Service manual

ManualsBrandsVulcan-Hart ManualsCooktopGHM60T

VULCAN-HART COMPANY, P.O. BOX 696, LOUISVILLE, KY 40201- 0696, TEL. (502) 778-2791

FORM 30848 Rev. A (9-98)

SERVICE MANUAL

GH SERIES HEAVY DUTY GAS RANGES

MODELS

GH30 ML-52141

GH45 ML-52142

GH53/72 ML-52173

GH56 ML-52143

GH60 ML-52144

GH60T ML-52171

GH70 ML-52145

GH72/45 ML-52176

GH45/72 ML-52180

GH60/45 ML-52174

GH60T45 ML-52186

GH60/72 ML-52175

GH60T72 ML-52188

GHM30 ML-52151

GHM45 ML-52152

GHM5372 ML-52195

GHM56 ML-52153

GHM60 ML-52154

GHM60T ML-52172

GHM72 ML-52155

GHM7245 ML-52179

GHM4572 ML-52181

GHM6045 ML-52177

GHM60T/45 ML-52187

GHM6072 ML-52178

GHM60T/72 ML-52189

GHX45 ML-52217

GHX60 ML-52218

GHX60T ML-52223

GHXM45 ML-52220

GHXM60 ML-52221

GHMX60T ML-52224

GHX72 ML-52219

GHXM72 ML-52222

Summary of content (16 pages)

PAGE 1
SERVICE MANUAL GH SERIES HEAVY DUTY GAS RANGES MODELS GH30 GH45 GH53/72 GH56 GH60 GH60T GH70 GH72/45 GH45/72 GH60/45 GH60T45 GH60/72 GH60T72 GHM30 GHM45 GHM5372 GHM56 GHM60 GHM60T GHM72 GHM7245 GHM4572 GHM6045 GHM60T/45 GHM6072 GHM60T/72 GHX45 GHX60 GHX60T GHXM45 GHXM60 GHMX60T GHX72 GHXM72 ML-52141 ML-52142 ML-52173 ML-52143 ML-52144 ML-52171 ML-52145 ML-52176 ML-52180 ML-52174 ML-52186 ML-52175 ML-52188 ML-52151 ML-52152 ML-52195 ML-52153 ML-52154 ML-52172 ML-52155 ML-52179 ML-52181 ML-52177 ML-52187 ML
PAGE 2
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.
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TABLE OF CONTENTS PAGE CONFIGURATIONS OF MODEL GH SERIES HEAVY DUTY RANGES . . . . . . . . . . . . . . . . . . . . 4 GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 LIGHTING AND SHUTTING DOWN PILOTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PAGE 4
CONFIGURATIONS OF MODEL GH SERIES HEAVY DUTY RANGES WITH STANDARD AND CONVECTION OVENS GH45 GH30 GH72 GH56 GH53/72 GH45 FULL BODY 34" WIDE GH72/45 GH60/GH60T GH45/72 GH60/72/GH60T72 -4- PL-51241 GH60/45/GH60T/45
PAGE 5
CONFIGURATIONS OF MODEL GH SERIES HEAVY DUTY MODULAR RANGES GHM45 GHM30 GHM72 GHM56 GHM53/72 GHM45 GHM72/45 GHM60 GHM60T GHM45/72 GHM60/72 GHM60T/72 -5- PL-51276 GHM60/45 GHM60T/45
PAGE 6
CONFIGURATIONS OF MODEL GH SERIES HEAVY DUTY EXPANDO RANGES MODEL GHX SERIES EXPANDO RANGES WITH CABINET GHX45 GHX60 GHX60T GHX72 GHX45 18" WIDE FULL BODY WITH CABINET MODEL GHXM SERIES MODULAR EXPANDO RANGES GHXM45 GHXM60 GHXM60T GHXM72 PL-51242 GHXM45 -6-
PAGE 7
CONFIGURATIONS OF GH SERIES HEAVY DUTY OVENS GHO1 SINGLE OVEN WORK TOP VIEW GHO1C SINGLE CONVECTION OVEN GHMO1 ON MODULAR STAND PL-51243 GHO2 DOUBLE STACKED OVEN -7-
PAGE 8
SERVICE MANUAL MODEL GH SERIES HEAVY DUTY GAS RANGES KEEP THIS MANUAL FOR FUTURE REFERENCE GENERAL Vulcan ranges and ovens are produced with quality workmanship and material. Proper installation, usage and maintenance of your range will result in many years of satisfactory performance. The manufacturer suggests that you thoroughly read this entire manual and carefully follow all of the instructions provided. A rating plate is located on the lower left-hand corner of the front frame behind the bellcrank.
PAGE 9
OVEN PROBLEM PROBABLE CAUSES Too Much Bottom Heat. Insufficient heat input. Overactive flue. Too low temperature. Improper operation. Improper bypass setting Fluctuating gas pressure. Uneven Bake Side Burning Too Much Top Heat Too high temperature. Faulty ventilation. Excessive heat input. Thermostat needs calibration. Uneven Bake - Side to Side Range not level side to side. Oven burner, bottom or baffles improperly installed. Pulling to Edge of Pan Warped pans. Oven not level.
PAGE 10
LIGHTING AND SHUTTING DOWN PILOTS OPEN TOP, GRIDDLE TOP AND HOT TOP BURNER PILOTS 1. Turn main gas supply ON. 2. Turn all top burner valve knobs ON to purge gas line of air. 3. Turn top burner valve knobs OFF. 4. Wait 30 seconds. 5. Using a taper, light the pilot(s). 6. If pilot fails to light, wait 5 minutes and repeat Steps 1 through 5. 7. Turn one top burner valve ON to ensure that all gas lines are completely purged of air. Turn burner OFF when gas begins to flow.
PAGE 11
Nightly Shutdown: Turn oven burner valve OFF. Complete Shutdown: Turn oven burner valve OFF. Turn main gas supply OFF. CONVECTION OVEN PILOT Before lighting oven, be sure that range top sections have been lit. 1. Connect range to the main electrical supply line. Open oven door panel and locate square pilot lighter cutout. 2. Turn red gas valve (located behind the control panel) ON, purging the gas line of all air. Turn gas valve and power switch OFF. Close oven door. 3.
PAGE 12
Open Top Burner Pilot Adjustments Tools: Standard screwdriver. After pilot is lit, turn the open top burner(s) ON. Adjust the flame if necessary. To adjust, rotate the pilot valve adjustment screw provided on the manifold pipe. Turn the burner ON; burner flame should appear on the burner head within a second. Rotate the screw clockwise to decrease and counterclockwise to increase the flame. Check the open top burner nozzle relationship.
PAGE 13
Ignite oven/griddle burner pilot. With oven/griddle cold, turn the thermostat dial slowly clockwise until main burner gas is heard snapping ON. Remove the dial. With a screwdriver, turn the bypass adjustment screw (Fig’s. 3 & 4) counterclockwise to increase the bypass flame, or clockwise to decrease it, until flame over the entire burner is approximately 1/8" high.
PAGE 14
3. Turn dial to any temperature setting and allow oven to heat until flame cuts down to bypass. Let cycle several times. 4. After burner has been on sufficiently long enough to cut down the bypass flame, check oven temperature. Recalibrate the control if your reading is not within 15°F of the dial setting. If recalibration is required, proceed as follows: 5. Remove dial. 6. With a screwdriver, loosen the two calibration screws (Fig. 5) until calibration plate moves independently of the control. 7.
PAGE 15
"A" DIAL SHAFT DECREASE INCREASE "A" 1/4 TURN = 35º F THERMOSTAT CALIBRATION Fig. 6 PL-50119 AUTOMATIC SHUTOFF PILOT INSTRUCTIONS Cleaning To clean limiting orifice (Fig. 7), turn gas supply to range OFF. Disconnect pilot tubing at the pilot burner body. The orifice is then accessible at the body end of the pilot burner and can be removed for cleaning. Clean spud, taking care not to enlarge the orifice hole. Fig. 7 Service Instructions (Fig. 8) 1.
PAGE 16
Thermostatically Controlled Griddle Recalibration Field recalibration is seldom necessary and should not be resorted to unless cooking results definitely prove that griddle surface temperature and thermostat setting do not agree. To check griddle temperature, use an accurate "surface temperature thermometer" in the following manner. 1.