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Related Manuals for Stoelting E157
Summary of Contents for Stoelting E157
- Page 1 Model E157/E257/F257 SERVICE MANUAL Manual No. 513565 Rev.2 June, 2003...
- Page 3 SERVICE MANUAL FOR MODEL E157, E257 & F257 STOELTING SLUSH FREEZER This manual provides basic information about the freezer. Instructions and suggestions are given covering its operation and care. The illustrations and specifications are not binding in detail. We reserve the right to make changes to the freezer without notice, and without incurring any obligation to modify or provide new parts for freezers built prior to date of change.
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Page 5: Table Of Contents
TABLE OF CONTENTS SECTION DESCRIPTION PAGE SECTION 1 INTRODUCTION ......................Descriptions ........................Specifications ........................SECTION 2 INSTALLATION INSTRUCTIONS ..................Safety Precautions ......................Shipment and Transit ...................... Freezer Installation ......................Adjusting Cup Dispensers ....................SECTION 3 INITIAL SET-UP AND OPERATION ................. Operator's Safety Precautions .................. - Page 6 Excessive Ice Crystals Above Divider Plate ..............8.18 Spigot Leaking or Stuck ....................SECTION 9 REPLACEMENT PARTS AND REFERENCE DRAWINGS ..........How to Order Parts ......................Spigot Assembly Parts....................Model E157 Parts List ..................... Model E257 Parts List ..................... Model F257 Parts List .....................
- Page 7 Model E157 - Side .......................... Model E257/F257 - Front ........................ Model E257/F257 - Side ......................... Adjustable Leg ..........................Warning Label Locations - E157 ..................... Warning Label Locations - E257/F257 .................... Space & Ventilation Requirements ....................Electrical Plug ..........................Installing Drip Tray and Cover ......................
- Page 8 Drive Motor Removal ........................Compressor Removal ........................Install Compressor ......................... Remove Filter Drier ......................... Tension Spring ..........................Fan Installation ..........................Exploded View of Spigot Assembly ....................Model E157 Exploded View ......................Model E257 Exploded View ......................Model F257 Exploded View ......................
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Page 9: Introduction
SECTION 1 INTRODUCTION 1.1 DESCRIPTION Models E157/E257F257 freezers are gravity fed. The This manual is designed to assist qualified service person- freezers are equipped with fully automatic controls to nel and operators in the installation, operation and mainte- provide a uniform product. The freezers are designed to nance of the Models E157/E257/F257 freezers. -
Page 10: Model E157 - Front
Figure 1 Figure 2 Model E157 - Front Model E157 - Side Figure 3 Figure 4 Model E257 - Front Model E257 - Side NOTE: Figures in parenthesis are in centimeters. -
Page 11: Installation Instructions
SECTION 2 INSTALLATION INSTRUCTIONS 2.1 SAFETY PRECAUTIONS NOTE Do not attempt to operate the freezer until the safety Accurate leveling is necessary to insure proper precautions and operating instructions in this manual are operation and correct drainage of freezer barrel. read and completely understood. -
Page 12: Warning Label Locations - E157
THIS DEVICE MUST BE PLUGGED INTO A PROPERLY GROUNDED RECEPTACLE TO PREVENT ELECTRICAL SHOCK HAZARD. TAMPERING WITH THE PLUG OR USING VOLTAGES OTHER THAN THE SPECIFICATIONS ON I.D. PLATE WILL VOID YOUR WARRANTY. REFER TO OWNER'S MANUAL FOR INSTALLATION INSTRUCTIONS. 723529 Figure 6 Warning Label Locations - E157... - Page 13 IMPORTANT NOTICE TO OPERATOR BEFORE INSTALLING EQUIPMENT, READ THE OWNER'S MANUAL CAREFULLY. TAKE NOTE OF ALL INSTRUCTIONS AND CAUTION DECALS ON THIS EQUIPMENT. GO OVER THE MANUAL THOROUGHLY AND POINT OUT ALL DECALS TO YOUR EMPLOYEES, SO THEY UNDERSTAND HOW TO SAFELY OPERATE THIS EQUIPMENT.
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Page 14: Space & Ventilation Requirements
D. The floor model freezers are equipped with air-cooled CAUTION condensers and require correct ventilation. The front of DO NOT ALTER OR DEFORM PLUG IN ANY WAY! the freezer is the air intake and must be unobstructed. Air discharges out of the rear of the unit. Do not obstruct the discharge. -
Page 15: Adjusting Cup Dispensers
2.4 ADJUSTING CUP DISPENSERS To adjust the cup dispensers, install the size cup desired into the dispenser and turn the wing nuts on the dispenser mounting bracket until enough tension is applied to the rim of the cup to keep it from dropping out (Fig. 11). Do not over- tighten the wing nuts. -
Page 17: Initial Set-Up And Operation
SECTION 3 INITIAL SET-UP AND OPERATION 3.1 OPERATOR'S SAFETY PRECAUTIONS G. Do not operate under unsafe operating conditions. A. Know the freezer. Read and understand the Operating Never operate the freezer if unusual or excessive Instructions. noise or vibration occurs. B. -
Page 18: Draining The Freezer For Disassembling And Cleaning
A. STIRRING ONLY-OFF-STIRRING & FREEZING E. SPIGOT ASSEMBLY SWITCH Dispensing of frozen mix is done by the SPIGOT The STIRRING ONLY-OFF-STIRRING & FREEZ- ASSEMBLY. By pulling the spigot plunger out, mix ING switch is a three-position toggle switch used to in the form of ice crystals is dispensed through the control the operation of the refrigeration system and port on the bottom of the SPIGOT ASSEMBLY. -
Page 19: Draining Product
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. -
Page 20: Removing Spigot Assembly
Figure 16 Figure 15 Removing Spigot O-Ring from Spigot body Removing Spigot Assembly O-RING SPLASH DEFLECTOR SPRING SHAFT KNOB FOR SPIGOT SPACER SHAFT & PLUG RETAINER CAP FOR ASSEMBLY SPIGOT VALVE Figure 17 Cut-away View of Spigot Assembly... -
Page 21: Removing Drive Cap And O-Ring
1. With a clean, dry towel, wipe excess lubricant from the spigot assembly and O-ring. Firmly grasp the spigot assembly with both hands and squeeze the O-ring upward (Fig 16). When a loop is formed, roll the O-ring out of the groove toward the end of the spigot assembly. (See Fig. -
Page 22: Removing Divider Plate From Agitator Fingers
5. Unscrew the divider plate from the agitator fingers and remove (Fig.21). Figure 21 Removing Divider Plate from Agitator Fingers 6. Remove the drive shaft by pulling straight up and out of the vertical center post (Fig.22). Figure 23 Exploded View of Divider Plate and Agitator Assembly 7. -
Page 23: Sanitizing The Freezers And Freezer Parts
3.5 SANITIZING THE FREEZER AND FREEZER When sanitizing the freezer, refer to local sanitary regula- PARTS tions for applicable codes and recommended disinfecting After the freezer parts have been soaked and washed in products and procedures. The frequency of sanitizing warm, soapy water, they should be rinsed thoroughly in must comply with local health regulations. -
Page 24: Installing Divider Plate And Agitator Assembly
2. Install the drive shaft into the center post by rotating and pressing down lightly on the shaft until the shaft drops down and engages with the gear BACK box shaft. 3. Replace the plastic lower bushing to the bottom of the vertical center post. -
Page 25: Mix Information
B. Assemble O-rings onto the spigot plungers 3.8 FREEZE DOWN AND OPERATION without lubricant. Then apply a thin film of A. With mixed neutral base in the product cylinder, sanitary lubricant to the exposed surfaces of the start the freezing process by setting the STIRRING O-rings. -
Page 26: Extended Storage
A. DAILY 3.12 EXTENDED STORAGE 1. The exterior should be kept clean at all times to Refer to the following steps for storage of the freezer over preserve the lustre of the stainless steel. A mild any long period of time: alkaline cleanser is recommended. -
Page 27: External Parts To Be Cleaned
CUP DISPENSERS AND LIDS COVERS LIQUID LEVEL INDICATOR FLAVOR BOTTLES DRIP TRAY SUPPORT, DRIP TRAY, DRIP TRAY GRID ALL PANELS Figure 28 External Parts To Be Cleaned... -
Page 29: Decals And Tags
DECAL MANUAL RESET 324393 DECAL STOELTING SWIRL 324548 DECAL ADEQUATE VENTILATION - E257/F257 Floor Model 324585 DECAL REFRIGERATION CHARGE 324649 DECAL ADEQUATE VENTILATION - E157 - Counter Model 723516 TAG ATTN: SET TIMER 723526 TAG READ MANUAL 723529 TAG CAUTION 723537... -
Page 31: Refrigerant Components And Adjustments
SECTION 5 REFRIGERANT COMPONENTS AND ADJUSTMENTS 5.1 REFRIGERATION SYSTEM This section is intended to provide qualified refrigeration technicians with a general understanding of the refrigera- tion system, it's components and adjustments. It is recom- mended that any work done on the freezer be performed by Volt Ohm a qualified refrigeration technician. -
Page 32: Check Condenser
Make sure the freezer is not pulling over 100°F (37°C) air from other 7. For the Model E157, remove the phillips head screws equipment in the area. from the back panel and remove the panel. Clean the condenser following steps 4 - 6 above. -
Page 33: Install Gauge
1. Assuming the side and rear panels have been removed, perform the following procedures for removing the A.X.V. Figure 35. Install Gauge 5. Pressure gauge reading should be: Figure 36. Adjust A.X.V. WARNING DISCONNECT FREEZER FROM ELECTRICAL SUPPLY SOURCE BEFORE SERVICING. 2. -
Page 34: Filter Drier Replacement
6. Break the vacuum to (0 P.S.I.G.) with dry 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. Open Port Figure 37. -
Page 35: Electrical System Operation And Adjustments
SECTION 6 ELECTRICAL SYSTEM OPERATION AND ADJUSTMENTS 6.1 24 HOUR TIMER The 24 hr. timer is used to eliminate refrigeration during non-use hours. When properly set it will prevent build-up of Left Hand Control Bracket Arm large ice crystals and/or build-up of ice on the agitator. The Right Hand Control Bracket Arm timer is located behind the lower front panel. -
Page 36: Removing Torque Control
1. Remove the necessary panels. Model E257 back panel, Model E157 left side panel. 2. Using a 5/16" wrench, remove the two nuts and star washers from the torque control mounting bracket (Fig.40). Remove Nuts Figure 40. Removing Torque Control 3. -
Page 37: Major Component Removal And Installation
SUPPLY SOURCE BEFORE SERVICING. 1. Remove the necessary panels: Model E257 back and Connector side panels, Model E157 back panel and back shroud. 2. Disconnect the condenser fan lead wires. 3. Using a 5/16" nut driver or a phillips screwdriver, remove the four fastening screws from the fan mounting brack- ets (Fig.41). -
Page 38: Compressor Installation
SUPPLY SOURCE BEFORE SERVICING. procedures: 1. Remove the necessary panels. Model E257 back and WARNING side panels. Model E157 back panel and back shroud. DISCONNECT FREEZER FROM ELECTRICAL SUPPLY SOURCE BEFORE SERVICING. 2. Disconnect lead wires at the compressor. ASSUMING THE SIDE AND BACK PANELS HAVE 3. -
Page 39: Drive Motor Installation
10.Break the vacuum (0 P.S.I.G.) through the Schrader valve with the dry nitrogen. 11.Leaving a port open to prevent pressure build-up, remove the filter drier and install a new filter drier using the appropriate brazing material (Fig.46). 3-1/16" 3-1/8" (3-5/8" F257) Filter Drier Figure 47. -
Page 41: Troubleshooting
The technician must find the problem and its source, then make the necessary repairs. In the event the Troubleshooting Guide does not help to correct the service problem, the factory Service Department should be contacted. Write or call: STOELTING, INC. Tele: 920-894-2293 502 HWY. 67... -
Page 42: Compressor Run Capacitor Open, Shorted, Or Blown
8.1 COMPRESSOR RUN CAPACITOR OPEN, SHORTED, OR BLOWN CAUSE CORRECTION Improper capacitor ............Determine correct size and replace. Excessively high line voltage ........... Contact your local power company (110% of rated max.) 8.2 COMPRESSOR RELAY DEFECTIVE OR BURNED OUT Incorrect relay ..............Check and replace. Incorrect mounting angle .......... -
Page 43: Compressor Will Not Start - Hums But Trips On Overload Protector
8.7 COMPRESSOR WILL NOT START - HUMS BUT TRIPS ON OVERLOAD PROTECTOR Improperly wired ............... Check wiring against diagram. Low voltage to unit ............Determine reason and correct. Start capacitor defective ..........Replace start capacitor. Relay failing to close ............Determine reason and correct. Replace relay if necessary. Compressor motor has a winding open or shorted ... -
Page 44: Product Is Too Thin
8.14 PRODUCT IS TOO THIN Ambient temperature is above 100°F (37.7°C) ....Move or direct hot air away from freezer. Freezer is being overdrawn ..........Slow down the rate of draw. Condenser is dirty ............Clean condenser. Fan is stuck or motor is defective ........Check, repair or replace. Temperature adjusting tension spring too loose .... -
Page 45: Replacement Parts And Reference Drawings
Serial number of model, stamped on nameplate. If the wiring decal on your model is missing or has been damaged, please contact Stoelting, Inc. Service Part number, part name and quantity needed. Department for a replacement. Common parts names and numbers are listed in this manual. -
Page 46: Model E157 Exploded View
Figure 50. Model E157 Exploded View... -
Page 47: Model E157 Parts List
9.3 MODEL E157 PARTS LIST 282012-SV 718702... -
Page 48: Model E257 Exploded View
Figure 51. Model E257 Exploded View... -
Page 49: Model E257 Parts List
MODEL E257 PARTS LIST 718702... -
Page 50: Model F257 Exploded View
Figure 52. Model F257 Exploded View... -
Page 51: Model F257 Parts List
MODEL F257 PARTS LIST 282022-SV...