Vulcan-Hart MG12 Service Manual
Gas restaurant range
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- Installation & operation manual (16 pages) ,
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- Installation & operation manual (32 pages)
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GAS RESTAURANT RANGE
MG 12, 24, 36, 48 AND 60
MODEL
MG12
MG24
MG36
MG48
MG60
V U L C A N - H A R T C O M P A N Y , P . O . B O X 6 9 6 , L O U I S V I L L E , K Y 4 0 2 0 1 - 0 6 9 6 , TEL. (502) 7 7 8 - 2 7 9 1
FORM 30837 Rev. A (7-95)
ML-52549
ML-52514
ML-52522
ML-52523
ML-52524
SERVICE MANUAL
MG12
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Table of Contents
Related Manuals for Vulcan-Hart MG12
Summary of Contents for Vulcan-Hart MG12
- Page 1 GAS RESTAURANT RANGE MG 12, 24, 36, 48 AND 60 MODEL MG12 ML-52549 MG24 ML-52514 MG36 ML-52522 MG48 ML-52523 MG60 ML-52524 V U L C A N - H A R T C O M P A N Y , P . O . B O X 6 9 6 , L O U I S V I L L E , K Y 4 0 2 0 1 - 0 6 9 6 , TEL. (502) 7 7 8 - 2 7 9 1 FORM 30837 Rev.
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Page 2: Important For Your Safety
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. -
Page 3: Table Of Contents
MG SERIES GAS RESTAURANT MODULAR RANGE MODELS ........ -
Page 4: Mg Series Gas Restaurant Modular Range Models
MG SERIES GAS RESTAURANT MODULAR RANGE MODEL SUFFIX DESIGNATIONS S - 12" Griddle F - 24" Griddle X - 36" Griddle MODELS Z - 48" Griddle T - Thermostatic Control – 4 – PL-40044-1... -
Page 5: Service Notations
1. The procedures outlined in this manual are to be performed only by Vulcan-Hart authorized service representatives. 2. An authorized Vulcan-Hart service representative is one who is familiar with Vulcan equipment and who has been endorsed by Vulcan-Hart Company to service the equipment. All authorized service personnel are required to stock a minimum amount of parts and should be equipped with a complete set of wiring diagrams, service and parts manuals covering all Vulcan-Hart equipment. - Page 6 If the cooked product seems to be lopsided, check the leveling of the modular range. Place a carpenter's level across the range top and level the range from front to back and from side to side. To adjust the leveling of the range, tilt the range to one side, and using channel locks, unscrew the adjustable leg insert as required.
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Page 7: Orifice Size Requirements For Different Elevations
The gas/air balance is controlled by an air shutter on the front of the top burner. A yellow streaming flame on the burner is an indication of insufficient air. To correct this condition, loosen the screw locking the shutter into position. Rotate the air shutter open until the burner flame begins to lift from the burner, then close the shutter slightly down again and lock it into place (Fig's. -
Page 8: Pilot Lighting And Adjustments
Operation personnel are authorized only to perform procedures for pilot lighting. All adjustment procedures associated with pilot lighting must be performed by an authorized Vulcan-Hart installation or service person. While performing these procedures, do not turn burner valves ON with burner heads removed. - Page 9 3. If pilot fails to light, turn main gas supply OFF. Wait 5 minutes and repeat the above procedures. 4. Turn one open top burner valve ON to remove air from the gas line. Turn burner OFF when gas begins to flow. Open Top Burner Adjustments Tools Required: Standard flat blade screwdriver.
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Page 10: Griddle Thermostat Adjustments
GRIDDLE THERMOSTAT ADJUSTMENTS These procedures should be performed only by a qualified Vulcan-Hart service representative. Bypass Adjustment Tools Required: Thermometer test instrument (not of bi-metal or mercury type), standard flat blade screwdriver. WARNING: DO NOT USE BI-METAL OR MERCURY THERMOMETERS WHEN TESTING FOOD EQUIPMENT OR PRODUCTS. -
Page 11: Temperature Calibration
5. Using a screwdriver placed through the dial shaft, push the metal dial insert out of the dial (Fig. 7). 6. Replace the dial back onto the range. Turn the dial to 400 F. 7. After the griddle has stabilized (at least 15 minutes), check the griddle temperature. -
Page 12: Regulator Check
Make sure the regulator has been installed at the rear of the range with arrow pointing in the horizontal position in the direction of gas flow. The only exception to this rule is if the outlet pressure of the range has been reset prior to this service call. - Page 13 Column for natural gas or 11.0" Water Column for propane gas. If line pressure is incorrect, it must be adjusted in order to properly operate the range. If the line pressure is good, then the regulator requires adjustment (refer to procedures for regulator adjustment).
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Page 14: Regulator Adjustment
11.0" Water Column for propane gas. If the line pressure is not correct, it must be corrected or the range will not operate properly or achieve proper regulator adjustment. Also, the regulator must be attached to the range in the horizontal position with the arrow pointing in the direction of the gas flow (Fig. 12). -
Page 15: Regulator Installation
5. Turn main gas supply ON and check regulator connections for gas leakage using a soap and water solution. If no leaks are found, return range to full operation. If leak is detected, turn main gas valve OFF and eliminate leakage. -
Page 16: Griddle Thermostat Checks And Calibration
Tools Required: Pipe wrench, 6" adjustable wrench, socket wrench. 1. Disconnect range gas supply and allow range to cool. 2. Tilt the front of the griddle up and carefully slide the capillary bulb from the Y-shaped mounting guides on the underside of the griddle assembly (Fig. 15). - Page 17 Fig. 16 Fig. 17 7. Unscrew the thermostat from the manifold pipe (Fig's. 18, 19, & 20). Fig. 18 Fig. 19 Fig. 20 – 17 –...
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Page 18: Top Section Pilot Check
Tools Required: ⁄ " open end wrench. 1. Disconnect range from main gas supply and allow range to cool. 2. Remove pilot from pilot tube. 3. Check pilot for blockage. 4. If blockage is found, clean pilot tip and replace or intall new pilot tip. -
Page 19: Top Section Burner Valve And Nozzle Check
To obtain additional service and parts information concerning the MG Series Gas Restaurant Modular and Step-up Range, contact the Vulcan-Hart Service Depot in your area (refer to listing supplied with this range), or Vulcan-Hart Company Service Department at the address or phone number shown on the front cover of this manual. - Page 20 – 20 – FORM 30837 Rev. A (7-95) PRINTED IN U.S.A.