SERVICE MANUAL
ICM24,36,48,60 AND 72 CHEESE MELTERS
MODEL NO. |
|
ICM24 |
ML-52470, 52476 |
ICM36 |
ML-52471, 52477 |
ICM48 |
ML-52472, 52478 |
ICM60 |
ML-52473, 52479 |
ICM72 |
ML-52474, 52480 |
MODEL ICM
VULCAN - HART COMPANY, P . O . BOX 696, LOUISVILLE, KY 40201 - 0696, TEL. (502) 778 - 2791
FORM 30915 (3-95)
IMPORTANT FOR YOUR SAFETY
THIS MANUAL HAS BEEN PREPARED FOR PERSONNEL QUALIFIED TO INSTALL GAS EQUIPMENT, WHO SHOULD PERFORM THE INITIAL FIELD START-UP AND ADJUSTMENTS OF THE EQUIPMENT COVERED BY THIS MANUAL.
POST IN A PROMINENT LOCATION THE INSTRUCTIONS TO BE FOLLOWED IN THE EVENT THE SMELL OF GAS IS DETECTED. THIS INFORMATION CAN BE OBTAINED FROM THE LOCAL GAS SUPPLIER.
IMPORTANT
IN THE EVENT A GAS ODOR IS DETECTED, SHUT
DOWN UNITS AT MAIN SHUT-OFF VALVE AND
CONTACT THE LOCAL GAS COMPANY OR GAS
SUPPLIER FOR SERVICE.
FOR YOUR SAFETY
DO NOT STORE OR USE GASOLINE OR OTHER
FLAMMABLE VAPORS OR LIQUIDS IN THE
VICINITY OF THIS OR ANY OTHER APPLIANCE.
WARNING
IMPROPER INSTALLATION, ADJUSTMENT,
ALTERATION OR MODIFICATION, SERVICE OR
MAINTENANCE CAN CAUSE PROPERTY
DAMAGE, INJURY OR DEATH. READ THE
INSTALLATION, OPERATING AND MAINTENANCE
INSTRUCTIONS THOROUGHLY BEFORE
INSTALLING OR SERVICING THIS EQUIPMENT.
IN THE EVENT OF A POWER FAILURE, DO NOT
ATTEMPT TO OPERATE THIS DEVICE.
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TABLE OF CONTENTS
Important safety information |
page |
2 |
Codes and standards information |
page |
3 |
Manual use information |
page |
3 |
Data plate information |
page |
3 |
Tools required for servicing |
page |
3 |
General appliance information |
age |
3 |
Section l Service Checks and Adjustments |
page |
4-5 |
Section ll Removal of Service Parts |
page |
6-10 |
Section lll Trouble Shooting |
page |
11 |
CODES AND STANDARDS
Vulcan-Hart Cheese Melters are to be installed in accordance with state and local codes, or in the absence of local codes, with the National Fuel Gas Code, ANSI-Z223.1 (latest edition), available from the American Gas Association, Inc., 1515 Wilson Blvd., Arlington, Va. 22209 and with ANSI-NFPA Standard #96 (latest edition), Vapor Removal From Cooking Equipment, available from the National Fire Protection Association, Batterymarch Park, Quincy, MA 02269.
For this appliance, clearance from combustible construction must be a minimum of 6" from the sides, 0" from the back, and 4" from a counter top. There is no minimum clearance from noncombustible construction.
HOW TO USE THIS MANUAL
This manual is dedicated to the servicing of the Vulcan-Hart Co. ICM24,36,48,60 and 72 Cheese Melter. The manual is divided into 3 sections, CHECKS AND ADJUSTMENTS, REMOVAL OF SERVICE PARTS AND TROUBLE SHOOTING. For additional technical assistance refer to the service assistance number on the front cover of this manual. Refer to parts manual to identify service replacement parts.
DATA PLATE
The data plate which identifies the appliance model no., device no., serial no., gas specification and agency approvals is located on the appliance front cover in lower right corner.
TOOLS REQUIRED
Tools required to preform the service operations covered in this manual.
1.Standard set of hand tools.
2.Temperature tester (thermocouple or digital pyrometer).
3.Gas test kit.
GENERAL APPLIANCE INFORMATION
ICM24 is a 24" wide unit appliance (1) 20,000 BTU/HR burner.
ICM36 is a 36" wide appliance using (1) 30,000 BTU/HR burner.
ICM48 is a 48" wide appliance using (2) 20,000 BTU/HR burners.
ICM60 is a 60" wide appliance using (1) 20,000 and (1) 30,000 BTU/HR burners.
ICM72 is a 72" wide appliance using (2) 30,000 BTU/HR burners.
The 20,000 BTU burner is 15" long and the 30,000 BTU burner is 27" long.
The appliance manifold pressure is 5" W.C. for natural gas and 10" W.C. for propane gas.
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SECTION I
SERVICE CHECKS AND ADJUSTMENTS
WARNING: SHUT OFF GAS BEFORE SERVICING
VENTILATION CHECKS
Insure that adequate ventilation has been provided in accordance to all codes as stated on page 3 of this manual.
The vent for this appliance should be checked for restrictions every 6 months.
GAS SUPPLY CHECKS
If the gas supply piping is to be tested at a test pressure in excess of 1⁄2 psig(3.45Kpa), the appliance and its individual shut-off valve must be disconnected from the supply line. If the gas supply piping system is to be tested at a pressure equal to or less than 1⁄2 psig(3.45Kpa), the individual shut-off valve must be closed during testing.
REGULATOR VENT CHECK
1.With a screwdriver pry the plastic vent plug form the top of the regulator. (See Fig. 1)
2.Check vent for clogging of the breather vent screen. If screen is obstructed, clear the obstruction.
STORE LINE GAS PRESSURE CHECK
1.Turn main gas line off.
2.Tap the store line before the pressure regulator if a gas pressure tap and plug have not been supplied.
3.Install a single pilot valve fitting or similar device that will allow a gas pressure gauge to be connected to the store line.
4.Connect the gas pressure gauge to the tapped valve device.
5.Turn the store main gas on.
6.Turn the unit gas on.
7.Take the store pressure reading. Store pressure should be at least 6" W.C. for natural gas and 11" W.C. for propane gas.
8.If store pressure is not correct advise owner that the gas line pressure must be serviced for proper gas flow before appliance service can be performed.
9.If store pressure is correct, continue checking by performing the appliance gas line check.
APPLIANCE GAS LINE CHECK
1.Turn appliance gas off.
2.Remove the burner knobs.
3.With a phillips head screwdriver remove (4) screws securing the front cover to the cheese melter.
4.From the front right side of the appliance follow the gas pipe to the gas line pressure tap.
5.Connect the gas meter to the line pressure tap.
6.Reinstall the burner knob handle and turn the appliance gas on.
7.Check the appliance pressure. Reading should be 5" W.C. for natural gas and 10" W.C. for propane gas.
PILOT LIGHTER TUBE CHECK
1.Follow steps 1-3 under Removal of Pilot Lighter Tube.
2.Check tube flame ports for blockage. If blockage is found, blow blockage out with water or air pressure device. If these are not available try removing blockage with a small probing device. Do not force probe device of a larger diameter through the port openings.
3.If blockage cannot be removed, replace the lighter tube.
4.To reinstall or replace lighter tube follow steps 1-3 under Removal of Pilot Lighter Tube in reverse order.
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