Vulcan-Hart GTS12 Manual de usuario
This Manual is prepared for the use of trained Vulcan Service
Technicians and should not be used by those not properlyqualified.
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
GTS12 HEAVY DUTY ELECTRIC
GRIDDLE TOP
GTS12
A product of VULCAN Baltimore, MD 21222
F25446 (January 2012)
TABLE OF CONTENTS
TABLE OF CONTENTS
GENERAL ................................................................................ 3
Introduction ............................................................................ 3
Installation, Operation & Cleaning .......................................................... 3
Tools................................................................................. 3
Specifications .......................................................................... 3
REMOVALANDREPLACEMENTOFPARTS .................................................... 4
RemovingGriddleTop fromFrame ......................................................... 4
Covers and Panels ...................................................................... 5
LightedSwitchAssembly ................................................................. 5
PowerCord............................................................................ 5
HighLimitCutoffSwitch .................................................................. 6
ControlThermostat...................................................................... 7
HeatingElement ........................................................................ 9
Arm Mechanism ....................................................................... 11
SERVICEPROCEDURESANDADJUSTMENTS................................................. 13
DownForceAdjustment ................................................................. 13
ControlThermostatTest................................................................. 13
HeatingElementTest ................................................................... 14
ELECTRICALOPERATION ................................................................. 15
Component Function ................................................................... 15
WiringDiagram........................................................................ 15
TROUBLESHOOTING ...................................................................... 16
© Vulcan 2012
F25446 (January 2012) Page 2 of 16
GTS12 GRIDDLE TOP - GENERAL
GENERAL
INTRODUCTION
This manual is for the GTS12 Heavy Duty Electric
Griddle Top. Procedures in this manual will apply to
all models unless specified. Pictures and illustrations
will be of model GTS12-1 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.
MODELS
GTS12-1 208V, Front Grease Trough
GTS12-2 240V, Front Grease Trough
GTS12-3R 208V, Rear Grease Trough
GTS12-4R 240V, Rear Grease Trough
INSTALLATION, OPERATION &
CLEANING
Refer to the Operation and Field Installation Manual
F38300 for specific installation, operation and
cleaning instructions.
TOOLS
Standard
• Standard set of hand tools.
• Metric set of hand tools.
• 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).
• Torque wrench (in.-lb.).
• Clamp on type amp meter.
SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
Model No. Voltage Power 1 Phase
Draw
GTS12-1 208 V 3.6 kW 17.3 A
GTS12-2 240 V 3.6 kW 15 A
GTS12-3R 208 V 3.6 kW 17.3 A
GTS12-4R 240 V 3.6 kW 15 A
F25446 (January 2012)
Page 3 of 16
GTS12 GRIDDLE TOP - REMOVAL AND REPLACEMENT OF PARTS
REMOVAL AND REPLACEMENT OF PARTS
REMOVING GRIDDLE TOP
FROM FRAME
NOTE: Make sure that griddle top and griddle are
cool before servicing.
1. Place cardboard or other protective covering on
griddle surface to prevent scratching.
2. Remove 6 screws and move back cover out of
the way.
3. Put griddle top in complete vertical position.
4. Remove 2 nuts, spring guide bracket and 2
springs.
5. Remove 2 lower bolts.
A. Remove mounting support bracket and
mounting bracket.
6. Remove 2 upper bolts.
A. Remove mounting support bracket and
mounting bracket.
7. Remove griddle top from frame.
8. Reverse procedure to install.
9. Check for proper operation.
F25446 (January 2012) Page 4 of 16
GTS12 GRIDDLE TOP - REMOVAL AND REPLACEMENT OF PARTS
COVERS AND PANELS
Top Cover
1. Remove 7 screws and top cover.
2. Reverse procedure to install.
Inner Liner
1. Remove TOP COVER.
2. Remove 4 screws securing inner liner.
3. Reverse procedure to install.
LIGHTED SWITCH ASSEMBLY
1. Remove TOP COVER.
2. Remove 4 screws and move INNER LINER out
of the way.
3. Remove electrical connections, noting their
locations.
4. Pinch clips and push lighted switch assembly
through.
5. Reverse procedure to install.
NOTE: Ensure that terminal connections are
completely seated and tight.
6. Check for proper operation.
POWER CORD
1. Remove TOP COVER.
2. Remove 4 screws and move INNER LINER out
of the way.
F25446 (January 2012)Page 5 of 16
GTS12 GRIDDLE TOP - REMOVAL AND REPLACEMENT OF PARTS
3. Disconnect power cord from terminal block.
4. Remove back cover.
5. Transfer spring to replacement power cord.
6. Install retaining grommet onto new power cord
19" from tip of ring terminals.
7. Install power cord.
8. Check for proper operation.
HIGH LIMIT CUTOFF SWITCH
1. REMOVE GRIDDLE TOP FROM FRAME.
2. Remove TOP COVER.
3. Remove 4 screws and move INNER LINER out
of the way.
4. Remove electrical connections from control
thermostat and high limit, noting their location.
5. Disconnect heating element wires from terminal
block.
6. Pull off thermostat knob and remove 2 screws.
Remove control thermostat body from inner
liner.
7. Remove jam nut from around high limit reset
button. Remove high limit switch body from
inner liner.
8. Disconnect cooking head assembly ground
wires and remove 2 hex screws securing
universal joint to upper arm body.
NOTE: Bend down edges of locking washer.
9. Carefully separate upper arm assembly from
cooking head assembly.
NOTE: Be careful not to damage or pull the
thermostat and high limit probes that are still
attached in the cooking head.
F25446 (January 2012) Page 6 of 16
GTS12 GRIDDLE TOP - REMOVAL AND REPLACEMENT OF PARTS
10. For ease in servicing, remove knockout in upper
arm assembly. Pass high limit and control
thermostat through.
NOTE: Plastic ring must be used during reassembly.
11. Remove all 12 screws around perimeter of
cooking head assembly cover and 4 screws in
the center around the universal joint. Separate
cover from cooking head assembly.
12. Remove nuts and washers holding high limit
probe to insulation panel frame.
13. Remove high limit switch from griddle top.
14. Reverse procedure to install.
A. Bend up edges of locking washer to
prevent universal joint hex screws from
backing out.
15. Check for proper operation.
CONTROL THERMOSTAT
1. REMOVE GRIDDLE TOP FROM FRAME.
2. Remove TOP COVER.
3. Remove 4 screws and move INNER LINER out
of the way.
4. Remove electrical connections from control
thermostat and high limit, noting their location.
A. Disconnect heating element wires from
terminal block.
5. Pull off thermostat knob and remove 2 screws.
Remove control thermostat body from inner
liner.
6. Remove jam nut from around high limit reset
button. Remove high limit switch body from
inner liner.
F25446 (January 2012)Page 7 of 16
GTS12 GRIDDLE TOP - REMOVAL AND REPLACEMENT OF PARTS
7. Disconnect cooking head assembly ground
wires and remove 2 hex screws securing
universal joint to upper arm body.
NOTE: Bend down edges of locking washer.
8. Carefully separate upper arm assembly from
cooking head assembly.
NOTE: Be careful not to damage or pull the
thermostat and high limit probes that are still
attached in the cooking head.
9. For ease in servicing, remove knockout in upper
arm assembly. Pass high limit and control
thermostat through.
NOTE: Plastic ring must be used during reassembly.
10. Remove all 12 screws around perimeter of
cooking head assembly cover and 4 screws in
the center around the universal joint. Separate
cover from cooking head assembly.
11. Remove high limit probe and ground wire from
insulation panel frame.
12. Remove 4 center spacers and 12 nuts securing
insulation panel frame to heating element.
13. Remove insulation panel frame and insulation
panel.
14. Remove 16 jam nut, flange nut, lock washer
stacks securing pressure plate to heating
element.
F25446 (January 2012) Page 8 of 16
GTS12 GRIDDLE TOP - REMOVAL AND REPLACEMENT OF PARTS
15. Remove pressure plate and heating element.
16. Remove thermostat probe from ceramic
insulation strip in plate groove.
17. Remove control thermostat from griddle top.
18. Reverse procedure to install.
A. Bend up edges of locking washer to
prevent universal joint hex screws from
backing out.
19. Check for proper operation.
HEATING ELEMENT
Removal
1. REMOVE GRIDDLE TOP FROM FRAME.
2. Remove TOP COVER.
3. Remove 4 screws and move INNER LINER out
of the way.
4. Remove electrical connections from control
thermostat and high limit, noting their location.
A. Disconnect heating element wires from
terminal block.
5. Pull off thermostat knob and remove 2 screws.
Remove control thermostat body from inner
liner.
6. Remove jam nut from around high limit reset
button. Remove high limit switch body from
inner liner.
7. Disconnect cooking head assembly ground
wires and remove 2 hex screws securing
universal joint to upper arm body.
NOTE: Bend down edges of locking washer.
8. Carefully separate upper arm assembly from
cooking head assembly.
NOTE: Be careful not to damage or pull the
thermostat and high limit probes that are still
attached in the cooking head.
F25446 (January 2012)Page 9 of 16
GTS12 GRIDDLE TOP - REMOVAL AND REPLACEMENT OF PARTS
9. For ease in servicing, remove knockout in upper
arm assembly. Pass high limit and control
thermostat through.
NOTE: Plastic ring must be used during reassembly.
10. Remove all 12 screws around perimeter of
cooking head assembly cover and 4 screws in
the center around the universal joint. Separate
cover from cooking head assembly.
11. Remove high limit probe and ground wire from
insulation panel frame.
12. Remove 4 center spacers and 12 nuts securing
insulation panel frame to heating element.
13. Remove insulation panel frame and insulation
panel.
14. Remove 16 jam nut, flange nut, lock washer
stacks securing pressure plate to heating
element.
15. Remove pressure plate and heating element.
16. Remove the old cover gasket.
17. Remove thermostat probe from ceramic
insulation strip in plate groove.
Replacement
1. Ensure plate surface is clean and free of any
particles or defects that may prevent contact
between the heating element and plate.
2. Install control thermostat probe into groove of
plate with the ceramic insulation strip in place
above it.
F25446 (January 2012) Page 10 of 16
Este manual sirve para los siguientes modelos
4
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