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Hobart HGC4018 manual

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Table of contents for the manual

  • Page 1

    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 FORM 34069 (6-98) 701 S. RIDGE AVENUE TROY, OHIO 45374-0001[...]

  • Page 2

    — 2 — IMPORT ANT 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 OB[...]

  • Page 3

    — 3 — T ABLE OF CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Unpacking . . . . . . . . [...]

  • Page 4

    — 4 — 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[...]

  • Page 5

    — 5 — 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 cl[...]

  • Page 6

    — 6 — 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-7[...]

  • Page 7

    — 7 — CONNECT GAS LINE STRAIN RELIEF HERE 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 connec[...]

  • Page 8

    — 8 — 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 s[...]

  • Page 9

    — 9 — 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 IN[...]

  • Page 10

    — 10 — PL-41 155-1 SET POINT CYCLE TIME MAN. RESET PROP . BAND DOOR FLAP PL-41 154-1 TEMPERA TURE DISPLA Y LOAD INDICA T OR LIGHT TIME DISPLA Y BEL T SWITCH TIME KNOB POWER SWITCH TIME RANGE SWITCH READ SET POINT BUTT ON Fig. 3 OPERA TION WARNING: THE OVEN AND ITS PARTS ARE HOT. BE VERY CAREFUL WHEN OPERATING, CLEANING OR SERVICING THE OVEN. CO[...]

  • Page 11

    — 11 — 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 — Us[...]

  • Page 12

    — 12 — PL-41 156-1 TIME DISPLA Y TEMPERA TURE DISPLA Y BEL T SWITCH TIME KNOB POWER SWITCH SET POINT TIME RANGE SWITCH SET POINT ARROWS CONTROL CIRCUIT FUSE DRIVE MOTOR FUSES SET POINT INDICA T OR LIGHT ALTERNATE CONTROLS (Fig. 4) Fig. 4[...]

  • Page 13

    — 13 — 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 dig[...]

  • Page 14

    — 14 — PL-41125-1 GAS COMBINA TION CONTROL V AL VE 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[...]

  • Page 15

    — 15 — PL-41 126-1 THUMB SCREWS BAFFLE 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 a[...]

  • Page 16

    — 16 — 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 pan[...]

  • Page 17

    — 17 — Fig. 7 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[...]

  • Page 18

    — 18 — 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 bot[...]

  • Page 19

    — 19 — 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). Fig. 9 Fig. 10 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 o[...]

  • Page 20

    — 20 — 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. Fig. 11 e. Pull the entire conveyor assembly from the oven (Fig. 11). f. Take conveyor assembly to cleaning area. g. Reverse this procedure to replac[...]

  • Page 21

    — 21 — CONVEYOR BELT ASSEMBLING AND DISASSEMBLING (Fig. 12) Install the conveyor belt so that it always runs in the direction indicated by this arrow — the closed end of the loop toward the direction of travel. The arrows in the belt illustrate the movement of the splicing strand between steps. When bending the splicing strand, try to limit b[...]

  • Page 22

    — 22 — COOKING CHART The times and temperatures shown in this chart are suggested only. Experiment with your food products to determine the cooking temperatures and times that give you the best results. TYPE OF APPROX. TIME TEMP. FOOD PRODUCT (IN MIN.) ( ° F) / ( ° C) ITALIAN Pizza (par baked dough) 4 to 4.5 510 / 265 Pizza (fresh dough) 5.5 [...]

  • Page 23

    — 23 — MAINTENANCE WARNING: THE OVEN AND ITS PARTS ARE HOT. BE VERY CAREFUL WHEN OPERATING, CLEANING OR SERVICING THE OVEN. WARNING: DISCONNECT ELECTRICAL POWER SUPPLY BEFORE PERFORMING ANY MAINTENANCE ON THE OVEN. INSPECTION The oven should be inspected at least annually by a Hobart authorized servicer. More frequent cleaning may be required d[...]

  • Page 24

    — 24 — TROUBLESHOOTING GUIDE PROBLEM Power switch is on and oven will not operate. Burner is on but oven does not start. Speed control shows "OL". Conveyor belt does not turn. Conveyor belt jumps. Burner does not ignite. Cooking is not even. Oven gives off gas odors. Oven is operating, temperature controller is on, and the burner goes[...]