This Manual is prepared for the use of trained Vulcan Service
Technicians and should not be used by those not properly
qualified.
This manual is not intended to be all encompassing. If you have
not attended a Vulcan Service School for this product, you should
read, in its entirety, the repair procedure you wish to perform to
determine if you have the necessary tools, instruments and skills
required to perform the procedure. Procedures for which you do
not have the necessary tools, instruments and skills should be
performed by a trained Vulcan Service Technician.
The reproduction, transfer, sale or other use of this Manual,
without the express written consent of Vulcan, is prohibited.
This manual has been provided to you by ITW Food Equipment
Group LLC ("ITW FEG") without charge and remains the property
of ITW FEG, and by accepting this manual you agree that you will
return it to ITW FEG promptly upon its request for such return at
any time in the future.
A product of Vulcan-Hart3600 North Point Blvd Baltimore, MD 21222
F45474 (0413)
VK and TR GAS FRYERS W/Wo KleenScreen PLUS
TABLE OF CONTENTS
GENERAL .................................................................................................. 4
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - GENERAL
GENERAL
INTRODUCTION
This service manual covers the specific service information related to the models listed in the chart below. The VK
and TR series gas fryers come equipped with solid state analog (A), solid state digital (D) or programmable computer
(C) controls. This manual covers single floor model fryers, battery fryers as well as fryers with the KleenScreen
PLUS® Filtration System. All pictures and illustrations will be of a 2VK45 unless otherwise noted.
All of the information, illustrations and specifications contained in this manual are based on the latest product
information available at the time of printing.
MODEL AND ML NUMBERS
MODELML #MODELML #MODELML #
1VK45A1368851VK45D1368861VK45C136887
1VK65A1368881VK65D1368891VK65C136890
1VK85A1368911VK85D1368921VK85C136893
1VK45AF1366841VK45DF1368951VK45CF136896
1VK65AF1368971VK65DF1368981VK65CF136899
1VK85AF1369001VK85DF1369011VK85CF136902
2VK45AF1369032VK45DF1369042VK45CF136905
2VK65AF1369062VK65DF1369072VK65CF136908
2VK85AF1369092VK85DF1369102VK85CF136911
3VK45AF1369123VK45DF1369133VK45CF136914
3VK65AF1369153VK65DF1369163VK65CF136917
3VK85AF1369183VK85DF1369193VK85CF136920
4VK45AF1369214VK45DF1369224VK45CF136923
4VK65AF1369354VK65DF1369414VK65CF136937
4VK85AF1369384VK85DF1369394VK85CF136940
1TR45A1369463TR45CF1369593TR65CF136972
1TR45AF1369474TR45CF1369601TR85A136973
2TR45AF1369481TR65A1369611TR85AF136974
3TR45AF1369491TR65AF1369622TR85AF136975
4TR45AF1369502TR65AF1369633TR85AF136976
1TR45D1369513TR65AF1369641TR85D136977
1TR45DF1369521TR65D1369651TR85DF136978
2TR45DF1369531TR65DF1369662TR85DF136979
3TR45DF1369542TR65DF1369673TR85DF136980
4TR45DF1369553TR65DF1369681TR85C136981
F45474 (0413)Page 4 of 54
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - GENERAL
MODELML #MODELML #MODELML #
1TR45C1369561TR65C1369691TR85CF136982
1TR45CF1369571TR65CF1369702TR85CF136983
2TR45CF1369582TR65CF1369713TR85CF136984
4TR65AF1369854TR65DF1369864TR65CF136987
4TR85AF1369884TR85DF1369894TR85CF136990
MODELS, FEATURES AND OPTIONS
MODELS, FEATURES AND OPTIONS
FEATURESOPTIONS
MODEL
1VK/TR45A /D / C /
AF / DF / CF
1VK/TR65A / D / C
AF / DF / CF
1VK/TR85A / D / C /
AF / DF / CF
2VK/TR45AF / DF /
CF
3VK/TR45AF / DF /
CF
4VK/TR45AF / DF /
CF
2VK/TR65AF / DF /
CF
3VK/TR65AF / DF /
CF
4VK/TR65AF / DF /
CF
2VK/TR85AF / DF /
CF
3VKTR85AF / DF / CF 63.0"85 - 9090,000SINGLE OR DUAL
4VK/TR85AF / DF /
CF
FRYER WIDTH
(INCHES)
15.5"45 - 5070,000SINGLE OR DUAL
21.0"65 - 7080,000SINGLE OR DUAL
21.0"85 - 9090,000SINGLE OR DUAL
31.0"45 - 5070,000SINGLE OR DUAL
46.5"45 - 5070,000SINGLE OR DUAL
62.0"45 - 5070,000SINGLE OR DUAL
42.0"65 - 7080,000SINGLE OR DUAL
63.0"65 - 7080,000SINGLE OR DUAL
84.0"65 - 7080,000SINGLE OR DUAL
42.0"85 - 9090,000SINGLE OR DUAL
84.0"85 - 9090,000SINGLE OR DUAL
KLEENSCREEN PLUS FILTRATION
SYSTEM: (KSP)
The KleenScreen PLUS® filtration system is
integrated into the VK Series fryer battery. The filter is
housed in a pullout drawer assembly at the base of
SHORTENING
CAPACITY PER
FRYER (POUNDS)
the fryer. The filtering components in the drawer
include a stainless steel filter tank, a stainless steel
mesh filter screen with a stainless steel insert, a
suction tube and a knurled knob that holds the
assembly together. In addition, the KSP comes with a
second filtering system; a microfilteration fabric
envelope (3), a dedicated stainless steel insert and
stainless steel clip that holds the assembly together.
Page 5 of 54F45474 (0413)
BTU/HR/SECTION
AUTOMATIC
BASKET LIFTS
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - GENERAL
With the filter drawer closed, a self-sealing oil return
line provides the path to return the filtered shortening
back into the fry tank.
This system is designed to provide a through and easy
method to filter the shortening. Some of the benefits
include:
•Self-contained system eliminating the use of
external filter equipment
•Paperless filtering system
•Easy to clean and low maintenance
•Extends the life of the shortening
KSP fryer batteries are standard in single and up to a
maximum of a four fryer battery in most cases.
Batteries are made up of only fryers, no warming
stations.
SERIAL NUMBER LOCATION
Serial number plate is attached to door of fryer.
Fig. 1
Fig. 2
This serial number plate is attached to bottom rear
support panel. This plate is pop riveted to support
panel and should not come off.
CONTROL PANELS
This serial number plate supplies more than the serial
number. It also contains electric requirements, gas
requirements, clearances and agency approvals. This
plate is pop riveted to the door and should not be
removed. However the door sometimes comes off and
can become misplaced. If that happens there is a
second serial number location on fryer.
F45474 (0413)Page 6 of 54
ANALOG CONTROL
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - GENERAL
•VOM with A.C. current tester (any quality VOM
with a sensitivity of at least 20,000 ohms per volt
can be used).
SPECIAL
•Temperature tester (thermocouple type)
•Manometer.
•Combustion Analyzer
SOLID STATE CONTROL
COMPUTER CONTROL
•Set of Metric Hex Wrenches (must include a 2
mm wrench)
•Set of jewelers screwdrivers
•Field service grounding kit P/N TL- 84919.
•Burndy pin extraction tool RX2025 GE1; Newark
Electronics Catalog Number 16F6666. Used for
removing pin terminals on Burndy connectors.
•Thumb Drive (part number 443444) (Customer to
supply program for uploading menu items)
SPECIFICATIONS
ELECTRICAL:
•120VAC supply.
•Filter motor/pump
•Basket lift motors
•Transformer
•24VAC transformer
•Fryer controls
USB Port
INSTALLATION
Refer to the Instruction Manual for detailed installation
instructions.
OPERATION
Refer to the Instruction Manual for specific operating
instructions.
CLEANING
Refer to the Instruction Manual for specific cleaning
instructions.
TOOLS
STANDARD
•Standard set of hand tools.
Page 7 of 54F45474 (0413)
•Basket lift relays
•Filter relay
MANIFOLD GAS PRESSURES (per fryer section)
•Natural - 0.08" W.C.
•Propane - 0.08" W.C.
BUILDING SUPPLY PRESSURE (MAX)
•Natural Single Fryer - 6" W.C.
Natural Battery Fryer - 8" W.C.
•Propane Single and Battery Fryers - 11" W.C.
NOTE: Natural and propane gases listed above are
maximum supply pressures. On fryers built before
12/1/12 a separate gas regulator must be used for
pressures exceeding maximum (not supplied with
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - GENERAL
unit). On fryers built after 12/1/12 an incoming gas
pressure regulator is installed on the fryer.
VKINPUT BTU RATING
VK SERIESBTU/HR/SECTION
VK45A, VK45AF, VK45D,
VK45DF, VK45C,
VK45CF
VK65A, VK65AF, VK65D,
VK65DF, VK65C,
VK65CF
VK85A, VK85AF, VK85D,
VK85DF, VK85C,
VK85CF
TR INPUT BTU RATING
TR SERIESBTU/HR/SECTION
TR45A, TR45AF, TR45D,
TR45DF, TR45C,
TR45CF
TR65A, TR65AF, TR65D,
TR65DF, TR65C,
TR65CF
TR85A, TR85AF, TR85D,
TR85DF, TR85C,
VK85CF
70,000
80,000
90,000
70,000
80,000
90,000
F45474 (0413)Page 8 of 54
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
REMOVAL AND REPLACEMENT OF PARTS
COVERS AND PANELS
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Shut off the gas before servicing the
unit.
Control Panel (Solid State and Computer)
1.Remove screws at top of control panel and rotate
panel downwards.
Fig. 7
2.Disconnect wiring harness then lift panel off.
NOTE: The cooking control, control box, interface
board and wiring harness are now accessible.
3.Reverse procedure to install.
Basket Lift Covers
Shut off the gas before servicing the
unit.
All gas joints disturbed during
servicing must be checked for leaks. Check with a
soap and water solution (bubbles). Do not use an open
flame.
NOTE: This procedure applies to fryers with
automatic basket lift option only.
1.Remove basket assembly lift arms from support
rods.
Fig. 8
A.Lift upper cover over support rods and place
cover to the side.
3.Remove screws securing lower cover to motor
mounting base.
Fig. 9
4.Reverse procedure to install.
2.Remove screws securing upper cover to flue
wrap.
Page 9 of 54F45474 (0413)
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
ANALOG CONTROL
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Shut off the gas before servicing the
unit.
1.Open the door.
2.Unplug wiring harnesses from bottom of control
box.
3.Remove control box from frame of fryer.
4.Loosen set screw in control knob and remove
from shaft.
Fig. 11
Fig. 10
5.Remove control box cover.
6.Disconnect lead wires as necessary to remove
control.
Fig. 12
7.Remove screws from front of control panel and
F45474 (0413)Page 10 of 54
remove control.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
INTERFACE CONTROL - D and C
SERIES
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Shut off the gas before servicing the
unit.
1.Remove CONTROL PANEL.
2.Note lead wire locations and remove wiring.
3.Remove screws securing control to fryer and
remove.
POWER SWITCH - D and C SERIES
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
NOTE: This procedure is for solid state and computer
controls. Power switch for analog controls is part of the
analog control box.
1.Open fryer door to access power switch.
Fig. 13
4.Reverse procedure to install and check for proper
operation.
Fig. 14
2.Unplug power switch connector.
3.Reach behind power switch and press tabs on
both sides of power switch to remove switch.
NOTE: Power switch is removed from front of the
panel.
4.Reverse procedure to install new power switch.
5.Check operation of machine.
TEMPERATURE PROBE
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Shut off the gas before servicing the
unit.
1.Drain shortening from fryer tank.
Page 11 of 54F45474 (0413)
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
2.Unplug temperature probe lead wire connector.
4.Install new probe making sure that probe is
installed into bracket shown.
HIGH LIMIT THERMOSTAT
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Shut off the gas before servicing the
unit.
Do not sharply bend or kink the high limit
capillary tube or damage may occur.
1.Drain shortening from fryer tank.
2.Disconnect lead wires from high limit thermostat.
3.Remove screws securing high limit to mounting
bracket.
Fig. 15
NOTE: This picture shows the probes with the burner
removed.
3.Loosen compression nut and remove probe from
fryer.
Fig. 17
4.Remove the capillary tube retaining and packing
nuts.
Fig. 16
F45474 (0413)Page 12 of 54
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
POWER SUPPLY BOX
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Shut off the gas before servicing the
unit.
All gas joints disturbed during
servicing must be checked for leaks. Check with a
soap and water solution (bubbles). Do not use an open
flame.
NOTE: The power supply box must be removed to
access the following components: ignition module, all
24 volt relays, blower control board, both time delay
timers, 120 volt transformer.
1.Access rear of fryer and remove screw holding
power supply box to support bracket. The box will
Fig. 18
lower to clear bracket.
NOTE: This picture shows the probes with the burner
removed.
5.Slide high limit probe out of fry tank.
Fig. 19
Fig. 20
2.Access front of fryer to slide power supply box
toward rear of fryer to disconnect from front
support bracket.
6.Reverse procedure to install and check for proper
operation.
Page 13 of 54F45474 (0413)
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
Fig. 23
5.Reverse procedure to install.
POWER SUPPLY BOX
COMPONENTS BEFORE 12/1/12
Fig. 21
3.Unplug all connecters from power supply box and
remove box from under fryer.
4.Remove cover to access power supply box
components.
NOTE: The ignition module, blower control board and
the time delay timers will not be available to the field
any longer. If any one of these items fail, replace
power supply box. However, the filter relays and the
transformer are still available and can be replaced in
the field.
Ignition Module
Replace with updated Power Supply Box Assembly.
Blower Control Board
Replace with updated Power Supply Box Assembly.
Time Delay Timers
Replace with updated Power Supply Box Assembly.
Blower Relay
Replace with updated Power Supply Box Assembly.
Filter Relays (24 VAC and 120 VAC)
1.Remove POWER SUPPLY BOX.
2.Note location of all wiring to the relay and remove
wiring.
3.Remove screw and remove relay from box.
Fig. 22
F45474 (0413)Page 14 of 54
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
Fig. 24
4.Reverse procedure to install new relay.
5.Reinstall power supply box and check operation.
120 Volt Transformer
1.Remove POWER SUPPLY BOX.
2.Note location of wiring on 120 volt transformer
and remove wiring.
3.Remove screws and remove transformer from
the box.
Fig. 25
4.Reverse procedure to install new transformer.
5.Reinstall power supply box and check operation.
POWER SUPPLY BOX
COMPONENTS AFTER 12/1/12
NOTE: Power supply boxes built after 12/1/12 have
different components in them. The 24 volt electronic
ignition relay, blower control board, ignition module
and both time delay relays are replaced by a single
control board.
NOTE: The new ignition module will not have a
separate flame sense rod and wire. Ignition module
will rectify flame through high voltage wire.
120 Volt Transformer
1.Remove POWER SUPPLY BOX.
2.Note location of all wiring and remove wiring from
transformer.
3.Remove four screws and remove transformer
from box.
Page 15 of 54F45474 (0413)
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
5.Reinstall power supply box and check operation.
Filter Relays
1.Remove POWER SUPPLY BOX.
2.Note location of wiring to the relays and remove
wiring.
Fig. 26
4.Reverse the procedure to install new
transformer.
5.Reinstall power supply box and check operation.
Control Board
1.Remove POWER SUPPLY BOX.
2.Note location of wiring to relay control board and
remove wiring.
Fig. 28
3.Remove screws and remove from box.
4.Reverse the procedure to install new relays.
5.Reinstall power supply box and check operation.
BURNER ASSEMBLY
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Shut off the gas before servicing the
unit.
All gas joints disturbed during
servicing must be checked for leaks. Check with a
soap and water solution (bubbles). Do not use an open
flame.
1.Remove gas line from gas valve.
2.Remove electric plug connector from gas valve.
3.Unbolt high limit thermostat clamp from transfer
Fig. 27
3.Remove screws and remove from box.
4.Reverse the procedure to install new relay
control board.
F45474 (0413)Page 16 of 54
tube.
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
5.Reverse procedure to reinstall burner.
GAS VALVE
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Shut off the gas before servicing the
unit.
All gas joints disturbed during
servicing must be checked for leaks. Check with a
soap and water solution (bubbles). Do not use an open
flame.
The gas valve is considered part of the burner
assembly. If the gas valve fails and needs to be
replaced, you must order a complete blower/gas valve
assembly (burner). The reason for this is every blower/
gas valve assembly (burner) is set up at the factory to
Fig. 29
4.Remove bolts and remove burner from fryer.
operate at the most efficient level possible. This set up
procedure cannot be duplicated in the field. If you feel
that the gas valve is not set up correctly or not
operating correctly, call product service and they will
help solve the problem.
BASKET LIFT TUBE
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
1.Remove
2.Remove nut securing lift bar to lift tube.
3.Remove screws securing lift tube bracket to fryer
then remove bracket and lift tube.
BASKET LIFT COVERS.
Fig. 30
Page 17 of 54F45474 (0413)
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
Fig. 32
4.Remove screws securing basket lift motor to cam
bracket, then remove motor from bracket.
Fig. 31
4.Reverse procedure to install.
BASKET LIFT MOTOR
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
1.Remove
2.Disconnect lead wires from cam switch and
basket lift motor.
3.Loosen set screws securing crank arm assembly
to basket lift motor shaft.
BASKET LIFT TUBE.
Fig. 33
5.Reverse procedure to install and check for proper
operation.
NOTE: After reinstalling motor keep all wire leads
clear from moving parts.
F45474 (0413)Page 18 of 54
VK and TR GAS FRYERS W/Wo KleenScreen PLUS - REMOVAL AND REPLACEMENT OF PARTS
BASKET LIFT CAM SWITCH
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
1.Remove BASKET LIFT TUBE.
2.Disconnect lead wires from cam switch.
3.Remove screws securing cam switch to cam
bracket.
BASKET LIFT CAM
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
1.Remove BASKET LIFT COVERS.
2.Remove nut securing lift bar to cam assembly.
3.Loosen cam set screw.
4.Remove screws securing cam to the crank arm
assembly.
Fig. 34
4.Reverse procedure to install.
Fig. 35
5.Reverse procedure to install.
FILL SOLENOID VALVE (KSP)
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Shut off the gas before servicing the
unit.
1.Remove filter tank from fryer.
2.Access fill solenoid valve.
3.Loosen union at rear of valve,
4.Remove bolts securing valve and remove valve
from the fryer.
Page 19 of 54F45474 (0413)
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