SERVICE AND PARTS MANUAL FOR H SERIES HEAVY DUTY GAS RANGES FORMERLY 7800 AND SG7800 SERIES VULCAN-HART FORM 30555 (2-91) COMPANY, P.O. BOX 696, LOUISVILLE, KY 40201-0696, TEL.
SERVICE & PARTS H SERIES IMPORTANT OPERATING, INSTALLING AND SERVICE PERSONNEL Operating information for this equipment has been prepared for use by qualified and/authorized operating personnel. All installation and service on this equipment is to be performed by qualified, certified, licensed and/ authorized installation or service personnel, with the exception of any part marked with a in front of the part number.
H SERIES SERVICE & PARTS SERVICE AND PARTS MANUAL FOR H SERIES GAS RANGES INDEX (Formerly 7800 & SG-7800 Series) PLEASE KEEP THIS MANUAL FOR FUTURE REFERENCE DESCRIPTION PAGE DEFINITIONS OF PERSONNEL (OPERATING, INSTALLATION & SERVICE) Inside Front Cover INDEX 3 TROUBLESHOOTING (PROBLEMS AND CAUSES) 4 LIGHTING AND SHUTTING DOWN PILOT BURNERS 5, 6 PILOT BURNER ADJUSTMENTS 7 STANDARD OVEN TEMPERATURE CONTROL RECALIBRATION 8 CONVECTION OVEN TEMPERATURE CONTROL RECALIBRATION 8 AUTOMATIC SHUT
SERVICE & PARTS H SERIES TROUBLESHOOTING PROBLEM PROBABLE CAUSES OVEN TOO MUCH BOTTOM HEAT UNEVEN BAKE SIDE BURNING INSUFFICIENT HEAT INPUT. OVERACTIVE FLUE. TOO LOW TEMPERATURE. IMPROPER OPERATION. IMPROPER BYPASS SETTING. FLUCTUATING GAS PRESSURE. TOO MUCH TOP HEAT TOO HIGH TEMPERATURE. FAULTY VENTILATION. EXCESSIVE HEAT INPUT. THERMOSTAT NEEDS CALIBRATION. UNEVEN BAKE - SIDE TO SIDE APPLIANCE NOT LEVEL SIDE TO SIDE. OVEN BURNER, BOTTOM OR BAFFLES IMPROPERLY INSTALLED.
H SERIES SERVICE & PARTS LIGHTING AND SHUTTING DOWN PILOT BURNERS NOTE: All adjustment procedures associated with pilot lighting must be performed by an authorized Vulcan-Hart installation or service person. The bypass (minimum burner) flame adjustment must be made at the time the appliance is installed. OPEN TOP BURNERS GRIDDLE TOPS/HOT TOPS 1. Turn main gas supply ON. 2. Wait 30 seconds, and using a taper, light the griddle pilot. 3. If pilot fails to light, turn main gas supply OFF.
SERVICE & PARTS H SERIES LIGHTING AND SHUTTING DOWN PILOT BURNERS (Cont.) STANDARD OVEN PILOT CONVECTION OVEN PILOT NOTE: Before lighting oven, be sure that range top sections have been lit. NOTE: Before lighting oven, be sure that range top sections have been lit. 1. Open oven door and lift up the pilot lighting hole cover. 1. Connect unit to the main electrical supply line. Open oven door panel and lift up the pilot lighting hole cover. 2. Light oven pilot by depressing red reset button (Fig.
H SERIES SERVICE & PARTS PILOT BURNER ADJUSTMENTS NOTE: All pilot adjustments are to be performed only by certified Vulcan service representatives. 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 unit manifold pipe. Turn the burner ON; burner flame should appear on the burner head within a second.
SERVICE & PARTS H SERIES TEMPERATURE CONTROL RECALIBRATION STANDARD OVEN TEMPERATURE CONTROL RECALIBRATION Field recalibration is seldom necessary and should not be resorted to unless experience with cooking results definitely proves that the control is not maintaining the set temperature. To check oven temperatures when recalibrating, use a Robertshaw Test Instrument or a reliable mercury oven thermometer. Fig. 5 1. Place thermocouple of test instrument or thermometer in the middle of the oven.
H SERIES SERVICE & PARTS AUTOMATIC SHUTOFF PILOT INSTRUCTIONS CLEANING THERMOSTATICALLY CONTROLLED GRIDDLE RECALIBRATION To clean limiting orifice (Fig. 7), turn gas supply to unit 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.
SERVICE & PARTS H SERIES REPLACEMENT PARTS LIST WARNING ALL SERVICE PERSONNEL WHEN SERVICING THIS EQUIPMENT, USE ONLY CERTIFIED CONTROLS DUPLICATING THOSE ORIGINALLY SUPPLIED ON THIS EQUIPMENT BY VULCAN-HART COMPANY. DO NOT SUBSTITUTE COMPONENTS WITH DIFFERENT MODEL NUMBERS. DO NOT SUBSTITUTE COMPONENTS WITH DIFFERENT MANUFACTURING NAMES. DO NOT SUBSTITUTE COMPONENTS WITH REBUILT CONTROLS WITHOUT AUTHORIZATION FROM VULCANHART CORP.
H SERIES SERVICE & PARTS REPLACEMENT PARTS LIST H SERIES RANGE REPLACEMENT PARTS LIST ALL UNITS WITH OVENS ITEM NUMBERS REFER TO REPLACEMENT PARTS DRAWING AND PHOTOS OF INSERT B & A Item Std. Oven Conv. Oven Part Numbers (Formerly SG 7800) Description Part Numbers (Formerly 7800) 1 2 3 407798-4 407522-1 407789-1 407798-4 4 409819-G2 5 6 9 10 10.
SERVICE & PARTS H SERIES REPLACEMENT PARTS LIST (Cont.) 29 30 31 31.1 32 33 34 34.1 35 37 38 39 40 41 42 43 44 44.1 45 46 47 48 48.1 49 49.1 49.
H SERIES SERVICE & PARTS REPLACEMENT PARTS LIST (Cont.) 57 58 59 60 62 63 64 65 66 67 67.1 68 69 70 71 71.
SERVICE & PARTS H SERIES REPLACEMENT PARTS LIST (Cont.) 80 81 82 83 84 85 86 87 48.2 48.3 88 88.1 89 90 91 92 93 94 95 5.1 96 97 98 98.
H SERIES SERVICE & PARTS REPLACEMENT PARTS LIST (Cont.) PART NO. DESCRIPTION GAS BURNER ORIFICE Drill Size No. H30 VALVES 402601-A44 402601-F56 402601-F55 Valve, Top Burner Adj. Valve, Top Burner Fixed Valve, Top Burner Fixed Natural Butane Propane Outer Outer Outer 44 (.086) 55 (.052) 54 (.050) 402601-A48 402601-F59 402601-F57 Valve, Top Burner Adj. Valve, Top Burner Fixed Valve, Top Burner Fixed Natural Butane Propane Middle Middle Middle 48 (.076) 58 (.042) 56 (.
SERVICE & PARTS H SERIES REPLACEMENT PARTS LIST (Cont.) ITEM DESCRIPTION PART NUMBER STD.OVEN (Formally 7800) PART NUMBER CONV.
H SERIES SERVICE & PARTS REPLACEMENT PARTS LIST (Cont.
SERVICE & PARTS H SERIES REPLACEMENT PARTS LIST (Cont.
H SERIES SERVICE & PARTS REPLACEMENT PART PHOTOS H54 – 19 –
SERVICE & PARTS H SERIES REPLACEMENT PART PHOTOS (Cont.
H SERIES SERVICE & PARTS REPLACEMENT PART PHOTOS (Cont.
SERVICE & PARTS H SERIES REPLACEMENT PART PHOTOS (Cont.
H SERIES SERVICE & PARTS REPLACEMENT PART PHOTOS (Cont.
SERVICE & PARTS H SERIES REPLACEMENT PART PHOTOS (Cont.
H SERIES SERVICE & PARTS REPLACEMENT PART PHOTOS (Cont.
THIS PAGE INTENTIONALLY LEFT BLANK
THIS PAGE INTENTIONALLY LEFT BLANK
THIS PAGE INTENTIONALLY LEFT BLANK
