Stoelting E157 User manual

Model E157/E257/F257
SERVICE MANUAL
Manual No. 513565 Rev.2 June, 2003

Thismanualprovidesbasicinformationaboutthefreezer.Instructionsandsuggestionsaregiven
coveringitsoperationandcare.
Theillustrationsandspecificationsarenotbindingindetail. Wereservetherighttomakechanges
tothefreezerwithoutnotice,andwithoutincurringanyobligationtomodifyorprovidenewpartsfor
freezersbuiltpriortodateofchange.
DONOTATTEMPTtooperatethefreezeruntilinstructionsandsafetyprecautionsinthismanualare
readcompletelyandarethoroughlyunderstood. Ifproblemsdeveloporquestionsariseinconnection
withinstallation,operationorservicingofthefreezer,contactyourdistributor.
Stoelting, LLC Tele: 920-894-2293
502 Hwy. 67
Kiel, WI 53042-1600 Fax: [phone]
SERVICE MANUAL
FOR MODEL E157, E257 & F257
STOELTING SLUSH FREEZER

TABLE OF CONTENTS
SECTION DESCRIPTION PAGE
SECTION1 INTRODUCTION .............................................................................................................. 1
1.1 Descriptions .................................................................................................................... 1
1.2 Specifications.................................................................................................................. 1
SECTION2 INSTALLATIONINSTRUCTIONS...................................................................................... 3
2.1 SafetyPrecautions .......................................................................................................... 3
2.2 ShipmentandTransit ...................................................................................................... 3
2.3 FreezerInstallation .......................................................................................................... 3
2.4 AdjustingCupDispensers ............................................................................................... 7
SECTION3 INITIALSET-UPANDOPERATION ................................................................................. 9
3.1 Operator'sSafetyPrecautions ......................................................................................... 9
3.2 OperatingControlsandIndicators.................................................................................... 9
3.3 DrainingtheFreezerforDisassemblingandCleaning ...................................................... 10
3.4 DisassemblyandCleaningof FreezerParts .................................................................... 10
3.5 Sanitizingthe FreezersandFreezer Parts....................................................................... 15
3.6 AssemblyofFreezer ....................................................................................................... 15
3.7 MixInformation................................................................................................................ 17
3.8 FreezeDownandOperation ............................................................................................ 17
3.9 DispensingProduct ......................................................................................................... 17
3.10 RoutineCleaning ............................................................................................................. 17
3.11 PreventativeMaintenance ................................................................................................ 17
3.12 ExtendedStorage............................................................................................................ 18
SECTION4 DECALSANDTAGS....................................................................................................... 21
4.1 HowToOrderDecalsandTags ....................................................................................... 21
SECTION5 REFRIGERANTCOMPONENTSANDADJUSTMENTS................................................... 23
5.1 RefrigerationSystem ....................................................................................................... 23
5.2 Compressor..................................................................................................................... 23
5.3 Condenser....................................................................................................................... 23
SECTION6 ELECTRICALSYSTEMOPERATIONANDADJUSTMENTS ........................................... 27
6.1 24HourTimer.................................................................................................................. 27
6.2 ElectronicTorqueControl ................................................................................................ 27
SECTION7 MAJORCOMPONENTREMOVALANDINSTALLATION................................................. 29
7.1 Introduction ..................................................................................................................... 29
7.2 CondenserFanRemoval.................................................................................................. 29
7.3 DriveMotorRemoval........................................................................................................ 29
7.4 CompressorRemoval ...................................................................................................... 29
7.5 CompressorInstallation ................................................................................................... 30
7.6 DriveMotorInstallation .................................................................................................... 31
7.7 CondenserFanInstallation .............................................................................................. 31
SECTION8 TROUBLESHOOTING ..................................................................................................... 33
8.1 CompressorRunCapacitorOpen,Shorted,orBlown....................................................... 34
8.2 CompressorRelayDefectiveorBurnedOut ..................................................................... 34
8.3 CompressorStarts andRuns, ButShortCycles onOverload Protector ........................... 34
8.4 CompressorRunsContinuously ...................................................................................... 34
8.5 Unit Noisy ....................................................................................................................... 34
8.6 Compressor Will Not Start............................................................................................... 34

TABLE OF CONTENTS
8.7 Compressor WillNot Start-Hums ButTrips OnoverloadProtector................................. 35
8.8 Compressor Starts, But Does Not Switch Off Of Start Windings...................................... 35
8.9 CompressorStartCapacitorOpen,ShortedorBlown ...................................................... 35
8.10 Freezer Will Not Start...................................................................................................... 35
8.11 DriveMotorOverloadTrips(FreezerShutsDownWhenRunning) .................................... 35
8.12 CompressorWillNot Run,But DriveMotor Runs ............................................................. 35
8.13 ProductDispensesIncorrectly......................................................................................... 35
8.14 ProductisTooThin ......................................................................................................... 36
8.15 AgitatorDoesNot Rotate................................................................................................. 36
8.16 No Ice CrystalsOn Initial FreezeDown ........................................................................... 36
8.17 ExcessiveIceCrystalsAboveDividerPlate ..................................................................... 36
8.18 Spigot Leaking or Stuck .................................................................................................. 36
SECTION9 REPLACEMENTPARTSANDREFERENCEDRAWINGS .............................................. 37
9.1 How toOrder Parts.......................................................................................................... 37
9.2 Spigot Assembly Parts.................................................................................................... 37
9.3 Model E157 Parts List ..................................................................................................... 39
9.4 Model E257 Parts List ..................................................................................................... 41
9.5 Model F257 Parts List ..................................................................................................... 43

LIST OF ILLUSTRATIONS
Figure Title Page
1 ModelE157- Front......................................................................................................................... 2
2 Model E157 - Side.......................................................................................................................... 2
3 ModelE257/F257-Front................................................................................................................ 2
4 ModelE257/F257-Side................................................................................................................. 2
5 AdjustableLeg ............................................................................................................................... 3
6 WarningLabelLocations-E157..................................................................................................... 4
7 WarningLabelLocations -E257/F257 ............................................................................................ 5
8 Space&VentilationRequirements ................................................................................................. 6
9 Electrical Plug................................................................................................................................ 6
10 InstallingDripTrayandCover ......................................................................................................... 6
11 AdjustingCupDispensers .............................................................................................................. 7
12 OperatingControls ......................................................................................................................... 9
13 RemoveDripTrayandCover........................................................................................................... 11
14 DrainingProduct............................................................................................................................. 11
15 RemovingSpigotAssembly............................................................................................................ 12
16 RemovingSpigotO-RIngfromSpigotBody..................................................................................... 12
17 Cut-away View ofSpigot Assembly ................................................................................................ 12
18 RemovingDriveCapandO-Ring ..................................................................................................... 13
19 RemovingSealerRing .................................................................................................................... 13
20 RemovingAgitatorAssemblyandLowerBushing ........................................................................... 13
21 RemovingDividerPlatefromAgitatorFingers ................................................................................. 14
22 RemovingDriveShaft...................................................................................................................... 14
23 Exploded Viewof DividerPlate andAgitatorAssembly................................................................... 14
24 LubricatingDriveShaft.................................................................................................................... 15
25 InstallingDividerPlateandAgitatorAssembly................................................................................16
26 ProperInstallationofSealerRing.................................................................................................... 16

LIST OF ILLUSTRATIONS
27 Correctand IncorrectAlignmentof VerticalCenterPost GuideHole ............................................... 16
28 ExternalPartsTo Be Cleaned ........................................................................................................ 19
30 RemovingCompressorTerminalCover............................................................................................ 23
31 CheckWinding............................................................................................................................... 23
32 CheckWindingToGround.............................................................................................................. 23
33 CheckCondenser........................................................................................................................... 24
34 RemoveCap................................................................................................................................... 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....................................................................................................................... 29
44 CompressorRemoval ..................................................................................................................... 30
45 InstallCompressor ......................................................................................................................... 30
46 RemoveFilterDrier ......................................................................................................................... 31
47 TensionSpring ............................................................................................................................... 31
48 FanInstallation............................................................................................................................... 31
49 Exploded View of Spigot Assembly ................................................................................................ 37
50 ModelE157ExplodedView............................................................................................................ 38
51 ModelE257ExplodedView............................................................................................................ 40
52 ModelF257ExplodedView ............................................................................................................ 42

1
1.1DESCRIPTION
Models E157/E257F257 freezers are gravity fed. The
freezers are equipped with fully automatic controls to
provide a uniform product. The freezers are designed to
operatewithmostneutralbasesandconcentratedflavors.
SECTION 1
INTRODUCTION
Thismanualisdesignedtoassistqualifiedserviceperson-
nelandoperatorsintheinstallation,operationandmainte-
nanceoftheModelsE157/E257/F257freezers.
1.2SPECIFICATIONS
E157 COUNTER
MODEL FREEZER E257 FLOOR MODEL FREEZER F257 FLOOR MODEL FREEZER
DIMENSIONS width: 15" (38.1 cm)
depth: 29.5" (74.8 cm)
height: 34.75" (88.3 cm)
width: 15" (38.1 cm)
depth: 19.25" (48.9 cm)
height: 61.38" (156 cm)
width: 15" (38.1 cm)
depth: 19.25" (48.9 cm)
height: 61.38" (156 cm)
WEIGHT 130 lbs. (58.9 kg) 140 lbs. (63.5 kg) 140 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
amps.
- Use 15 Amp circuit breaker
2500 BTUH**
(frozen product output)
- Approx. 11 total running
amps.
- Use 15 Amp circuit breaker
5200 BTUH**
(frozen product output)
- Approx. 9 total running
amps.
- Use 15 Amp cirucit breaker
COOLING Air cooled requires minimum
3" (7.6 cm) air clearance on
sides and 1" (2.5 cm) at rear
of unit.
Requires unobstructed front
and 6" minimum (15.2 cm)
clearance at back of unit. No
clearance needed on side of
unit.
Requires unobstructed front
and 6" minimum (15.2 cm)
clearance at back of unit. No
clearance needed on side of
unit.
HOPPER 10 gallons (37.9 liters) 10 gallons (37.9 liters) 10 gallons (37.9 liters)
* A transformer is required if voltage is over 126.5 volts or under 103 volts.
** Under normal operating conditions.

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.