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How To Replace Solenoid Plunger

Tips on MFV Valve

IDC Pro 255

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Summary of Contents for MFV

Page 1: ...How To Replace Solenoid Plunger Tips on MFV Valve IDC Pro 255...

Page 2: ...The only tool needed to perform this procedure...

Page 3: ...e removed to gain access to the MFV shutoffs Remove the thumb screw behind the door Pull the panel up and forward to release Guide the panel down making sure to clear ice dispense lever and nozzles NO...

Page 4: ...vice Technician 3333 Supervisor 2222 Operator 1111 and press Enter 1 Display the keypad screen by tapping each corner of the video screen starting in the upper right corner and continuing to tap each...

Page 5: ...Accessing Unit Setup Select Unit Setup Service Technician Only...

Page 6: ...laid out the same orientation of the physical valves If you were to take the valve purge screen and lay it over the valves it will show you what valve is what EX you are working on valve CW1 it is the...

Page 7: ...pop up from the top of the valve indicating it is shut off 2 Once spindles are pushed up you should activate the valves in the valve purge screen to release pressure on the backblock before depressing...

Page 8: ...the same orientation of the physical valves If you were to take the valve purge screen and lay it over the valves it will show you what valve is what EX you are working on valve CW1 it is the 6th val...

Page 9: ...all the way out of the machine The next steps in this guide will have the valve and valve bank removed This will provide a better view and show you in more detail how to remove the valve from the val...

Page 10: ...ALVE VALVE BANK TO REMOVE AN INDIVIDUAL VALVE Make note of wire harness locations before unplugging if needed as there is 6 connections per module You can use the valve purge screen to assist with wir...

Page 11: ...Removing valve module Lift up on the front solenoid to separate the valve from the valve module...

Page 12: ...Identifying Top and Bottom Flow Controls Rear solenoid is the top flow control Front solenoid is bottom flow control...

Page 13: ...en removing and replacing spring so you won t lose or bend it Rotate solenoid counterclockwise and remove to service the solenoid plunger and spring Make note of the routing of the coils and wires so...

Page 14: ...Remove the existing plunger tip PN 620070041 water plunger tip PN 620711132 syrup plunger tip SN Cut in 62A1942RP018...

Page 15: ...Replace with a new shiny black plunger tip for water and a burgundy plunger tip for syrup...

Page 16: ...Insert the solenoid back into the valve and rotate turn clockwise to lock it in Also ensure that the coils and wires are in their original orientation...

Page 17: ...Re installing module Place the valve into the valve into the valve bank...

Page 18: ...Start the solenoid at a 45 degree angle and ensure that the rear flange of the valve fits behind the wall of the valve bank The valve should slide easily into place do not force it...

Page 19: ...he bottom red o rings seat and are not pinched in the outlet barbs Replacement of o rings and lubrication with Dow 111 or equivalent is recommended O rings rings are now red but older units may have b...

Page 20: ...valve is back in position and ready to insert the stainless steel locking clip Insert locking clip into the gap between the valve bank and valve If it doesn t slide in easily the valve may not be alig...

Page 21: ...d Push down on the dove tail to secure the valve Push spindles in the down to open shut offs and allow flow Re connect wire harnesses if necessary Check for leaks by activating the modified valves thr...

Page 22: ...ight side and left side of the cladding Insert the hooks into the cladding and push down to ensure the hooks lock into place Insert the thumbscrew and tighten down Close the merchandiser and check for...

Page 23: ...Technical support Marmon Link 1800 238 3600 Follow prompts for technical support...

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