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B. Mix Pump Hose Installation.

Follow the steps below to install the mix pump hose.

1. Turn pump on.

2. Feed one end of mix pump hose into the entering or
   pick-up hose side (left) of black cover.

3. Gently push the hose into the black cover until it begins
   to feed.  See Figure A.

Figure A

4. Allow the hose to feed itself thru the pump until 6"
    remains on the entering side.

5. Turn pump off.

6. Connect mix pump hose to pickup hose adapter using
    small hose clamp. See Figure B.

CAUTION

Risk of Product Damage

Avoid  twisting mix pump hose while feeding into cover.
Twisting the hose may cause the hose to rupture.

Figure B

Figure C

7. Turn pump on.

8. Gently pull on the discharge hose to help remaining 6"

of mix pump hose to feed thru pump until hose adapter
prevents further feeding.

9. Turn pump off. See Figure C.

Summary of Contents for U3-02A

Page 1: ...U3 02A Mix Pump Manual No 513606 Rev 0 April 2004 Owner s Service Manual ...

Page 2: ......

Page 3: ... equip same on mix pump built prior to date of change DONOTATTEMPTtooperatethemixpumpuntilinstructionsandsafetyprecautionsinthemanualarereadcompletely and thoroughly understood The mix pump should be operated only by qualified personnel If problems develop or questionsariseinconnectionwiththeinstallation operation orservicingofthemixpump contactyourlocaldistributor or the company at the following ...

Page 4: ...ghlight specific safety information the following safety definitions are provided to assist the reader The purpose of safety symbols is to attract your attention to possible dangers The safety symbols and their explanations deserve your careful attention and understanding The safety warnings do not by themselves eliminate any danger The instructions or warnings they give are not substitutes for pr...

Page 5: ...NSTRUCTIONS 7 3 1 Safety Precautions 7 3 2 Pump Motor Switch 7 3 3 Operation Of U3 Mix Pump 7 3 4 Cleaning 8 3 5 Disassembly and Inspection of Removable Parts 8 3 6 Sanitizing and Startup 9 3 7 Cleaning Mix Lines 10 SECTION 4 MAINTENANCE INSTRUCTIONS 11 4 1 Overrun Adjustment 11 4 2 Preventative Maintenance 11 SECTION 5 TROUBLESHOOTING 13 SECTION 6 REPLACEMENT PARTS INFORMATION 15 6 1 How to Order...

Page 6: ...Pickup Hose 4 C Pickup Hose 4 3 Mix Pump Installation 5 D 3 wayTee Connection 5 4 Pump Motor Switch 7 5 Mix Pump Operation 8 6 Removing Parts 8 7 Overrun Adjustment 11 8 Reposition Mix Pump Hose 12 9 Pump Roller Assembly 12 10 Pump and Decal Assembly 15 Exploded Parts Illustrations 17 21 Wiring Diagram 22 ...

Page 7: ... to the freezing cylinder of your freezer quickly and conveniently Second the U3 02A Pump precisely injects a preset amount of air into the mix maintainingoverruntoassuremaximumprofitability Third itpressurizesthefreezingcylinder forcingfrozenproduct through the spigot at the rapid dispense rates needed by high volume locations SECTION 1 INTRODUCTION 1 2SPECIFICATIONS WEIGHT 24 lbs 10 89 kg DIMENS...

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Page 9: ...2 B The product at the mix pump and in transfer lines must be maintained below 41 F 5 C 2 3 INSTALLATION A Follow the steps below to install the mix pump in an upright position on the wall using optional pump mounting kit Allow clearance for a mix container under pump See Figure 2 1 Mount by locating four 4 hole centers on cooler wall using mounting bracket as template WARNING Risk of Personal Inj...

Page 10: ...hose to feed itself thru the pump until 6 remains on the entering side 5 Turn pump off 6 Connect mix pump hose to pickup hose adapter using small hose clamp See Figure B CAUTION Risk of Product Damage Avoid twistingmixpumphosewhilefeedingintocover Twisting the hose may cause the hose to rupture Figure B Figure C 7 Turn pump on 8 Gently pull on the discharge hose to help remaining 6 of mix pump hos...

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Page 13: ...h Fig 4 is located on the mix pump assembly When the pump motor switch is placed in the ON position the mix pump motor will be actuated to pump mix into the freezer cylinder When the set pressure is reached the mix pump will shut off automati cally When the pump motor switch is placed in the OFF position the mix pump will be inoperative SECTION 3 OPERATION INSTRUCTIONS Figure 4 Pump Motor Switch N...

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Page 15: ...er with mix Sanitizing the night beforeisnoteffective Tosanitize refertolocalsanitaryregulationsforapplicable codesandrecommendeddisinfectingproductsandproce dures The frequency of cleaning must comply with local health regulations Use a solution containing 100 PPM of free available chlorine Use Stera Sheen Green Label Sanitizer and Cleaner or others in accordance with HealthInspectionRequirements...

Page 16: ...g the pump and freezer as an assembly Once every 2 weeks if required perform the following steps A Mix 2 gallons 7 5 liters of milkstone remove solution according to the directions on the container and pump through the mix line B Cut a piece of sponge slightly larger than the inside diameter of the mix line Place the sponge inside the mix line and force through with tap water pressure A garden hos...

Page 17: ...rm down ward travel is limited by a stationery cam On the face of the cam there is an overrun setting indicator plate numbered 3 thru 8 and an adjustment knob Fig 7 D The overrun setting is indicated by a pointed pin E To adjust overrun loosen the allenhead screw located within the center of the adjustment knob with the 5 32 allen wrench provided Rotate the adjustment knob counterclockwise to a hi...

Page 18: ...12 Roller Cover Clamp Inlet Side Discharge Side Cover Clamp Discharge Inlet Roller ...

Page 19: ...SSURE IN THIS CASE TURN THE PUMP OFF DRAW 2 3 PINTS TO REDUCE SYSTEM PRESSURE TO ZERO TURN PUMP ON PURGE REMAINING AIR IN MIX BAG AND PICK UP HOSE IMPORTANT Before connecting the pick up hose to the mix bag purge the mix bag of air to the extent possible Out of Mix Replenish mix supply MIx pump hose kinked inside black cover clamp Follow mix pump hose jammed repair See 1 above Hoses assembled inco...

Page 20: ... R t u o h c l e b o t r i a s s e c x e w o l l a d n a y l l u f t o g i p s n e p O E V O B A 4 2 E E S O S L A E T O N P M U P M O R F E G A K A E L X I M 8 n a e l c d n a e l b m e s s a s i d y l e t a i d e m m i s t i s o p e d x i m d e i r d m o r f e g a m a d p m u p x i m t n e v e r p o T N O I T U A C p m u p d e d e e c x e s i e f i l e c i v r e s e s o h p m u p x i M r e w o p...

Page 21: ...ibutor or the company with the followinginformation A Model number of equipment B Serial number of Model Stamped on nameplate C Part number part name and quantity needed Many part names and numbers are listed in this manual NOTE Minimum Billing is 50 00 Net 6 2 PARTS LIST AND REFERENCE DRAWINGS The following lists and drawings will aid the user when ordering parts or servicing the mix pump ...

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Page 29: ...oelting prompt written notice of any claimed breach of warranty within the applicable warranty period and c delivers the affected equipment to Stoelting or its designated service location in its original packaging crating also within that period Buyer shall bear the cost and risk of shipping to and from Stoelting s plant or designated service location 4 Extensions The warranty period for deinstall...

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