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Inspection for worn or broken parts should be made during
every disassembly of the freezer for cleaning or other
purposes.  All worn or broken parts should be replaced to
ensure safety to both the operator and the customer, and
to maintain good freezer performance as well as a quality
product.

NOTE

Frequency of cleaning MUST comply with local health
regulations.

The exterior of the freezer must be kept clean at all times
to preserve the luster of the stainless steel.  A mild alkaline
cleanser is recommended.  Use a soft cloth or sponge to
apply the cleanser.

NOTE

Do not use acid cleaners, strong caustic compounds
or abrasive materials to clean any plastic or stainless
steel parts of the freezer exterior.

A. Remove the dispensers from the side of the freezer

by pulling straight up.  Clean the cup dispensers
and dispenser lids with a mild alkaline cleanser and
soft cloth or sponge.

B. Remove the drip tray support, drip tray, drip tray grid by

lifting up and out. Clean the drip tray parts in the same
manner as the cup dispenser.

C. Remove the two-piece cover and mix level probe

assembly and clean.

D. Remove the flavor pumps from the bottles and

pump warm soapy water through them. Then clean
the bottles and pumps normally.

E. To remove the upper and lower spigot assemblies,

remove the retaining clip and pull the spigot assem-
blies straight out of the product outlet (Fig.15).

Figure 14

Draining Product

Figure 13

Removing Drip Tray and Cover

Summary of Contents for E157

Page 1: ...Model E157 E257 F257 SERVICE MANUAL Manual No 513565 Rev 2 June 2003...

Page 2: ......

Page 3: ...y obligation to modify or provide new parts for freezers built prior to date of change DONOTATTEMPTtooperatethefreezeruntilinstructionsandsafetyprecautionsinthismanualare readcompletelyandarethoroughl...

Page 4: ......

Page 5: ...ventativeMaintenance 17 3 12 ExtendedStorage 18 SECTION4 DECALS AND TAGS 21 4 1 How To Order Decals and Tags 21 SECTION5 REFRIGERANTCOMPONENTSANDADJUSTMENTS 23 5 1 RefrigerationSystem 23 5 2 Compresso...

Page 6: ...WhenRunning 35 8 12 Compressor Will Not Run But Drive Motor Runs 35 8 13 Product Dispenses Incorrectly 35 8 14 Product is Too Thin 36 8 15 Agitator Does Not Rotate 36 8 16 No Ice Crystals On Initial F...

Page 7: ...OperatingControls 9 13 RemoveDripTrayandCover 11 14 DrainingProduct 11 15 RemovingSpigotAssembly 12 16 RemovingSpigotO RIngfromSpigotBody 12 17 Cut away View of Spigot Assembly 12 18 RemovingDriveCap...

Page 8: ...ap 24 35 InstallGauge 25 36 Adjust A X V 25 37 FilterDrierReplacement 26 38 TorqueControl 27 39 TensionSpring 27 40 RemovingTorqueControl 28 41 FanRemoval 29 42 Disconnect Wire 29 43 DriveMotorRemoval...

Page 9: ...40 lbs 63 5 kg ELECTRICAL 1 Phase 115 VAC 1 12 HP Drive Motor 1 Phase 115 VAC 1 12 HP Drive Motor 1 Phase 115 VAC 1 12 HP Drive Motor COMPRESSOR 2500 BTUH frozen product output Approx 11 total running...

Page 10: ...2 Figure 1 Model E157 Front Figure 3 Model E257 Front Figure 2 Model E157 Side Figure 4 Model E257 Side NOTE Figures in parenthesis are in centimeters...

Page 11: ...t pay the freight bill until the freezer has been checked for damage Have the carrier note any visible damage on the freight bill If concealed damage and or shortage is found later advise the carrier...

Page 12: ...S SOTHEYUNDERSTANDHOWTOSAFELY OPERATETHISEQUIPMENT DO NOT REMOVE DEFACE OR PAINT OVER ANY DECALS THEY ARE THERE FOR YOUR SAFETY CAUTION Behind Sani tray Behind Sani tray THIS DEVICE MUST BE PLUGGED IN...

Page 13: ...STANDHOWTOSAFELY OPERATETHISEQUIPMENT DO NOT REMOVE DEFACE OR PAINT OVER ANY DECALS THEY ARE THERE FOR YOUR SAFETY CAUTION Affixed to condenser shroud Affixed to condenser shroud THIS DEVICE MUST BE P...

Page 14: ...e lower left of the freezer under the drip tray and cover F Connect the power cord The plug is designed for 115 volt 15 amp duty The unit must be connected to a properly grounded receptacle The electr...

Page 15: ...NGCUPDISPENSERS To adjust the cup dispensers install the size cup desired into the dispenser and turn the wing nuts on the dispenser mountingbracketuntilenoughtensionisappliedtotherim ofthecuptokeepit...

Page 16: ...8...

Page 17: ...ezer until the main electrical power has been disconnected G Do not operate under unsafe operating conditions Never operate the freezer if unusual or excessive noise or vibration occurs 3 2OPERATINGCO...

Page 18: ...AM or PM D HIGHPRESSUREMANUALRESETSWITCH TheHIGHPRESSUREMANUALRESETSWITCHisa safety switch designed to protect the compressor from damageduetoexcessiveheadpressure Whentripped the lever will be out p...

Page 19: ...ivematerialstocleananyplasticorstainless steel parts of the freezer exterior A Remove the dispensers from the side of the freezer by pulling straight up Clean the cup dispensers and dispenser lids wit...

Page 20: ...ingSpigotAssembly Figure 16 Removing Spigot O Ring from Spigot body Figure 17 Cut away View of Spigot Assembly SHAFT SPACER KNOB O RING SPRING RETAINERCAPFOR SPIGOT VALVE SHAFT PLUG ASSEMBLY SPLASH DE...

Page 21: ...HINTHEOFF POSITIONANDDISCONNECTTHEFREEZER FROMELECTRICALSUPPLYSOURCE 2 Remove the sealer ring by squeezing the looped section and lifting out of the product cylinder Fig 19 Figure 18 Removing Drive Ca...

Page 22: ...or Assembly 5 Unscrew the divider plate from the agitator fingers andremove Fig 21 7 Place all loose parts in a pan or container and take them to the wash sink filled with warm soapy water forcleaning...

Page 23: ...drain spigot Sanitizing must be done after the freezer is clean and just before the product cylinder is filled with mixed neutral base Sanitizingthenightbeforeisnoteffective However you should always...

Page 24: ...ide the assembly down the vertical center post and lock Fig 25 Figure 25 Installing Divider Plate and Agitator Assembly 8 Install the sealer ring by squeezing the looped section and sliding down into...

Page 25: ...tsofliquidby pulling out and pushing in the spigot in a series of short bursts Each time the spigot is closed bubbles will rise to the top of the liquid in the product cylinder When no morebubbles ris...

Page 26: ...DCOULD VOIDTHEWARRANTY CONDENSERCLEANING 1 For the floor models remove the sani tray and insert Remove the two phillips head screws from the lower front panel and pull panel down and out Blow the dirt...

Page 27: ...19 Figure 28 External Parts To Be Cleaned CUP DISPENSERS AND LIDS LIQUIDLEVELINDICATOR DRIPTRAYSUPPORT DRIP TRAY DRIPTRAYGRID ALL PANELS COVERS FLAVORBOTTLES...

Page 28: ...20...

Page 29: ...low SECTION 4 DECALS AND TAGS DECALS AND TAGS FOR MODELS E157 E257 F257 PART NUMBER DESCRIPTION 324105 DECAL CAUTION ELECTRIC SHOCK 324107 DECAL CAUTION MOVING PARTS 324113 DECAL CAUTION GROUNDED PLUG...

Page 30: ...22...

Page 31: ...andwhilepryingtheotherside Figure 30 5 3 CONDENSER The condenser is a air cooled copper tube and aluminum fin type Condensing is totally dependent upon air flow A plugged condenser or restrictions in...

Page 32: ...hod of cleaning the condenser is to use a condenser brush and vacuum NOTE If the condenser is not kept clean loss of refrigeration efficiency will result causing extended run time or inad equate produ...

Page 33: ...and evacuated to 50 microns of mer cury for approximately 30 minutes Figure 35 Install Gauge 5 Pressure gauge reading should be 6 Ifthepressuregaugereadingdoesnotfallwithinthose specifications proceed...

Page 34: ...ry nitrogen then with an open port replace the filter drier using the appropriate brazing material Fig 37 7 Once the filter drier has been replaced repeat the evacuation and recharging procedures Figu...

Page 35: ...f the control is viewed from the back of the freezer while the freezer is operating thefollowingconditionsofnormaloperationwill beevident WARNING VIEWING THE FREEZER WITH ANY SIDE PANEL RE MOVED DURIN...

Page 36: ...efective micro switch 5 Remove the micro switch from the mounting studs and disconnect from the connector C Micro Switch Replacement 1 Connect a serviceable micro switch to connector 2 Install micro s...

Page 37: ...r taking care not to damage the fan blade 7 3 DRIVEMOTORREMOVAL To remove a defective drive motor perform the following procedures WARNING DISCONNECT FREZER FROM ELECTRICAL SOURCE BEFORE SERVICING 1 R...

Page 38: ...the compressor into the freezer from the left side fitting the base over the four mounting studs 6 Installthefourwashersandfournutsontothemounting studs and tighten securely 7 Leavingaportopentopreven...

Page 39: ...2 Install the three socket head screws securing the mounting flange to the freezer and tighten 3 Connect the wire leading from the drive motor to the reset switch 4 Connect the lead wire to the drive...

Page 40: ...32...

Page 41: ...e problem the factory Service Department should be contacted Write or call STOELTING INC Tele 920 894 2293 502 HWY 67 800 558 5807 KIEL WI 53042 Fax 920 894 7029 INDEX DESCRIPTION PAGE 8 1 Compressor...

Page 42: ...mix before adding to hopper Tension spring on torque Spring length should be 3 1 8 long Adjust if necessary Restriction in refrigeration system Determine location and remove Restricted air flow to fr...

Page 43: ...out down position Put reset switch in normal operating position up ON OFF STIR ONLY switch has a loose wire or defective Check repair or replace switch 8 11 DRIVE MOTOR OVERLOAD TRIPS FREEZER SHUTS D...

Page 44: ...blown fuse or input power to freezer Broken wire loose connection or defective switch Check and test repair or replace as necessary Mix too rich Take Brix reading Fill with properly mixed product Fan...

Page 45: ...artmentforareplacement 9 1 HOW TO ORDER PARTS To assure receipt of the proper replacement parts supply your dealer or distributor with the following information A Modelnumberofequipment B Serial numbe...

Page 46: ...38 Figure 50 Model E157 Exploded View...

Page 47: ...39 9 3 MODEL E157 PARTS LIST 718702 282012 SV...

Page 48: ...40 Figure 51 Model E257 Exploded View...

Page 49: ...41 9 4 MODEL E257 PARTS LIST 718702...

Page 50: ...42 Figure 52 Model F257 Exploded View...

Page 51: ...43 9 5 MODEL F257 PARTS LIST 282022 SV...

Page 52: ...44...

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