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MODEL HGC SERIES GAS CONVEYOR
OVENS
MODELS
HGC3018 ML-126180
HGC4018 ML-126181
HGC3624 ML-126182
HGC3632 ML-126183
HGC4824 ML-126184
HGC4832 ML-126185
HGC6024 ML-126186
HGC6032 ML-126187
701 S. RIDGE AVENUE
TROY, OHIO 45374-0001
FORM 34069 (6-98)
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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 SHUTOFF VALVE AND CONTACT THE LOCAL GAS COMPANY OR GA
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TABLE OF CONTENTS GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Location . . . . . . . . . . . . . . . . . . . .
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Installation, Operation and Care of MODEL HGC SERIES GAS CONVEYOR OVENS PLEASE KEEP THIS MANUAL FOR FUTURE USE GENERAL Hobart ovens are produced with quality workmanship and material. Proper installation, usage and maintenance of your oven will result in many years of satisfactory performance. It is suggested that you thoroughly read this entire manual and carefully follow all of the instructions provided. INSTALLATION Before installing, verify that the electrical service and type of gas supply
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LOCATION When the crate is turned on its side, the oven will pass through a 34" (86 cm) door opening (or 30" [76 cm] opening without the crate). Verify that the doors and access routes into the kitchen area will permit clearance. The equipment area must be kept free and clear of combustible substances. When installed, minimum clearance from combustible and non-combustible construction must be 2.5" (63.5 mm) at the sides and 2.5" (63.5 mm) at the rear. The installation location must allow adequa
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INSTALLATION CODES AND STANDARDS The oven must be installed in accordance with: In the United States of America: 1. State and local codes. 2. National Fuel Gas Code, ANSI-Z223.1 (latest edition). Copies may be obtained from The American Gas Association, Inc., 1515 Wilson Blvd., Arlington, VA 22209. 3. National Electrical Code, ANSI/NFPA-70 (latest edition). Copies may be obtained from The National Fire Protection Association, Batterymarch Park, Quincy, MA 02269. In Canada: 1. Local codes. 2. C
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ASSEMBLY Ovens Mounted on Legs or Feet To service the oven when mounted on legs or feet, a minimum clearance of 18" (457 mm) from service compartment is required. Ovens Mounted on Casters NOTICE: In order to be able to service this appliance, it must be installed with the casters supplied, a connector complying with ANSI Z21.69 or CAN/CGA-6.16, and a quick-disconnect device complying with ANSI Z21.41 or CAN1-6.9. It must also be installed with restraining means to guard against transmission of
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Installing Stacked Ovens After basic oven is installed: • Lift the top oven and place it on top of the bottom oven. • No fasteners are required; the weight of the oven will keep it in place. LEVELING Casters for this oven are of the non-adjustable type. For best results, oven should be installed on a level floor. GAS CONNECTIONS Gas supply connections and any pipe joint compound must be resistant to the action of propane gases. 3 Location of the ⁄4" gas inlet is at the back of the oven on the l
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ELECTRICAL CONNECTIONS WARNING: ELECTRICAL AND GROUNDING CONNECTIONS MUST COMPLY WITH THE APPLICABLE PORTIONS OF THE NATIONAL ELECTRICAL CODE AND/OR OTHER LOCAL ELECTRICAL CODES. WARNING: APPLIANCES EQUIPPED WITH A FLEXIBLE ELECTRIC SUPPLY CORD ARE PROVIDED WITH A THREE-PRONG GROUNDING PLUG. IT IS IMPERATIVE THAT THIS PLUG BE CONNECTED INTO A PROPERLY GROUNDED THREE-PRONG RECEPTACLE. IF THE RECEPTACLE IS NOT THE PROPER GROUNDING TYPE, CONTACT AN ELECTRICIAN. DO NOT REMOVE THE GROUNDING PRON
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OPERATION WARNING: THE OVEN AND ITS PARTS ARE HOT. BE VERY CAREFUL WHEN OPERATING, CLEANING OR SERVICING THE OVEN. CONTROLS (Fig's. 2 and 3) TEMPERATURE DISPLAY READ SET POINT BUTTON LOAD INDICATOR LIGHT TIME DISPLAY TIME RANGE BELT SWITCH SWITCH TIME KNOB POWER SWITCH PL-41154-1 Fig. 2 SET POINT CYCLE TIME MAN. RESET PROP. BAND DOOR FLAP PL-41155-1 Fig. 3 — 10 —
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Temperature Display — Displays actual oven cavity temperature during cooking cycle. Read Set Point Button — Push to display set temperature. Load Indicator Light — When lit, indicates that the heat is being provided to the oven. Time Display — Displays actual cooking time in minutes and tenths of minutes. Time Range Switch — Use to set cook time range from 2 to 8 minutes, 8 to 15 minutes, or 15 to 20 minutes. Switch must be on cook time range desired in order to change belt speed. Belt Switch —
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ALTERNATE CONTROLS (Fig. 4) TEMPERATURE DISPLAY SET POINT INDICATOR LIGHT SET POINT SET POINT ARROWS TIME DISPLAY TIME RANGE BELT SWITCH SWITCH POWER SWITCH TIME KNOB DRIVE MOTOR FUSES CONTROL CIRCUIT FUSE PL-41156-1 Fig. 4 — 12 —
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Temperature Display — Displays actual oven cavity temperature during cooking cycle. Set Point — Press to display set temperature. Set Point Arrows — 1. Press the Set Point button so that the set point is displayed, and at the same time, press the Set Point Arrows up or down until the desired set point temperature appears in the digital display. 2. Release the Set Point button. The actual oven cavity temperature will display. Set Point Indicator Light — When lit, indicates that the heat is being
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BEFORE FIRST USE 1. Clean the protective metal oils from all surfaces of the oven. 2. Use a non-corrosive, grease dissolving commercial cleaner. Follow manufacturer's directions. 3. Rinse thoroughly with a clean damp cloth and wipe dry with a soft clean cloth. • DO NOT hose down the oven. • Do not use this oven if its controls have been wet. If the controls are wet, contact your Hobart servicer. LIGHTING INSTRUCTIONS Turning the Oven On The burner control is a solid state device that automatic
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Extended Shutdown 1. Turn Power Switch to OFF. 2. Turn gas combination valve to OFF. 3. Turn main gas shutoff valve to OFF. USING THE OVEN 1. Turn the main power switch ON. • The oven will begin operating at the factory set temperature of 525°F (273°C). • The actual oven cavity temperature will appear in the temperature display. • The Load Indicator Light will indicate if the heat is on. 2. Press and hold the Read Set Point or Set Point button to read the temperature set point. • The set point w
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Loading and Unloading the Oven 1. Place product in utensils (if required). 2. Set utensils or products on the entrance end of the belt; not in the oven tunnel. 3. Remove utensils or products from the oven after they completely clear the oven tunnel. Air Distribution Panels The oven is equipped with a top and a bottom air distribution panel. • These panels regulate the quantity of air on the top and bottom of the product that is being cooked. • They have been adjusted at the factory for proper ba
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CLEANING WARNING: DISCONNECT ELECTRICAL POWER SUPPLY BEFORE CLEANING. Daily Clean the outside of the oven daily by wiping with a clean damp cloth. • Avoid using abrasive powders or pads; these cleaners may damage the finish. Clean right-hand and left-hand crumb trays (Fig. 7). 1. Remove and wash in a sink as you would any normal utensil. 2. Replace crumb trays. Clean center crumb tray (Fig. 7). 1. Remove the front panel. a. Grasp each side of the door handle and lift up. b. Swing the bottom of
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Conveyor To maintain proper belt tension, adjust the conveyor belt to remove any slack. 1. Locate the two adjustment screws (Fig. 8) on the right hand end (facing machine) of the conveyor assembly. 2. Loosen the nuts on the inside of the conveyor rack and turn the adjusting screws clockwise to increase belt tension. Be sure to adjust both screws an equal amount. 3. Retighten the nuts on the inside of the conveyor rack. If the conveyor belt adjustment is at its maximum and the belt is still slac
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2. Conveyor Assembly Removal a. Remove conveyor crumb trays (see Fig. 7). b. Remove cover where conveyor shaft enters the left-hand control box (Fig. 9). REMOVE COVER PL-41129-1 Fig. 9 c. Lift up the drive end of the conveyor assembly and slide the conveyor assembly into the oven tunnel to remove the tension on the drive chain. d. Slip the drive chain off the conveyor drive sprocket (Fig. 10). PL-41130 Fig. 10 — 19 —
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e. Pull the entire conveyor assembly from the oven (Fig. 11). PL-41131 Fig. 11 f. Take conveyor assembly to cleaning area. g. Reverse this procedure to replace conveyor assembly. Weekly CAUTION: Intake fans and slots on the back of the oven and control box must be cleaned weekly. Any obstructions may cause motor damage. Use a long bristle brush to clean these areas. — 20 —
