showing 1 pilot port and 2 extension hole Parker Style Solenoid Valve Repair Kit Instructions 4 Revision A 04 15 2005 Removing the screen retainer 20 Using the small flathead screwdriver lift out the screen retain er Verify that the holes in it are free of clogs and debris Removing the mesh strainer screen 21 Again using the small flathead screwdriver carfully remove the mesh screen from inside the valve body The screen should be taken and rinsed out to remove any debris fouling it View inside the solenoid valv
6. e body Parker Style Solenoid Valve Repair Kit Instructions Revision A 04 15 2005 www jacksonmsc com 22 With the mesh screen removed look down into the valve and verify it is not clogged Remove any foreign objects from the valve body that would obstruct flow 23 Reassemble the valve reversing the steps needed to take it apart Replace defective 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 and turn on Then restore power to the unit Run the unit for at least 10 min utes to ensure there are no leaks If any problems arise you can contact Jackson Technical Service SPECIAL NOTES Work performed on Jackson dishmachines by unautho rized or unqualified personnel may void the warranty Before begin ning this or any other maintenance evolution on a unit under war ranty you should contact a certified Jackson technician or Jackson Technical Service You can find a list of qualified service agencies in the back of you unit s installation manual SPECIAL PARTS Solenoid Valve Plunger Kit Includes plunger and spring Part number 04810 200 09 18 Solenoid Valve Diaphragm Kit Includes diaphragm and o ring Part number 04810 200 03 18 1 2 NPT Part number 04810 100 10 18 3 4 NPT Solenoid Valve 110 Volt Coil and Housing Part number 04810 200 01 18 Solenoid Valve 230 Volt Coil
7. ghten the conduit nut and pullg the wires through so that you will be able to wire the valve back up 9 Reconnect the wires from the conduit to the wires from the sole noid as they had been connected previously Ensure that the wire nuts are on tight 10 Slide the coil wire cover back on taking care not to damage the wires 11 If you are done performing maintenance on the valve continue on to step 23 Otherwise please go on to step 12 Loosening the valve bonnet 12 To remove the valve bonnet grasp it with the jaws of the pipe wrench and turn to the left Note on some models you may have www jacksonmsc com Jackson to remove the valve in order to perform this and any further steps Be careful not to damage the plumbing assembly Only use the pipe wrench enough to where you can spin the valve bonnet off with your hand Removing the diaphragm Removing the valve bonnet 17 Remove the diaphragm retainer and then the diaphragm itself Many problems associated with a solenoid valve can be traced to 13 Slowly remove the valve bonnet Note The spring for the a clogged pilot port in the diaphragm plunger is located directly under the bonnet and may come free if you are not careful Remove the plunger spring and valve bonnet and place to the side Pointing out the extension hole Removing the O ring 18 As indicated in the photo above the extension hole can become clogged If it is difficult to
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