Vulcan MG12 ML-52549 - Manuals

Page 3 - TABLE OF CONTENTS; SERVICE

– 3 – TABLE OF CONTENTS MG SERIES GAS RESTAURANT MODULAR RANGE MODELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 SERVICE NOTATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 SERV...

Page 4 - MODEL SUFFIX DESIGNATIONS; T - Thermostatic Control

– 4 – MG SERIES GAS RESTAURANT MODULAR RANGE MODELS MODEL SUFFIX DESIGNATIONS S - 12" Griddle Z - 48" Griddle F - 24" Griddle T - Thermostatic Control X - 36" Griddle PL-40044-1

Page 5 - SERVICE NOTATIONS; service representatives.; CHECKS AND ADJUSTMENTS

– 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 t...

Page 8 - OFF when gas begins to flow.

– 8 – PILOT LIGHTING AND ADJUSTMENTS Although pilot lighting procedures are to be performed by both installation and operation personnel,only installation/service personnel should attempt to make any pilot or burner adjustments to thisrange. Operation personnel are authorized only to perform procedu...

Page 10 - clockwise to decrease flame, until the flame appears to be

– 10 – 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 bladescrewdriver. WARNING: DO NOT USE BI-METAL OR MERCURY ...

Page 11 - Temperature Calibration; Light the main burner by turning the thermostat to 500

– 11 – ( Temperature Calibration Tools Required: Thermometer test instrument (not of bi-metal or mercury type), standard flat bladescrewdriver. WARNING: DO NOT USE BI-METAL OR MERCURY THERMOMETERS WHEN TESTING FOODEQUIPMENT OR PRODUCTS. CHEMICALS WITHIN THESE INSTRUMENTS MAY BE TOXIC IFEXPOSED TO FO...

Page 12 - REGULATOR CHECK; Gas supply pressure must not be greater than

– 12 – 8. To recalibrate, hold the thermostat dial in place. Insert screwdriver into dial shaft to engage the calibration stem adjustment screw (Fig. 8). Push inward (do not turn stem). 9. While holding stem calibration screw in place, turn thermostat dial until it is set on the actual temperature s...

Page 14 - REGULATOR ADJUSTMENT

– 14 – Check also for gas leak at vent. If vent is leaking gas, replace the regulator. REGULATOR ADJUSTMENT Tools Required: Flat blade screwdriver, manometer, and 6" adjustable wrench. Before making a regulator adjustment, always verify that the incoming line pressure is correct. Therequired inc...

Page 15 - Column for propane gas.; REGULATOR INSTALLATION; Install new regulator as indicated above.

– 15 – 1. Connect the manometer to the pressure tap provided on the rear manifold pipe (see Fig. 9). 2. Check the reading. The reading should be 3.7" Water Column for natural gas and 10.0" Water Column for propane gas. 3. If reading is incorrect and the proper line pressure has been verified...

Page 16 - Disconnect range gas supply and allow range to cool.

– 16 – GRIDDLE THERMOSTAT CHECKS AND CALIBRATION Refer to GRIDDLE THERMOSTAT ADJUSTMENTS in this manual for the procedures for checking andcalibrating the thermostat for the griddle. GRIDDLE THERMOSTAT REPLACEMENT Tools Required: Pipe wrench, 6" adjustable wrench, 1 ⁄ 8 " flat blade screwdri...

Page 18 - TOP SECTION PILOT CHECK; Disconnect range from main gas supply and allow range to cool.; PILOT ADJUSTMENT VALVE REPLACEMENT; Disconnect range from main gas supply and allow to cool.

– 18 – 8. Replace thermostat mounting block. Place pipe joint compound on the threaded end of the new thermostat mounting block to be installed onto the range. 9. Install the new thermostat by reversing Steps 1 through 7 above. Do not kink the new capillary line when installing new thermostat. Using...

Page 19 - Disconnect main gas supply and allow to cool.; SERVICE AND PARTS INFORMATION

– 19 – 3. Remove valve from range manifold. 4. With pipe thread sealant covering the threads, install new pilot valve by reversing Steps 1 through 3. TOP SECTION BURNER VALVE AND NOZZLE CHECK After a long period of use on the range, the top section burner valve can show signs of wear. Checkvalve for...