Vulcan-Hart CEF40 User manual

CEF40/75 FRYER
- NOTICE -
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.
SERVICE MANUAL
A product of Vulcan-Hart 3600 North Point Blvd Baltimore, MD 21222
F45657 (0517)

TABLE OF CONTENTS
GENERAL .................................................................................................. 3
INTRODUCTION ....................................................................................... 3
OPERATION ........................................................................................... 3
INSTALLATION ........................................................................................ 3
LUBRICATION ......................................................................................... 3
CLEANING ............................................................................................. 3
SPECIFICATIONS ...................................................................................... 3
TOOLS ................................................................................................. 3
REMOVAL AND REPLACEMENT OF PARTS ............................................................... 4
ELECTRICAL COVER .................................................................................. 4
BULLNOSE ............................................................................................ 4
ELEMENT HEAD COVER .............................................................................. 4
CONTROL BOX ASSEMBLY ........................................................................... 5
CEF CONTROLLER BOARD ........................................................................... 6
ROCKER SWITCH ..................................................................................... 7
24V RELAY ............................................................................................ 7
DRAIN VALVE POSITION SENSOR .................................................................... 7
HEATING ELEMENT ................................................................................... 8
LIFT ASSIST SPRINGS ................................................................................ 9
TEMPERATURE PROBE .............................................................................. 10
HIGH LIMIT TEMPERATURE SWITCH ................................................................ 10
TILT SWITCH ......................................................................................... 11
CONTACTOR ......................................................................................... 11
TRANSFORMER ...................................................................................... 12
FUSE / FUSE HOLDER ............................................................................... 12
CIRCUIT BREAKER ................................................................................... 12
SERVICE PROCEDURES AND ADJUSTMENTS ........................................................... 14
TEMPERATURE PROBE TEST ....................................................................... 14
TEMPERATURE CONTROL CALIBRATION ........................................................... 14
HEATING ELEMENT TEST ............................................................................ 15
LIFT SPRING ADJUSTMENT .......................................................................... 16
ELECTRICAL OPERATION ................................................................................ 17
COMPONENT FUNCTION ............................................................................ 17
COMPONENT LOCATION ............................................................................. 18
SEQUENCE OF OPERATION ......................................................................... 21
WIRING DIAGRAMS ...................................................................................... 22
WIRING DIAGRAM .................................................................................... 22
TROUBLESHOOTING ..................................................................................... 25
ALL MODELS ......................................................................................... 25
CEF40/75 FRYER
© VULCAN 2017
F45657 (0517) Page 2 of 25

GENERAL
INTRODUCTION
This Service Manual covers specific service
information related to models listed on the front cover.
Cooking control features and operation are same for
both CEF40 and CEF75. Refer to table below for
power requirements and specifications.
Model Width Shortening
Capacity
CEF40 18" 40 lb.
CEF75 27" 75 lb.
OPERATION
Refer to Operator's Manual (F47660) for operating
instructions, located on Vulcan Resource Center at
https://my.vulcanfeg.com/resourcecenter/
vulcanwolfberkel/default.aspx.
INSTALLATION
Refer to Operator's Manual (F47660) for installation
instructions, located on Vulcan Resource Center at
https://my.vulcanfeg.com/resourcecenter/
vulcanwolfberkel/default.aspx.
LUBRICATION
Refer to Lubrications Manual F20067 for current
values.
CLEANING
Refer to Operator's Manual (F47660) for cleaning
instructions, located on Vulcan Resource Center at
https://my.vulcanfeg.com/resourcecenter/
vulcanwolfberkel/default.aspx.
SPECIFICATIONS
Model Power
(kW)
Amps
Per Line
208V 240V 480V
CEF40 17 47 41 20
CEF75 24 67 58 29
NOTE: Amperage values in table are nominal.
Tolerance is +5/-10%
TOOLS
Standard
• Standard set of hand tools.
• VOM with minimum of NFPA-70E CATIII 600V,
UL/CSA/TUV listed. Sensitivity of at least 20,000
ohms per volt and the ability to measure DC
micro amps. Meter leads must also be rated at
CAT III 600V.
• Clamp-on type amp meter with minimum of
NFPA-70E CAT III 600V, UL/CSA/TUV listed
• Temperature tester (thermocouple type).
• ESD (Electrostatic Discharge) Protection Kit.
Special
• Pin extraction tool - Burndy RX2025G1
CEF40/75 FRYER - GENERAL
Page 3 of 25 F45657 (0517)

REMOVAL AND REPLACEMENT OF PARTS
ELECTRICAL COVER
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Take care when removing rear electrical
cover as it can fall free and pull loose or damage wires.
NOTE: Do NOT remove screws that secure rear
panel to chassis.
1. Remove four fasteners and electrical cover (Fig.
1).
Fig. 1
BULLNOSE
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
1. Remove fasteners and bullnose (Fig. 2).
Fig. 2
ELEMENT HEAD COVER
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Parts may be hot. Use care when
handling them.
1. Drain shortening from fry tank.
2. Remove screws (Fig. 3) from rear of element
head assembly.
Fig. 3
3. Raise heating elements (Fig. 4) and place 2x4
lumber under them for support.
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F45657 (0517) Page 4 of 25

Fig. 4
4. Remove fasteners from element head.
5. Grasp heating elements and pull up. Head cover
will separate from element head base.
6. Place heating elements / element head cover on
2x4 lumber.
7. Reverse procedure to install.
CONTROL BOX ASSEMBLY
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
1. Remove BULLNOSE .
2. Rotate and lift to remove fryer door plate (Fig.
5).
Fig. 5
3. Disconnect harness from connector.
4. Remove two screws (Fig. 6).
Fig. 6
5. Pull control box assembly away from side wall.
NOTE: Document wire connections.
6. Disconnect wires from indicator lights.
7. Remove screw and back from control box
assembly.
8. Reverse procedure to install.
CEF40/75 FRYER - REMOVAL AND REPLACEMENT OF PARTS
Page 5 of 25 F45657 (0517)

CEF CONTROLLER BOARD
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
1. Remove CONTROL BOX ASSEMBLY.
2. Remove control knob (Fig. 7).
Fig. 7
NOTE: Wires do not have to be disconnected from
relay.
3. Remove nuts and relay (Fig. 8).
Fig. 8
4. Disconnect wires from CEF controller board (Fig.
9).
Connector Wire
Jx Switches (E1 and E3
Connectors)
J2 39
J3 56
J5 66
J6 5
J7 6
J9 66
Fig. 9
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F45657 (0517) Page 6 of 25

5. Remove screws, stand-offs, and CEF controller
board.
6. Reverse procedure to install.
ROCKER SWITCH
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
NOTE: There are three rocker switches.
Replacement procedure is same for all.
1. Remove CONTROL BOX ASSEMBLY.
2. Disconnect rocker switch from harness.
3. Remove rocker switch (Fig. 10) from control box
assembly.
Fig. 10
4. Reverse procedure to install.
24V RELAY
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
1. Remove CONTROL BOX ASSEMBLY.
2. Disconnect wires from relay (Fig. 11).
Pin Wire
1 NC
2 NC
3 63
4 NC
5 65
6 NC
7 56
8 42
Fig. 11
3. Remove nuts and relay.
4. Reverse procedure to install.
DRAIN VALVE POSITION SENSOR
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
1. Remove BULLNOSE .
2. Rotate and lift to remove fryer door plate (Fig.
12).
CEF40/75 FRYER - REMOVAL AND REPLACEMENT OF PARTS
Page 7 of 25 F45657 (0517)

Fig. 12
NOTE: Connector is located under cable shield.
3. Disconnect position sensor connector (2, Fig.
13) from harness.
4. Remove cable ties and position sensor cable
from cable shield.
5. Remove two screws, nuts, and position sensor
(1).
6. Reverse procedure to install.
Fig. 13
HEATING ELEMENT
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Parts may be hot. Use care when
handling them.
Do not sharply bend, kink, or clamp down
on high limit switch probe capillary tube or damage
may occur.
1. If replacing left heating element:
A. Remove nuts.
B. Move temperature probe / clamps (1, Fig.
14) away from element.
Fig. 14
2. If replacing right heating element:
A. Remove nuts.
B. Move high temperature switch probe /
clamps away from element.
3. Remove ELEMENT HEAD COVER .
NOTE: Each heating element assembly contains
three individual elements (six lead wire connections
total). Document wire connections.
4. Disconnect heating element (2, Fig. 14) lead
wires.
5. Remove screws and heating element.
CEF40/75 FRYER - REMOVAL AND REPLACEMENT OF PARTS
F45657 (0517) Page 8 of 25

6. Remove nuts and clamps (Fig. 15) from element
assembly.
Fig. 15
NOTE: When installing high limit switch probe, route
capillary tube and center bulb between clamps before
tightening.
7. Reverse procedure to install.
LIFT ASSIST SPRINGS
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Heating elements may be hot. Use
care when handling them.
NOTE: If one spring breaks, replace both springs.
NOTE: Heating elements are to remain upright
through entire procedure.
1. Raise heating elements (1, Fig. 16) and place
2x4 lumber (2) under them for support.
2. Remove ELECTRICAL COVER .
3. Remove screws and electrical panel (3, Fig. 16).
Fig. 16
4. Loosen all eye bolt mounting nuts (1, Fig. 17) to
release tension on springs.
5. Remove lift assist spring (4, Fig. 17) from eye bolt
hooks (2).
6. Remove lift assist spring from hanger (3, Fig.
17).
Fig. 17
NOTE: Leave electrical panel and electrical cover off.
7. Reverse procedure to install.
8. Perform LIFT SPRING ADJUSTMENT.
9. Install electrical panel and ELECTRICAL
COVER .
CEF40/75 FRYER - REMOVAL AND REPLACEMENT OF PARTS
Page 9 of 25 F45657 (0517)

TEMPERATURE PROBE
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Parts may be hot. Use care when
handling them.
1. Raise heating elements.
2. Remove ELEMENT HEAD COVER .
3. Disconnect temperature probe lead wires.
4. Remove clamps / temperature probe (Fig. 18)
from heating element.
Fig. 18
5. Remove clamps from temperaure probe.
6. Remove temperature probe from element head
assembly.
NOTE: Ensure grommet remains in place when
inserting temperature probe into element head
assembly.
7. Reverse procedure to install.
8. Check TEMPERATURE CONTROL
CALIBRATION.
HIGH LIMIT TEMPERATURE
SWITCH
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
Parts may be hot. Use care when
handling them.
1. Raise heating elements.
Do not sharply bend and kink or clamp
down on capillary tube or damage may occur.
2. Open clamps (2, Fig. 19) and remove loop
clamps (3) and capillary tube / bulb (1) from
heating element.
Fig. 19
3. Remove ELEMENT HEAD COVER .
4. Remove high limit switch (1, Fig. 20) from
mounting bracket.
CEF40/75 FRYER - REMOVAL AND REPLACEMENT OF PARTS
F45657 (0517) Page 10 of 25