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Lincoln Impinger X2 Ovens with Push Button Controls 3240-2 Service Manual
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Lincoln Impinger X2 Ovens with Push Button Controls 3240-2 Service Manual

Lincoln ovens with analog controls service manual
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SERVICE MANUAL
(DOMESTIC & INTERNATIONAL)
IMPINGER X2 OVENS
WITH ANALOG CONTROLS
MODEL
3240-2, 3262-2, 3270-2
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
X2svcmanual
REV: 1/8/07

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Summary of Contents for Lincoln Impinger X2 Ovens with Push Button Controls 3240-2

  • Page 1 (DOMESTIC & INTERNATIONAL) IMPINGER X2 OVENS WITH ANALOG CONTROLS MODEL 3240-2, 3262-2, 3270-2 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...
  • Page 2 3240-2* 3240-2* 3262-2* 3262-2* 3270-2* 3270-2* Model number ending in TS indicates top belt is split belt Model number ending in SB indicates bottom belt is split belt Model number ending in SS indicates both belts are split belts POWER SUPPLY MAIN FAN CIRCUIT BURNER CIRCUIT TEMPERATURE CONTROL...
  • Page 3 3240-2* 3262-2* 3270-2* Model number ending in TS indicates top belt is split belt Model number ending in SB indicates bottom belt is split belt Model number ending in SS indicates both belts are split belts POWER SUPPLY MAIN FAN CIRCUIT BURNER CIRCUIT TEMPERATURE CONTROL CONVEYOR DRIVE...
  • Page 4 SCHEMATIC DIAGRAM MODEL 3240-2, 3262-2, 3270-2 60 HZ. Impinger X2 – Analog Service Manual – Dom & Int’l...
  • Page 5 SCHEMATIC DIAGRAM MODEL 3240-2, 3262-2, 3270-2 50 HZ. Impinger X2 – Analog Service Manual – Dom & Int’l...

  • Page 6: Troubleshooting Guide

    3240-2* 3240-2* 3262-2* 3262-2* 3270-2* 3270-2* Model number ending in TS indicates top belt is split belt Model number ending in SB indicates bottom belt is split belt Model number ending in SS indicates both belts are split belts SYMPTOM Oven fan will not run TROUBLESHOOTING GUIDE 120/230VAC...
  • Page 7 Oven will not heat Impinger X2 – Analog Service Manual – Dom & Int’l bearings. Replace bearings as needed. Gas supply Check for adequate gas supply to oven. Manual gas shut off valve Check to see that the manual gas shut off valve is open.
  • Page 8 Pilot flame, but no main flame wiring back to the centrifugal switch of the burner blower motor. If voltage is present, check for 24VAC at pins #3 and #2 (pilot valve). If voltage is not present, replace burner control. If the pilot valve is energized, check to see that the high voltage igniter circuit is also energized.
  • Page 9 Intermittent heating Conveyor will not run Impinger X2 – Analog Service Manual – Dom & Int’l Temperature regulation valve If 120VAC is present on the electronic temperature control, terminal #13 to neutral, check for voltage at temperature regulation valve. If no voltage is present, trace wiring back to electronic temperature control.
  • Page 10 Conveyor speed varying or intermittent assembly. Check for damaged or torn belting. Check conveyor shaft bearings for damage or excessive wear. Repair or replace conveyor components as needed. Power supply Check for a steady 120VAC supply to the conveyor control. If voltage is not steady, trace back to power supply.
  • Page 11 3240-2* 3262-2* 3270-2* Model number ending in TS indicates top belt is split belt Model number ending in SB indicates bottom belt is split belt Model number ending in SS indicates both belts are split belts SYMPTOM Oven fan will not run Impinger X2 –...
  • Page 12 Oven will not heat Gas supply Check for adequate gas supply to oven. Manual gas shut off valve Check to see that the manual gas shut off valve is open. Also, check flexible gas line connection for any damage. Main fan motor Check for main fan operation.
  • Page 13 Pilot flame, but no main flame Impinger X2 – Analog Service Manual – Dom & Int’l Burner control Check for supply voltage at terminal #7 on burner control. If no voltage is present, trace wiring back to air pressure switch. If voltage is present, check for output voltage (after the 30 second delay) from terminal #8 on the burner control.
  • Page 14 Intermittent heating Conveyor will not run On at this time control at terminals #13 and #12. Of there is no voltage, Electronic temperature trace wiring back to the burner switch. Also check for control supply voltage to terminal #20 on the electronic temperature control.
  • Page 15 Conveyor speed varying or intermittent Impinger X2 – Analog Service Manual – Dom & Int’l switch as needed. Control, conveyor Check for supply voltage to conveyor control at terminals #1 (AC) and #2 (AC). If no voltage is present, trace wiring back to conveyor switch. If AC voltage is present, check for DC voltage output at terminals #3 (A-) and #4 (A+).
  • Page 16 REMOVAL, INSTALLATION & ADJUSTMENTS BEFORE REMOVING OR INSTALLING ANY COMPONENT IN THE IMPINGER X2 OVEN BE SURE TO DISCONNECT ELECTRICAL POWER AND GAS SUPPLY MOTOR, MAIN FAN - REPLACEMENT Shut off power at main breaker. Remove control box cover and control box rear cover. Disconnect motor wiring and mark all wiring for reassembly.
  • Page 17 9. Remove burner tube bracket and Burner tube. To remove burner tube, Remove cap from idle end of Oven wall and remove burner tube. 10. Measure distance from end of shaft to the collar 11. of blower wheel. Loosen blower wheels from shaft. (1/4"...
  • Page 18 RELAY, MAIN FAN, - REPLACEMENT Shut off power at main breaker. Remove control box cover. Disconnect all wiring from relay and mark all wiring for reassembly. Remove main relay and overload protector. Remove overload protector from main relay and mount overload protector on new relay. Reassemble in reverse order and check system for proper operation.
  • Page 19 Disconnect wiring from burner blower relay and mark all wiring for reassembly. Remove two mounting screws and remove burner blower relay. Reassemble in reverse order and check system operation. BURNER CONTROL – REPLACEMENT Shut off power at main breaker. Remove control box cover Disconnect wiring from burner control and mark all wiring for reassembly.
  • Page 20 Press the “FUNC” key until the display reads “Cnf”. Shut off burner, remove control from the mounting base. Close the Hairpin switch on the control and replace the control in the mounting base. Turn the burner on. Set oven temperature to 500°F and verify calibration. Allow oven to preheat for at least 30 minutes.
  • Page 21 Disconnect all wiring from the temperature regulation valve and the main gas valve. Mark all wiring for reassembly. Remove pilot tube from gas valve. Disconnect pipe unions at the burner and at the inlet side of the main gas valve. Loosen pipe clamp and remove valves and piping assembly. Remove piping from old valve and reassemble in reverse order.
  • Page 22 HALL EFFECT SENSOR – REPLACEMENT Shut off power at main breaker. Remove control box cover. Disconnect all wiring from hall effect sensor and mark all wiring for reassembly. Remove mounting nut and remove hall effect sensor and magnet. Reassemble in reverse order and check system operation. CONVEYOR CONTROL –...
  • Page 23 CONVEYOR CONTROL – PROGRAMMING Determine which brand of motor is connected to the conveyor control. Determine which type of dart conveyor control is installed in the oven. Looking at the face of the control, the old style control will have “up” and “down” keys only. The new style Dart conveyor control will have “up”, “down”...
  • Page 24 CONVEYOR CONTROL – PROGRAMMING – DAYTON MOTOR, DIRECT DRIVE Jumper “DART” Conveyor control with “UP”, “DOWN” and “ENTER” keys (NEW STYLE). Remove control box cover. Remove top cover from conveyor control. Locate program jumper on conveyor control and set jumper to the “ON”...
  • Page 25 CONVEYOR CONTROL – PROGRAMMING – DAYTON MOTOR, RIGHT ANGLE DRIVE Jumper “DART” Conveyor control with “UP”, “DOWN” and “ENTER” keys. Remove control box cover. Remove top cover from conveyor control. Locate program jumper on conveyor control and set jumper to the “ON”...
  • Page 26 CONVEYOR CONTROL – PROGRAMMING – GLEASON AVERY MOTOR, DIRECT DRIVE Jumper “DART” Conveyor control with “UP”, “DOWN” and “ENTER” keys. Remove control box cover. Remove top cover from conveyor control. Locate program jumper on conveyor control and set jumper to the “ON”...
  • Page 27 This page intentionally left blank. Impinger X2 – Analog Service Manual – Dom & Int’l...

  • Page 28: General View

    LETTER IMPINGER X2 OVENS GENERAL VIEW PART NUMBER DESCRIPTION 9004415 Finger housing, bottom (3240), #5 left (3262, 3270) 9004415 Finger housing, bottom (3240), #6 right (3262, 3270) 9004422 Finger housing, middle (3240), #3 left (3262, 3270) 9004422 Finger housing, middle (3240), #4 right (3262, 3270) 9004416 Finger housing, top, (3240), #1 left (3262, 3270) 9004416...
  • Page 29 Impinger X2 – Analog Service Manual – Dom & Int’l...

  • Page 30: Oven Cavity

    LETTER IMPINGER X2 OVENS OVEN CAVITY PART NUMBER DESCRIPTION 9004435 Guard, shaft – 3262 9004419 Guard, shaft – 3270 4071215 Housing, blower 100601417 Air return plate, right – 3240, 3262 200601417 Air return plate, right – 3270 100601417 Air return plate, left – 3240, 3262 200601417 Air return plate, left –...
  • Page 31 Impinger X2 – Analog Service Manual – Dom & Int’l...

  • Page 32: Control Box

    LETTER Not shown Not shown IMPINGER X2 OVENS CONTROL BOX PART NUMBER DESCRIPTION 508120EP Coupling w/sleeve 100501329 Front cover –2 oven 100501327 Front cover – 2TS oven (split belt top) 100501326 Front cover – 2SB oven (split belt bottom) 100501325 Front cover –2SS oven (split belt top and bottom) 501176MEP Conveyor drive motor...
  • Page 33 Impinger X2 – Analog Service Manual – Dom & Int’l...
  • Page 34 LETTER IMPINGER X2 OVENS BURNER/DRIVE END PART NUMBER DESCRIPTION 7007124 Flange, burner 390048 Heat slinger, 3240 390047 Heat slinger, 3262, 3270 507500EP Bearing, drive end 501260EP Motor, burner blower 501250-8EP Relay, time delay 369531 Transformer, 120/24VAC 369142 Flame target 501250-1EP Igniter/sensor assy.
  • Page 35 Impinger X2 – Analog Service Manual – Dom & Int’l...
  • Page 36 LETTER IMPINGER X2 OVENS CONVEYOR, SINGLE PART NUMBER DESCRIPTION 100403103 Shelf, infeed side 100403101 Shelf, out take side 100403107 Pan stop, zero stop 10040710 Crumb pan (bottom conveyor only) 369005 Connecting link 100405831 Conveyor belt - complete, 3240 100405810 Conveyor belt - complete, 3262 100405830 Conveyor belt - complete, 3270 405830-1EP...
  • Page 37 Impinger X2 – Analog Service Manual – Dom & Int’l...
  • Page 38 LETTER IMPINGER X2 OVENS CONVEYOR, DUAL BELT PART NUMBER DESCRIPTION 100403103 Take off shelf, infeed side 100403101 Take off shelf, out take side 100403107 Pan stop, zero stop 100403710 Crumb pan (bottom conveyor only) 405849-2EP Connecting link 100405847 Conveyor belt, complete, 3240 405849EP Conveyor belt, complete, 3262 100405844...
  • Page 39 Impinger X2 – Analog Service Manual – Dom & Int’l...
  • Page 40 Impinger X2 – Analog Service Manual – Dom & Int’l...

This manual is also suitable for:

3262-2Impinger x2Impinger x2 ovens with push button controls 3270-2