Lang F6 Installation, Operation, Maintenance, & Troubleshooting

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Installation, Operation, Maintenance, & Troubleshooting
Model: F6,
Oven
Lang Manufacturing Company
6500 Merrill Creek Parkway
Everett, WA 98203
Rev. B
Phone: 425-349-2400 Fax: 425-349-2733
Part #
WWW.LANGWORLD.COM
© Copyright 2002

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Summary of Contents for Lang F6

  • Page 1 Installation, Operation, Maintenance, & Troubleshooting Model: F6, Oven Lang Manufacturing Company 6500 Merrill Creek Parkway Everett, WA 98203 Rev. B Phone: 425-349-2400 Fax: 425-349-2733 Part # WWW.LANGWORLD.COM © Copyright 2002...
  • Page 2 THIS MANUAL MUST BE RETAINED FOR FUTURE REFERENCE. READ, UNDERSTAND AND FOLLOW THE INSTRUCTIONS AND WARNINGS CONTAINED IN THIS MANUAL. FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE. POST IN A PROMINENT LOCATION INSTRUCTIONS TO BE FOLLOWED IN THE EVENT USER SMELLS GAS.
  • Page 3: Table Of Contents

    TABLE OF CONTENTS CHAPTER PAGE 1. TABLE OF CONTENTS................3 2. READ FIRST...................4 3. EQUIPMENT DESCRIPTION ..............6 4. UNPACKING...................7 5. INSTALLATION ..................8 6. INITIAL START-UP.................9 7. OPERATION...................10 8. MAINTENANCE & CLEANING ...............11 9. ILLUSTRATED PARTS BREAK DOWN ..........16 10. PARTS LIST ...................19 11.
  • Page 4: Read First

    IMPORTANT READ FIRST IMPORTANT CAUTION: EACH UNIT WEIGHS 275 LBS. FOR SAFE HANDLING, INSTALLER SHOULD OBTAIN HELP AS NEEDED, OR EMPLOY APPROPRIATE MATERIALS HANDLING EQUIPMENT (SUCH AS A FORKLIFT, DOLLY, OR PALLET JACK) TO REMOVE THE UNIT FROM THE SKID AND MOVE IT TO THE PLACE OF INSTALLATION.
  • Page 5 FOLLOW THE DIRECTIONS ON THE LABEL OF THE CLEANER TO BE USED. NOTICE: Service on this, or any other, LANG appliance must be performed by qualified personnel only. Consult your authorized service station directory or call the factory at 1-800-224-LANG (5264), or WWW.LANGWORLD.COM for the service station nearest you.
  • Page 6: Equipment Description

    The oven is designed for three shelves and comes with three Chrome Plated Racks. The interior of the oven is constructed of aluminized steel. Operation The F6 oven is a forced air convection oven with a vented oven cavity. The air is driven by a 1/3 HP fan motor. Controls Easy to use manual control knobs.
  • Page 7: Unpacking

    15 days of delivery. All packing material should be kept for inspection. Do not return damaged merchandise to Lang Manufacturing Company. File your claim with the carrier.
  • Page 8: Installation

    INSTALLATION DANGER: THIS APPLIANCE MUST BE GROUNDED AT THE TERMINAL PROVIDED. FAILURE TO GROUND THE APPLIANCE COULD RESULT IN ELECTROCUTION AND DEATH. WARNING: INSTALLATION OF THE UNIT MUST BE DONE BY PERSONNEL QUALIFIED TO WORK WITH ELECTRICITY AND PLUMBING. IMPROPER INSTALLATION CAN CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO EQUIPMENT.
  • Page 9: Initial Start-Up

    INSTALLATION Stacking the Ovens Stacking kits must be requested upon purchase. Remove all the plug buttons from the top of the lower oven. Remove the stacking kit from the oven compartment of one oven and install the 1 1/4- inch plastic bushing into the top of the lower oven. Tip the top oven backwards and install two pins into the front leg holes of the top oven.
  • Page 10: Operation

    The convection oven roasts and bakes in shorter time and at lower temperatures with less shrinkage than conventional commercial ovens. A blower in the Lang convection oven circulates air within the chamber to heat the entire space evenly and transfer heat efficiently to the product, even with stacked loading.
  • Page 11: Maintenance & Cleaning

    Care should be taken to prevent caustic cleaning compounds from coming in contact with the blower wheel. • The oven racks, rack slides, and interior may be cleaned using Lang Mfg. Foam Deluxe (72804-36) oven cleaner. • Discoloration or heat tint may be removed using Lang Mfg. Carbon Release (72804-32) oven cleaner.
  • Page 12: Trouble Shooting

    MAINTENANCE & CLEANING TROUBLE SHOOTING Symptoms What follows is a chart of Symptoms, Possible Causes, and Remedy’s to aid in diagnosing faults with the oven. Refer to the Symptoms column to locate the type of failure then to the Possible Cause for the items to be checked and the Remedy to column for possible solutions.
  • Page 13 MAINTENANCE & CLEANING TESTS NOTICE: Service on this, or any other, LANG appliance must be performed by qualified personnel only. Consult your authorized service station directory or call the factory at 1-800-224-LANG (5264), or WWW.LANGWORLD.COM For the service station nearest you.
  • Page 14 MAINTENANCE & CLEANING CALIBRATION Calibration Check Place thermometer or thermocouple in the center of oven cavity. Set thermostat to 350°. Allow the oven to Preheat for at least half an hour. Note cycle on temperatures and cycle off temperatures for 3 cycles. (Red indicator light indicates when oven is calling for heat) After 3 cycles average the temperature.
  • Page 15 MAINTENANCE & CLEANING Blower Wheel Secure oven from power. Inside the oven, remove the racks and right hand rack slide. Remove wing nut holding oven baffle. Remove oven baffle exposing the blower wheel. Loosen the two 1/4-20-set screws holding the blower wheel to the motor shaft. Using a three-fingered wheel puller, grasp the puller ring with all three fingers and tighten the puller until the blower wheel hub clears the motor shaft.
  • Page 16: Illustrated Parts Breakdown

    ILLUSTRATED PARTS BREAKDOWN...
  • Page 17 ILLUSTRATED PARTS BREAKDOWN...
  • Page 18 ILLUSTRATED PARTS BREAKDOWN...
  • Page 19: Parts List

    PARTS LIST Item # Description Lang Part # Fuse Holder 15 Amp 30901-02 Switch Toggle On-Off 30303-06 Knob Manual Timer 70701-09 Knob Damper Black 70701-25 70701-19 Knob Thermostat 450°F Oven Pilot Light 208/240VAV 31601-01 Pilot Light 480VAC 31601-02 30402-27 Thermostat 450°F Oven...
  • Page 20: Wiring Diagram

    WIRING DIAGRAM 208/ 240...
  • Page 21 WIRING DIAGRAM 480...
  • Page 22: Warranty

    WARRANTY. III. Lang, or an authorized service representative, will VI. Lang Equipment is for commercial use only. If sold as a repair or replace, at Lang’s sole election, and Lang component of another(OEM) manufacturer’s equipment, or if...

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