Vulcan VMCS-102 Service Manual

SERVICE MANUAL

VMCS HEAVY DUTY ELECTRIC
GRIDDLE TOP

MODELS
VMCS-101
VMCS-102
VMCS-201
VMCS-202

- 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.

A product of Vulcan-Hart 3600 North Point Blvd Baltimore, MD 21222

F45571 (0316)

VMCS HEAVY DUTY ELECTRIC GRIDDLE TOP

TABLE OF CONTENTS

GENERAL .................................................................................................. 3

INTRODUCTION ....................................................................................... 3

OPERATION AND FIELD INSTALLATION .............................................................. 3

MODELS ............................................................................................... 3

SPECIFICATIONS ...................................................................................... 3

TOOLS ................................................................................................. 3

REMOVAL AND REPLACEMENT OF PARTS ............................................................... 4

REMOVE CLAMSHELL FROM FRAME ................................................................. 4

TOP CONTROL BOX COVER .......................................................................... 6

POWER SWITCH ...................................................................................... 7

INDICATOR LIGHTS ................................................................................... 7

POWER CORD ......................................................................................... 8

HIGH LIMIT ............................................................................................ 8

CONTROL THERMOSTAT ............................................................................. 9

HEATING ELEMENTS ................................................................................ 11

ARM MECHANISM .................................................................................... 12

SERVICE PROCEDURES AND ADJUSTMENTS ........................................................... 14

GRIDDLE TOP MANUAL LIFT CHECK ................................................................ 14

PLATE GAP ADJUSTER .............................................................................. 14

THERMOSTAT TEST ................................................................................. 15

HEATING ELEMENT TEST ............................................................................ 15

ELECTRICAL OPERATION ................................................................................ 16

COMPONENT LOCATION ............................................................................. 16

COMPONENT FUNCTION ............................................................................ 16

WIRING DIAGRAM .................................................................................... 17

TROUBLESHOOTING ..................................................................................... 18

TROUBLESHOOTING ................................................................................. 18

© VULCAN 2016

F45571 (0316) Page 2 of 19

VMCS HEAVY DUTY ELECTRIC GRIDDLE TOP - GENERAL

GENERAL

INTRODUCTION

This manual is for the VMCS Heavy Duty Electric
Griddle Top. Procedures in this manual will apply to
all models listed on the cover page unless specified.
All of the information, illustrations and specifications
contained in this manual are based on the latest
product information available at the time of release.

OPERATION AND FIELD

INSTALLATION

For detailed field installation, operation and cleaning
instructions refer to F47658 Operation & Field
Installation Manual sent with each unit. The manual
is also available online at www.vulcanequipment.com.

MODELS

Models

VMCS-101

VMCS-102

VMCS-201

VMCS-202

*9⁄16" (15mm) thick fully welded Rapid Recovery
composite griddle plate (aluminum core interior with
304 Series stainless steel exterior) for fast
temperature recovery and even heating.

*Rapid Recovery™ composite griddle
plate cooking surface, 208V

*Rapid Recovery™ composite griddle
plate cooking surface, 240V

Optional, Grooved steel griddle plate
cooking surface, 208V

Optional, Grooved steel griddle plate
cooking surface, 240V

TOOLS

• Standard set of hand tools.

• Temperature tester with surface probe.

• VOM with ability to measure micro amp current.
VOM with minimum of NFPA-70E CAT III 600V,
UL/CSA/TUV listed. Sensitivity of at least 20,000
ohms per volt. 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, for
measuring heating element current draw.

Special

• Torque Wrench - Capable of measuring 20 in-lb.

• Loctite® 242™

SPECIFICATIONS

ELECTRICAL

Model Voltage Power

VMCS-101 208V 3.6 kW 17.3

VMCS-102 240V 3.6 kW 15.0

VMCS-201 208V 3.6 kW 17.3

VMCS-202 240V 3.6 kW 15.0

1 Phase
AMP Draw

Page 3 of 19 F45571 (0316)

VMCS HEAVY DUTY ELECTRIC GRIDDLE TOP - REMOVAL AND REPLACEMENT OF PARTS

REMOVAL AND REPLACEMENT OF PARTS

REMOVE CLAMSHELL FROM

FRAME

Disconnect the

electrical power to the machine and
follow lockout / tagout procedures.

Ensure clamshell and griddle are

cool to touch before servicing.

NOTE: This procedure requires two people to remove
clamshell.

1. Place cardboard or other protective covering on
griddle surface to prevent scratching.

2. Remove rear cover bolts.

NOTE: Junction box is secured to the bottom of rear
cover with screws and can remain attached.

Fig. 3

4. Loosen bump stop bolt (1, Fig. 4) and remove
screws (2, Fig. 4) from each side that secures
bump stop plate (3, Fig. 4) to rear housing.

Fig. 2

3. Remove rear housing lid (1, Fig. 3) and rear cover
(2, Fig. 3).

F45571 (0316) Page 4 of 19

5. One person fully raises clamshell by the handle

Fig. 4

to remove spring force and hold in place. The
other person removes all 4 retaining clips from
the lower pivot rod at the rear housing.

VMCS HEAVY DUTY ELECTRIC GRIDDLE TOP - REMOVAL AND REPLACEMENT OF PARTS

Fig. 5

6. Push lower pivot rod out from the spring mount
(block).

Fig. 7

C. Fully raise clamshell to access the left arm

wireway cover on the bottom of arm.
Remove wireway cover (1, Fig. 8) from the
bottom of left arm.

A. Remove spring mount (block), lower spring

alignment shafts (male) and system springs.

Fig. 6

B. Lower clamshell onto griddle surface.

7. If removing top control box and clamshell from
arms to access capillary bulbs and heating
element:

Fig. 8

D. Lower clamshell and remove 4 screws on

the outer side of both arms. The screws and
locknuts secure the control box to the arms
and the control box mounting shelf inside
the box.

A. Remove TOP CONTROL BOX COVER.

B. Note locations and disconnect power supply

wires from terminal strip.

Page 5 of 19 F45571 (0316)

VMCS HEAVY DUTY ELECTRIC GRIDDLE TOP - REMOVAL AND REPLACEMENT OF PARTS

Fig. 9

E. Lift the control box mounting shelf (1, Fig.

10) and place to the side.

F. Feed the power supply wires (2, Fig. 10)

back into the left arm enough to clear control
box.

Fig. 11

B. Remove clamshell from frame.

Fig. 10

G. Lift the arm to clear the control box then slide

control box and clamshell away from the
arms.

8. If completely removing clamshell and rear
housing from frame:

A. Remove bolts securing rear housing to

griddle frame.

9. Reverse procedure to install.

10. Check for proper operation.

TOP CONTROL BOX COVER

Disconnect the

electrical power to the machine and
follow lockout / tagout procedures.

1. Remove top control box cover.

2. Remove wiring cover plate to access electrical

F45571 (0316) Page 6 of 19

Fig. 12

components.