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Summary of Contents for Cornelius 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 Removing the Upper Splash Panel ** This must be 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...
- Page 4 Accessing the Service Screen on IDC Pro 1. Display the keypad screen by tapping each corner of the video screen starting in the upper right corner and continuing to tap each corner in a counterclockwise direction, in the form of a “C”. 2.
- Page 5 Accessing Unit Setup Select Unit Setup - Service Technician Only...
- Page 6 Locating the Correct Valves **We will use the valve purge option to identify the correct valve** While in Unit Setup - select Valve Purge The valve layout on the screen is 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.
- Page 7 MFV Shut offs Procedure to remove an individual MFV module 1. Look for round spindles (white tab) on the bottom back of the valves; there will be one per valve that controls flow to the top and bottom flow controls. Locate the correct valves.
- Page 8 Relieving pressure between backblock and valve **This step will confirm you have the correct valve shut off.** Select Unit Setup - Service Technician Only While in Unit Setup - select Valve Purge The valve layout on the screen is laid out the same orientation of the physical valves.
- Page 9 You do not have to remove the MFV module 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...
- Page 10 Disassembly of MFV for service • NOTE: YOU DO NOT HAVE TO DISCONNECT BEVERAGE TUBING OR WIRING FROM THE VALVE / VALVE BANK TO REMOVE AN INDIVIDUAL VALVE. • Make note of wire harness locations before unplugging (if needed) as there is 6 connections per module.
- 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 Front solenoid is bottom control flow control...
- Page 13 Removing solenoid coil, plunger and spring Rotate solenoid ¼ counterclockwise and remove to service the solenoid, plunger and spring. **Make note of the routing of the coils and wires so they can be placed back into their original orientation.** • Use caution when removing and replacing spring so you won’t lose or bend it...
- 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 ¼ 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 Ensure that the bottom 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 black o- rings.
- Page 20 The 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 aligned.
- Page 21 Completing MFV valve install • Place MFV Valve on the backblock (make sure wires are not pinched) • Push down on the dove tail to secure the valve • Push spindles in the down to open shut offs and allow flow •...
- Page 22 Installing the Upper Splash Panel • Guide the upper splash panel up around the ice dispense lever and the dispensing nozzles. • Align the two hooks on each side of the upper splash panel with the two slots on the right side and left side of the cladding.
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Page 23: Technical Support
Technical support Marmon Link – 1800.238.3600 Follow prompts for technical support...
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