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PROBLEM:

  

Push product button and no syrup is dispensed.

  

 

POSSIBLE SOLUTION:  *Check to make sure there is product in Syrup tank or BIB containers. *

Check prod-

uct connection at BIB container’s outlet fitting and the pump. *Check CO2 supply to syrup tank or BIB pump.

 

* Is product or pump inlet line kinked or crimped? *Is shut off screw in closed position? 

Open shut off screw. *

 

Is brix screwed in too far? 

Open brix screw.  

 

PROBLEM:  Push soda button and no soda is dispensed. 

POSSIBLE SOLUTION: * Is carbonator plugged in? 

Check power supply.

 * Is water supply to carbonator on? 

Check water supply. *

 Check CO2 supply to carbonator. * Is line kinked or crimped? *Is shut off screw in 

closed position?  

Open shut off screw (page 3). *

 Is brix screw screwed in too far? 

Open brix screw (page 3). 

Is proper butterfly configuration being used? 

Check butterfly maps on pages 8 and 9.   

 

PROBLEM:  Push water button and no water is dispensed. 

POSSIBLE SOLUTION: *

 Check water supply. *

 Is line kinked or crimped. *Is shut off screw in closed posi-

tion? 

Open shut off screw. *

 Is brix screw screwed in too far? 

Open brix screw. *

 Is proper butterfly configura-

tion being used?  

Check Butterfly map. 

 

PROBLEM:  Push product  button, dispenses wrong product.  

POSSIBLE SOLUTION:  *Is correct BIB container connected to proper BIB pump? 

Check BIB product con-

tainer and pump. *

 Is correct product tubing connected to proper position on manifold? 

Check connection at  

brix manifold. 

 

PROBLEM: Product(s) taste “weak” or watered down.  

POSSIBLE SOLUTION:  Was dispenser brixed at proper operating temperature? Make sure cold plate is 
iced down correctly. * Is CO2 supply to containers or pumps set properly? 

Check CO2 supply and regulators, 

adjust to correct settings. Check CO2 supply to carbonator, set high pressure regulator between (95-105 
PSI). Check brix screw on soda and/or water positions. Check brix screws on product. Check to be certain 
shut off screw slots are in proper position. (Flow runs in same direction as slot.) Rebrix the dispenser.

 

 

PROBLEM:  Product(s) taste “strong” or syrupy. 

POSSIBLE SOLUTION: Was dispenser brixed at proper operating temperature? Make sure cold plate is iced 
down correctly. * Is CO2 supply to containers or pumps set properly? Check CO2 supply and regulators, ad-
just to correct settings. 

Check CO2 supply to carbonator, set high pressure regulator between (95-105 psi). 

Check brix screw on soda and/or water positions. Check brix screws on product. Check to be certain shut off 
screw slots are in proper position. (Flow runs in same direction as slot.) Re-brix dispenser. 

 

PROBLEM: Push button and release, product keeps dispensing. 

POSSIBLE SOLUTION:  * Butterfly plates are too tight. Remove button plate and loosen butterfly retainers, 
these only need to be snug. 

Do not over tighten!

* Debris caught in cork o- ring. Hold hand over nozzle, de-

press all buttons at once, back flushing dispenser.  This may dislodge particle enough to pass through dis-
penser. 

Change cork o-ring

 

PROBLEM:  When button is depressed, product oozes from under button plate. 

POSSIBLE SOLUTION:  * Stem o-ring defective. 

Replace stem o-ring (p/n PH10-20).

 

 

PROBLEM:  Product leaks or drips out  of  nozzle. 

POSSIBLE SOLUTION:  * Cork o-ring (older models) or molded valve is defective. 

Replace cork o-ring or 

replace entire valve with new molded valve stem (p/n  PH10-89). 

 

PROBLEM:  Product leaking  around bottom plate. 

POSSIBLE SOLUTION:  * Hat o-ring has failed. 

Replace hat o-ring (p/n PH10-26).  

 




MARK 4 MANUAL 

www.wunderbar.com 

Summary of Contents for Mark 4

Page 1: ...e and phone number here for future reference SERVICE AGENT NAME ___________________ DATE OF INSTALLATION _______________ SERVICE AGENT PHONE ___________________ SERIAL NUMBER ______________________ Or call the Wunder Bar Service Hotline 1 866 WUNDERBAR 1 866 986 3372 anytime or 707 448 5151 Monday through Friday 7 00 AM to 5 00 PM Pacific Time MARK 4 MANUAL REV041410 Mark 4 POST MIX BEVERAGE DISPE...

Page 2: ...f the mount ing hardware package to secure the tube collector manifold assembly to the underside of the bar A Kwik Mount kit is also available as an optional item It is recommended that a screw be placed in both the tube collector and the brix manifold to prevent unwanted flexing SANITARY DRIP CUP Fig 4 INSTALLATION INSTRUCTIONS 1 Position the PH10 121 Drip Cup Holder into the recess located under...

Page 3: ...ates and clockwise or in to decrease flow rates Fig 6 The brix screws are the exposed screws on the product manifold Do not turn the Shut Offs to adjust the brix ratio The shut offs are closest to the input fitting side of the manifold and are open when the Shut Off tabs or screw slots are in line with the flow of product through the manifold see Fig 7 Repeat the adjustment process to set the wate...

Page 4: ...ll air has been removed from the soda water and syrup lines Air will cause varying flow Also be sure to chill all liquid to its normal operating temperature to assure proper settings GENERAL OPERATING INSTRUCTIONS FOR FLOW REGULATORS Your Flow Regulator Manifold was factory pre set and tested to the following pressures and flow rates Achieving Finished Product Flow Rate of 1 5 Ounces Per Second 1 ...

Page 5: ... dis penser you must turn off all syrups water and carbonated water The manifold is equipped with shut offs or shut off screws for each of the syr ups the soda and the water Fig 12 The shut offs work like a gate valve There is a hole through the shut off that is aligned in the same direction as the shut off s tab handle This allows each beverage dis penser on the system to be shut off indi viduall...

Page 6: ... Remove the button plate Remove only the butterfly plates located directly above the stem O ring to be replaced Fig 17 Lift up and remove the O ring retainer plate from above the stem O ring that is to be replaced Fig 18 Use the spring end of the Stem O ring Removal Tool p n PH10 112 to stab and then remove the defective Stem O ring from the O ring cav ity Fig 19 Turn the spring end counterclockwi...

Page 7: ...f your hand using the tip of the metal stem on a spare valve plunger stem Figs 25 26 Install a replacement cream colored Santoprene rubber valve plunger stem back into the valve cavity all the way up through the stem O ring Position the locking hat plug with spring and O ring onto the slotted end of the locking hat plug tool Fig 24 Position the hat plug with spring and O ring into the valve cavity...

Page 8: ...isconnect the handle and sheathing assembly from the manifold Remove the Tube Collector Cover screws to gain access to the tube ends and inter connect fittings Lift up on the desired tube s interconnect fitting and unsnap it to separate it from the tube collector The Individual tube can now be re placed in the field Remove the four screws from the handle heel and slide the heel and sheathing away ...

Page 9: ...The half moon cut out area of the butterfly plates are where the retainer and retainer screws are located when attaching the plates to the handle When replacing butterfly plates be careful not to over tighten the retainer screws Over tightening the retainer screws can cause the butterfly plates to bind See the Butterfly Plate Maps on pages 10 and 11 of this manual EXPLANATION OF MODEL NUMBERS _ _ ...

Page 10: ...10 B U T T E R F L Y M A P MARK 4 MANUAL M4 10800 M4 10700 M4 10620 M4 8600 M4 10530 M4 8510 M4 10440 M4 10350 M4 10260 M4 10170 M4 10080 M4 12640 M4 12550 M4 12460 www wunderbar com ...

Page 11: ...11 B U T T E R F L Y M A P MARK 4 MANUAL M4 12820 M4 12730 M4 12640 M4 12550 M4 12460 M4 12370 M4 12280 M4 14840 M4 14750 M4 14660 M4 14570 M4 14480 www wunderbar com ...

Page 12: ...e Brush in Cleaning Solution as shown in Fig 1 2 Wrap the brush around the sheathing at the Heel end Fig 2 Move the brush up and down the entire length of the Sheathing from Heel to Manifold Fig 3 a minimum of 6 times 3 Immerse the Brush in the Cleaning Solution Rotate the Sheathing Brush 1 2 turn Move the Brush up and down the entire length of the Sheathing 6 more times 4 Immerse the Sheathing Br...

Page 13: ...uttons 4 Allow the cleaning solution to remain in the system for a minimum of two minutes Then proceed to step 5 RINSE INSTRUCTIONS RINSE INSTRUCTIONS 5 Rinse and fill the Sanitizing Tank or Bucket with clean warm water 100 F 38 C 6a SANITIZING TANK Attach the BIB connector to the Sanitizing Tank outlet s Fig 2 to RINSE one syrup circuit at a time or to a tank manifold if so equipped to RINSE mult...

Page 14: ...perly Check CO2 supply and regulators adjust to correct settings Check CO2 supply to carbonator set high pressure regulator between 95 105 PSI Check brix screw on soda and or water positions Check brix screws on product Check to be certain shut off screw slots are in proper position Flow runs in same direction as slot Rebrix the dispenser PROBLEM Product s taste strong or syrupy POSSIBLE SOLUTION ...

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