Lincoln Impinger Conveyor Ovens 1633-000-EA Service Manual
Lincoln Impinger Conveyor Ovens 1633-000-EA Service Manual

Lincoln Impinger Conveyor Ovens 1633-000-EA Service Manual

Low profile 1600 series international advantage conveyor ovens

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SERVICE MANUAL
(INTERNATIONAL)
IMPINGER CONVEYOR OVENS
LOW PROFILE 1600 INTERNATIONAL ADVANTAGE
Lincoln Foodservice Products, LLC
1111 North Hadley Road
Fort Wayne, Indiana 46804
United States of America
Phone: (800) 374-3004
U.S. Fax: (888) 790-8193 • Int'l Fax: (260) 436-0735
Technical Service Hot Line
(800) 678-9511
www.lincolnfp.com
1600expadv
REV: 1/8/07

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Summary of Contents for Lincoln Impinger Conveyor Ovens 1633-000-EA

  • Page 1 SERVICE MANUAL (INTERNATIONAL) IMPINGER CONVEYOR OVENS LOW PROFILE 1600 INTERNATIONAL ADVANTAGE Lincoln Foodservice Products, LLC 1111 North Hadley Road Fort Wayne, Indiana 46804 United States of America Phone: (800) 374-3004 U.S. Fax: (888) 790-8193 • Int’l Fax: (260) 436-0735 Technical Service Hot Line (800) 678-9511 www.lincolnfp.com...
  • Page 2: Table Of Contents

    SERVICE AND PARTS MANUAL 1600 INTERNATIONAL ADVANTAGE SEQUENCE OF OPERATIONS ... 3 SCHEMATIC ... 5 TROUBLESHOOTING GUIDE ... 6 REMOVAL, INSTALLATION & ADJUSTMENTS... 12 GENERAL PARTS... 20 ADVANTAGE SERIES... 20 CONTROL BOX, RIGHT PARTS... 22 CONTROL BOX, LEFT PARTS ... 24 OVEN BACK PARTS ...
  • Page 3: Sequence Of Operations

    SEQUENCE OF OPERATIONS MODEL 1633-000-EA 230 VAC 50HZ NATURAL GAS MODEL 1634-000-EA 230 VAC 50HZ L.P. GAS POWER SUPPLY Electrical power to be supplied to the oven by a three conductor service. Brown conductor is hot Blue conductor is neutral. Green conductor is ground.
  • Page 4 Adjustments of the speed control potentiometer will change resistance at terminals P1 and P2 varying the DC voltage to the motor. The speed of the conveyor motor will increase or decrease as the DC voltage from the board increases or decreases respectively. NOTE: The conveyor control uses a sensor and magnet, mounted on the conveyor motor that senses motor speed.
  • Page 5: Schematic

    SCHEMATIC MODELS 1633-000-EA AND 1634-000-EA Low Profile – 1600 Advantage Series Service Manual – International...
  • Page 6: Troubleshooting Guide

    MODEL 1633-000 EA NATURAL GAS 230 VAC 50 HZ 1 PHASE MODEL 1634-000-EA L.P. GAS NOTE: When checking components on left side of unit, be sure to check for proper connections in power connector, ( marked P. C. on schematic diagram ) located inside motor cover.
  • Page 7 Fuse holder Gas pressure switch (internal to gas valve) Oven air pressure switch Hi-limit thermostat Ignition control Burner reset switch Burner blower motor Burner blower motor Air pressure switch Spark generator Igniter/sensor assembly Low Profile – 1600 Advantage Series Service Manual – International Check, replace if necessary.
  • Page 8 Gas valve Flame will not stay on Flame sensor Ignition control Pilot lamp is on, Temperature control But no main flame Thermocouple probe Temperature control Potentiometer replace the spark generator. If there is visible damage to the igniter/sensor assembly, replace. Also check for frayed or damaged wires in burner tube.
  • Page 9 Temperature regulation valve Intermittent heating Thermal overload of main fan and burner blower motors Conveyor will not run Power supply Fan switch Fuse, 10 Amp. Fuse holder Filter E.M.I. Speed adjustment potentiometer D.C. motor control board Conveyor Low Profile – 1600 Advantage Series Service Manual – International as needed.
  • Page 10 gear motor Conveyor Conveyor speed varying Power supply or intermittent Motor control board D.C. Gearmotor Magnet Hall Effect Sensor Temperature display Display transformer inoperative and the motor does not run, first check the mini breaker and then the conveyor. Refer to the next possible cause. Check the leads to the motor for evidence of any shorts or opens , and each lead to ground.
  • Page 11 Temperature display Temperature display Thermocouple Inaccurate, erratic Or inoperative Low Profile – 1600 Advantage Series Service Manual – International secondary readings are not achieved, replace transformer. If proper voltage is present at terminals 1,2, and 3 on temperature display, but but the display is not lighted, recheck all connections for tightness.
  • Page 12: Removal, Installation & Adjustments

    REMOVAL, INSTALLATION & ADJUSTMENTS MODEL SERIES 1633-000-EA, 1634-000-EA BEFORE REMOVING OR INSTALLING ANY COMPONENT IN THE IMPINGER OVEN BE SURE TO DISCONNECT ELECTRICAL POWER AND GAS SUPPLY. IGNITION CONTROL – REPLACEMENT A. Remove appropriate control box cover. B. Remove front portion of relay by releasing tabs on side pulling straight out (rocking motion). C.
  • Page 13 CONVEYOR CONTROL BOARD – CALIBRATION A. Connect digital volt meter to the hall effect sensor. Black meter lead connected to black hall effect sensor lead, red meter lead to white hall affect sensor lead. B. Turn conveyor control knob fully counter clockwise. Loosen knob and align with calibration line and tighten knob.
  • Page 14 F. Disconnect pipe union just above gas valve and remove assembly. G. Reassemble in reverse order (check all pipe fittings for leaks ). After assembled check for proper adjustment of gas pressure switch, 10 on dial for natural gas, 27 for L.P. gas, and 4.5 for town gas.
  • Page 15 E. Remove assembly and replace main orifice. F. Reassemble in reverse order and check system operation. NOTE: Check all gas line fittings for leaks. TEMPERATURE CONTROL POTENTIOMETER – REPLACEMENT A. Remove control box cover. B. Loosen screw and slide knob off potentiometer shaft. C.
  • Page 16 CAPACITOR, MAIN FAN MOTOR – REPLACEMENT A. Remove appropriate control box cover. B. Remove 2 wires from capacitor, note wire number and location. WARNING: Capacitor has a stored charge, discharge before handling or testing. D. Cut 2 tyraps securing capacitor to base and replace. E.
  • Page 17 H. ( note location of fan blade for reinstallation ) Loosen lock nuts on cone. Remove 2 mounting bolts and remove motor from back assembly. K. Remove 4 hex head screws from motor mount bracket. Remove motor mount from motor and reinstall on new motor.
  • Page 18 The following chart lists the thermocouple millivolt readings from 200°F to 600°F. 200° F 250° F 300° F 325° F 350° F 400° F 425° F 450° F 500° F 550° F 600° F 90° F 3.26 4.77 88° F 3.32 4.83 86°...
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  • Page 20: General Parts

    LETTER PART # 369110 369929 369926 369925 369927 369930 369211 369058 370253 1609 370252 369745 369723 369783 369717 369057 369501 369238 369030 369390 370167 370663** 370166 370662** 370168 370665*** 370169 370664*** 369707 369740 369718 369931 369746 ** Units from S/N 35951 and above DO NOT contain lower Air Return Baffles. These units only contain a total of two (2) Air Return Baffles which are placed above the top finger assemblies.
  • Page 21 Low Profile – 1600 Advantage Series Service Manual – International...
  • Page 22: Control Box, Right Parts

    CONTROL BOX, RIGHT PARTS LETTER 1633-000-EA, 1634-000-EA PART# DESCRIPTION 369158 Sprocket, 10 tooth 369705 Thermocouple 369757 Main orifice, Nat. 369758 Main orifice, L.P. 370186 Solenoid valve 369590 Igniter/sensor assy. 369937 Venturi, Nat. 369773 Venturi, L.P. 369401 Air shutter assy. 369589 Burner blower motor 369580 Gas valve...
  • Page 23 Low Profile – 1600 Advantage Series Service Manual – International...
  • Page 24: Control Box, Left Parts

    CONTROL BOX, LEFT PARTS LETTER 1633-000-EA, 1634-000-EA PART# DESCRIPTION 369706 Thermocouple with extension 369507 Thermostat, cooling fan 369431 Thermostat, control box hi-limit 369573 Ignition control 369771 Reset switch, ignition control 357107 Fuse holder 369014 Fuse, 10A 369368 Thermostat, hi-limit 369378 cooling fan 369192 Capacitor...
  • Page 25 Low Profile – 1600 Advantage Series Service Manual – International...
  • Page 26: Oven Back Parts

    LETTER OVEN BACK PARTS 1633-000-EA, 1634-000-EA PART# DESCRIPTION 369547 Wire form thermostat bulb 369724 Fan, clockwise rotation 369776 Fan shroud 369777 Stand-off 369778 Rear wall assy. 369761 Motor mount 369759 Motor, main fan 220/240V 50 Hz. 1627 Duct cap 369033 Motor clamp 370245 Rear duct...
  • Page 27 Low Profile – 1600 Advantage Series Service Manual – International...
  • Page 28: Conveyor Parts

    LETTER CONVEYOR PARTS 1633-000-EA, 1634-000-EA PART# DESCRIPTION 369830 Complete conveyor 369816 Conveyor belting 369825 Belt, 1ft. section 369813 Conveyor bearing block 369314 Roll, conveyor, notched 369812 Conveyor idler shaft 369160 Conveyor pan stop 369814 Connecting link 369811 Conveyor drive shaft 369161 Roller chain sprocket 369806...
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This manual is also suitable for:

Impinger 1634-000-ea

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