Stoelting C131 Service Manual
Model C131
OPERATORS MANUAL
Manual No. 513544 Rev.1
This manual provides basic information about the machine. Instructions and suggestions are
given covering its operation and care.
The illustrations and specif cations 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.
stoeltingfoodservice.com
Stoelting Foodservice Equipment
502 Highway 67
Kiel, WI 53042-1600
U.S.A.
Main Tel: 800.558.5807
Fax: 920.894.7029
Customer Service: 888.429.5920
Fax: 800.545.0662
Email: foodservice@stoelting.com
© 2014 PW Stoelting, LLC
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
specif c safety information, the following safety def nitions 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 and equipment/property
damage.
CAUTION
The signal word “CAUTION” indicates a potentially
hazardous situation, which, if not avoided, may result
in minor or moderate injury and equipment/property
damage.
CAUTION
The signal word “CAUTION” not preceded by the
safety alert symbol indicates a potentially hazardous
situation, which, if not avoided, may result in equipment/property damage.
NOTE (or NOTICE)
The signal word “NOTICE” indicates information or
procedures that relate directly or indirectly to the
safety of personnel or equipment/property.
TABLE OF CONTENTS
SECTION1 - SPECIFICATIONS ................................................................................... 1
1.1 Description ............................................................................................................ 1
1.2 Specifications ........................................................................................................ 1
SECTION 2 - INSTALLATION INSTRUCTIONS .......................................................... 3
2.1 Safety Precautions................................................................................................. 3
2.2 Shipment and Transit ............................................................................................. 4
2.3 Freezer Installation ................................................................................................. 4
2.4 Floor Stand Installation........................................................................................... 4
SECTION 3 - INITIAL SET-UP AND OPERATION....................................................... 7
3.1 Operator's Safety Precautions................................................................................ 7
3.2 Operation Controls and Indicators.......................................................................... 7
3.3 Sanitizing ............................................................................................................... 7
3.4 Freeze Down and Operation .................................................................................. 10
3.5 Mix Information....................................................................................................... 10
3.6 Removing Mix From the Freezer ............................................................................ 11
3.7 Cleaning the Freezer.............................................................................................. 11
3.8 Disassembly of Freezer Parts ................................................................................ 11
3.9 Cleaning the Freezer Parts .................................................................................... 13
3.10 Sanitize Freezer and Freezer Parts ........................................................................ 13
3.11 Assembly of Freezer .............................................................................................. 13
3.12 Routine Cleaning ................................................................................................... 14
3.13 Preventative Maintenance ...................................................................................... 14
3.14 Extended Storage .................................................................................................. 15
SECTION 4 - TROUBLESHOOTING............................................................................ 17
SECTION 5 - REPLACEMENT PARTS........................................................................ 19
5.1 How To Order Parts................................................................................................ 19
LIST OF ILLUSTRATIONS
Fig. Description Page
1 C131 Specifications ........................................................................................... 1
2 Warning Label Locations.................................................................................... 3
3 Space and Ventilation Requirements.................................................................. 4
4 Grounding Plug .................................................................................................. 4
5 Floor Stand ........................................................................................................ 5
6 Controls ............................................................................................................. 8
7 Mix Inlet Regulator .............................................................................................. 9
8 Sanitizing Procedure .......................................................................................... 9
9 Sanitizing Hopper............................................................................................... 9
10 Open Spigot and Drain Solution ......................................................................... 9
11 Dispensing Product............................................................................................10
12 Removing Mix Inlet Regulator..............................................................................11
13 Auger Flight and Front Auger Support Bushing Wear..........................................11
14 Removing Front Door ......................................................................................... 12
15 Removing Spigot................................................................................................12
16 Removing Front Auger Supports.........................................................................12
17 Removing Auger Assemblies .............................................................................12
18 Removing O-Rings .............................................................................................12
19 Washing Hopper and Freezer Barrel .................................................................. 13
20 Exploded View of Auger .....................................................................................13
21 Removing Spigot................................................................................................14
22 Sanitizing Air Inlet Regulator...............................................................................14
23 Electrical Components ....................................................................................... 20
24 C131 Exploded View ......................................................................................... 21
25 Refrigeration System..........................................................................................22
SECTION 1
SPECIFICATIONS
1.1 DESCRIPTION
The Stoelting Centura 131 gravity fed, counter-top freezer
provides a uniform product, and is designed to operate
with almost any type of commercial soft serve or nondairy mix available, including ice milk, ice cream, yogurt,
and frozen dietary desserts.
THE FREEZER IS DESIGNED TO BE USED WITH
BOTH BARRELS IN OPERATION.
This manual is designed to assist qualified service personnel and operators in the installation, operation and
maintenance of the Stoelting Model Centura 131 gravity
freezer.
Information Packet Location
Model Centura 131 - Left Side
1.2 SPECIFICATIONS
Dimensions:
Width: 22" (56 cm)
Depth: 27" (68 cm)
Height: 34.75" (88 cm)
Weight: 370 lbs. (168 kg)
Electrical:
Description: Centura 131
Voltage AC: 1 Ph, 208-230V
Total Run. Amps: 10
Drive Motor: 1.5 HP
Compressor: 9960 BTU
Use 20 amp HACR circuit breaker.
Cooling
Air cooled requires minimum 3" air clearance on right and
left hand side. No clearance needed in the rear.
Hopper
3 Gallons (11.35 liters) each refrigerated and insulated.
Figure 1
C131 - Specifications
1
2
SECTION 2
INSTALLATION INSTRUCTIONS
2.1 SAFETY PRECAUTIONS
Do not attempt to operate the freezer 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 freezer (Fig. 2).
The labels 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 freezer.
Labels should be checked periodically 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:
STOEL TING, INC.
A TTENTION: Marketing Services
502 Hwy . 67
Kiel, Wisconsin 53042-1600
Fig. 2. Warning Label Locations
3
2.2 SHIPMENT AND TRANSIT
The freezer has been assembled, operated and inspected at the factory. Upon arrival at the final destination, the complete freezer must be checked for any
damage which may have occurred during transit.
D. Place the CLEAN-OFF-ON switch in the OFF posi-
tion.
E. Install the drip tray, covers and other miscellaneous
parts on the freezer.
With the method of packaging used, the freezer should
arrive in excellent condition. THE CARRIER IS RESPONSIBLE FOR ALL DAMAGE IN TRANSIT,
WHETHER VISIBLE OR CONCEALED. Do not 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 damaged 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, Inc.
cannot make any claims against the carrier.
2.3 FREEZER INST ALLATION
Installation of the freezer involves moving the freezer
close to its permanent location, removing all crating,
setting in place, assembling parts, and cleaning.
A. Uncrate the freezer.
B. Accurate leveling is necessary for correct drainage
of freezer barrel and to insure correct overrun. Place
a spirit level on top of the freezer at each corner to
check for level condition. If adjustment is necessary,
level the freezer by turning the bottom part of each
leg in or out. Then separate freezer base gasket and
install with the seam to the back and the flat to the
bottom (Fig. 3).
F. Connect the power cord. The plug is designed for 208
or 230 volt/20 amp duty. Check the nameplate on
your freezer for proper supply. The unit must be
connected to a properly grounded receptacle. The
electrical cord furnished as part of the freezer has a
three prong grounding type plug (Fig.4). The use of an
extension cord is not recommended. If one must be
used, use one with a size 12 gauge or heavier with a
ground wire. Do not use an adaptor to get around
grounding requirement.
Fig. 4. Grounding Plug
C. Air cooled freezers require correct ventilation. The
right side of the freezer is the air intake and must
have a 3" (7.5cm) clearance. Air discharges out of the
left side of the unit and must have 3" (7.5cm) clear-
ance. Do not obstruct the intake or discharge (Fig.3).
CAUTION
FAILURE TO PROVIDE ADEQUATE VENTILATION WILL
VOID WARRANTY!
CAUTION
DO NOT ALTER OR DEFORM PLUG IN ANY WAY!
2.4 FLOOR ST AND INSTALLATION
To install the C131 on the floor stand, follow the steps
outlined below.
1. Uncrate the floor stand and place in an uprightposition.
NOTE
Detailed instructions are included with each floor stand.
2. Place a spirit level across the top of the stand to
check for level condition, side to side and front to
back. If adjustment is necessary, level the stand by
turning the bottom part of each leg in or out, then
tighten the lock nut.
3. Remove the four legs from the freezer and replace
with the four leg adapters provided. Adapters must be
fully tightened to the freezer.
Fig. 3. Space and Ventilation Requirements
4
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