Vollrath Stoelting E157A User manual

Model E157A / E257A
OPERATORS MANUAL
Manual No. 513651 Rev.3
A VOLLRATH® DIVISION

A VOLLRATH® DIVISION
This manual provides basic information about the machine. Instructions and suggestions are
given covering its operation and care. This manual follows the guidance set forth in the follow-
ing industry standards: ANSI Z535.6, ASTM F760-93, ASTM F1827-13, FDA Food Code.
The illustrations and specifications in this manual are not binding in detail. We reserve the right
to make changes to the machine without notice, and without incurring any obligation to modify
or provide new parts for machines built prior to date of change.
DO NOT ATTEMPT to operate the machine until instructions and safety precautions in this
manual are read completely and are thoroughly understood. If problems develop or questions
arise in connection with installation, operation, or servicing of the machine, contact Stoelting
White Glove Service.
For warranty information, visit stoeltingfoodservice.com
stoeltingfoodservice.com
Stoelting Foodservice Equipment
502 Highway 67
Kiel, WI 53042-1600
U.S.A.
White Glove Service Network
Phone: [phone]
© 2021 Stoelting

A Few Words About Safety
Safety Information
Read and understand the entire manual before
operating or maintaining Stoelting equipment.
This manual provides the operator with information
for the safe operation and maintenance of Stoelting
equipment. As with any machine, there are hazards
associated with their operation. For this reason safety
is emphasized throughout the manual. To highlight
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 proper
accident prevention measures.
If you need to replace a part, use genuine Stoelting
parts with the correct part number or an equivalent
part. We strongly recommend that you do not use
replacement parts of inferior quality.
Safety Alert Symbol:
This symbol Indicates danger, warning or caution.
Attention is required in order to avoid serious personal
injury. The message that follows the symbol contains
important information about safety.
Signal Word:
Signal words are distinctive words used throughout
this manual that alert the reader to the existence and
relative degree of a hazard.
WARNING
The signal word “WARNING” indicates a potentially
hazardous situation, which, if not avoided, may result in
death or serious injury.
CAUTION
The signal word “CAUTION” indicates a potentially
hazardous situation, which, if not avoided, may result in
minor or moderate injury.
NOTICE
The signal word “NOTICE” indicates information relating
to equipment/property damage. The information is not
hazard-related.
NOTE
The signal word “NOTE” indicates additional information
relating to the subject, usually a hint or tip, that is
not hazard-related and does not involve equipment/
property damage.

Section Description Page
Table of Contents
Section 1 - Description and Specifications 1
1.1 Description.......................................................................................................................1
1.2 Machine Models.............................................................................................................1
1.3 Specifications..................................................................................................................2
Section 2 - Installation Instructions 3
2.1 Safety Precautions.........................................................................................................3
2.2 Shipment and Transit ....................................................................................................3
2.3 Machine Installation.......................................................................................................3
Section 3 - Initial Set-Up & Installation 5
3.1 Operator’s Safety Precautions ..................................................................................5
3.2 Operating Controls and Indicators ...........................................................................5
3.3 Emptying the Freezer ...................................................................................................6
3.4 Disassembly of Machine Parts....................................................................................6
3.5 Cleaning Disassembled Parts.....................................................................................8
3.6 Assembling Machine.....................................................................................................8
3.7 Sanitizing..........................................................................................................................9
3.8 Freeze Down and Operation ......................................................................................9
Section 4 - Maintenance and Adjustments 11
4.1 Preventative Maintenance...........................................................................................11
4.2 Extended Storage..........................................................................................................11
Section 5 - Replacement Parts 13
5.1 Decals & Lubrication .....................................................................................................13
5.2 Agitator Assembly..........................................................................................................14
5.3 Trays & Hopper Cover ..................................................................................................15
5.4 Spigot Assemblies.........................................................................................................15

Operators Manual #513651 1 E157A / E257A Model Machines
Section 1 - Description and Specifications
1.1 DESCRIPTION
The Stoelting E157A and E257A machines are gravity fed.
They are equipped with fully automatic controls which
provides a uniform product. The machines are designed
to operate with almost any type of neutral base or con-
centrated flavor.
This manual is designed to assist qualified service per-
sonnel and operators in the installation, operation and
maintenance of the Stoelting E157A and E257A gravity
machines.
1.2 MACHINE MODELS
This manual applies to the following machine models:
• E157-37A
• E157X-302A
• E257-37A
• E257X-302A
Figure 1-1 Model E157A (shown on left)
Model E257A (shown on on right)
Figure 1-2 Dimensions
58"
15" 15"
10" 11 1/4"
32"
29 1/2" 15"

Operators Manual #513651 2 E157A / E257A Model Machines
1.3 SPECIFICATIONS
Model E157A Model E257A
Dimensions Machine with crate Machine with crate
width 15’’ (38,1 cm) 28’’ (71,1 cm) 15’’ (38,1 cm) 17’’ (43,2 cm)
height 32’’ (81,3 cm) 40-1/4’’ (102,2 cm) 58’’ (147,3 cm) 66’’ (167,6 cm)
depth 29-1/2’’ (74,9 cm) 35-1/2’’ (90,2 cm) 15’’ (38,1 cm) 21’’ (53,3 cm)
Weight 142 lbs (64,4 kg) 200 lbs (90,7 kg) 140 lbs (63,5 kg) 160 lbs (72,5 kg)
Electrical 1 Phase, 115 VAC, 60Hz
running amps 9A
connection type NEMA5-15P included
International Option 1 Phase, 220-240 VAC, 50Hz
Compressor 2,600 Btu/hr
Drive Motor 1/12 hp
Cooling
Air cooled units require 3” (7.6 cm) air
space on both sides and 1” (2.5 cm) at
the back.
Air cooled units require 6” (15.2 cm) air
space at the back and below
Hopper Volume 10 gallon (37,85 liters)

Operators Manual #513651 3 E157A / E257A Model Machines
2.1 SAFETY PRECAUTIONS
Do not attempt to operate the machine until the safety
precautions and operating instructions in this manual are
read completely and are thoroughly understood.
Take notice of all warning labels on the machine. The la-
bels have been put there to help maintain a safe working
environment. The labels have been designed to withstand
washing and cleaning. All labels must remain legible for
the life of the machine. Labels should be checked periodi-
cally to be sure they can be recognized as warning labels.
If danger, warning or caution labels are needed, indicate
the part number, type of label, location of label, and quantity
required along with your address and mail to:
Stoelting Foodservice Equipment
502 Hwy. 67
Kiel, Wisconsin 53042
2.2 SHIPMENT AND TRANSIT
The machine has been assembled, operated and inspected
at the factory. Upon arrival at the final destination, the
entire machine must be checked for any damage which
may have occurred during transit.
With the method of packaging used, the machine should
arrive inexcellent condition.THE CARRIERIS RESPONSIBLE
FOR ALL DAMAGE IN TRANSIT, WHETHER VISIBLE OR
CONCEALED. Do not pay the freight bill until the machine
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 within 10
days and request inspection. The customer must place
claim for damages and/or shortages in shipment with the
carrier. Stoelting cannot make any claims against the carrier.
2.3 MACHINE INSTALLATION
Installation of the machine involves moving the machine
close to its permanent location, removing all crating, set-
ting in place, assembling parts, and cleaning.
WARNING
Installation must be completed by a qualified
electrician/refrigeration specialist.
Incorrect installation may cause personal injury,
severe damage to the machine and will void
factory warranty.
Section 2 - Installation Instructions
1. Uncrate the machine.
2. Set machine in place:
E257A Floor Models
a. Place in a solid level position. This machine needs
a minimum of 6” (15.2 cm) air space at the back
and below for proper airflow.
b. Accurate leveling is necessary for correct
dispensing of product and to ensure proper
operation. Place a bubble level on top of the
machine at each corner to check for level
condition. If adjustment is necessary, level the
machine by turning the bottom part of each leg
in or out then tighten the lock nut.
E157A Countertop Models
a. Place on a solid level surface. This machine needs
a minimum of 3” (7.6 cm) air space on both sides
and 1” (2.5 cm) at the back for proper airflow.
b. Place the included rubber pad under the machine
to seal it to the surface.
CAUTION
Failure to provide adequate ventilation will void
warranty.
3. Place the Stir/O/Freezing toggle switch in the OFF
position. The switch is located beneath the drip tray
and cover on the lower left side of the machine.
4. Connect the power cord to the proper power supply.
Refer to the nameplate on your machine for proper
supply. The unit must be connected to a properly
grounded receptacle. The use of an extension cord
is not recommended. Do not use an adapter to
circumvent the grounding requirement.
WARNING
Do not alter or deform the electrical plug in
any way. Altering the plug to fit into an outlet
of dierent configuration may cause fire, risk of
electrical shock, product damage and will void
warranty.
5. Install the drip tray support, drip tray, drip tray grid,
and hopper cover on the machine.

Operators Manual #513651 4 E157A / E257A Model Machines