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Lincoln 3240-2 Service Manual
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Lincoln 3240-2 Service Manual

Lincoln 3240-2 Service Manual

Impinger x2 ovens with push button controls
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SERVICE MANUAL
WITH PUSH BUTTON CONTROLS
X2digservman
(DOMESTIC & INTERNATIONAL)
IMPINGER X2 OVENS
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
REV: 1/7/08

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Summary of Contents for Lincoln 3240-2

  • Page 1 SERVICE MANUAL (DOMESTIC & INTERNATIONAL) IMPINGER X2 OVENS WITH PUSH BUTTON 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 SEQUENCE OF OPERATION IMPINGER X2 OVENS - DOMESTIC WITH PUSH BUTTON CONTROLS 3240-2* 230VAC 60 HZ. 1 PHASE 3240-2* 230VAC 60 HZ. 3 PHASE 3262-2* 230VAC 60 HZ. 1 PHASE 3262-2* 230VAC 60 HZ. 3 PHASE 3270-2* 230VAC 60 HZ.
  • Page 3 SEQUENCE OF OPERATION IMPINGER X2 OVENS - INTERNATIONAL WITH PUSH BUTTON CONTROLS 3240-2* 230VAC 50 HZ. 1 PHASE 3262-2* 230VAC 50 HZ. 1 PHASE 3270-2* 230VAC 50 HZ. 1 PHASE *NOTE: Model number ending in TS indicates top belt is split belt...
  • Page 4 SCHEMATIC DIAGRAM MODELS 3240-2, 3262-2, 3270-2 60 HZ. WITH PUSH BUTTON CONTROLS Impinger X2 – Digital Service Manual – Dom & Int’l...
  • Page 5 https://appliancetechmanuals.com SCHEMATIC DIAGRAM MODELS 3262-2, 3270-2 50 HZ. WITH PUSH BUTTON CONTROLS Impinger X2 – Digital Service Manual – Dom & Int’l...
  • Page 6 TROUBLESHOOTING GUIDE - DOMESTIC 3240-2* 230VAC 60 HZ. 1 PHASE 3240-2* 230VAC 60 HZ. 3 PHASE 3262-2* 230VAC 60 HZ. 1 PHASE 3262-2* 230VAC 60 HZ. 3 PHASE 3270-2* 230VAC 60 HZ. 1 PHASE 3270-2* 230VAC 60 HZ. 3 PHASE...
  • Page 7 https://appliancetechmanuals.com 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 8 https://appliancetechmanuals.com present, trace wiring back to burner control. If voltage is present, check for gas pressure at the pilot line connection. If no gas pressure is present during ignition, check for any blockage in the assembly. If there are no obstructions, and there is gas supplied to the oven, replace the gas valve.
  • Page 9 https://appliancetechmanuals.com replace the oven control. If the oven control indicates a temperature reading, but the oven will not heat, proceed. Main gas valve Check to see that the switch on the valve is in the “ON” position. Check for 24VAC supplied to main valve. If there is voltage present, check to see that valve is opening.
  • Page 10 https://appliancetechmanuals.com WITH POWER OFF: Check the motor windings as follows: Grey to Black – 114 ohm approx. Grey to Brown – 114 ohm approx. Brown to Black – 228 ohm approx. If any of the above fail, replace motor. Capacitor, conveyor motor Check for shorts or grounds.
  • Page 11 TROUBLESHOOTING GUIDE - INTERNATIONAL 3240-2* 230VAC 50 HZ. 1 PHASE 3262-2* 230VAC 50 HZ. 1 PHASE 3270-2* 230VAC 50 HZ. 1 PHASE *NOTE: Model number ending in TS indicates top belt is split belt Model number ending in SB indicates bottom belt is split belt...
  • Page 12 https://appliancetechmanuals.com damage. Main fan motor Check for main fan operation. If it is not operating, refer to “Oven fan will not run”. Relay, main fan Check for supply voltage to relay terminal #13. If voltage is not present, trace wiring back to power supply.
  • Page 13 https://appliancetechmanuals.com there is voltage, connect a manometer to the pressure tap fitting on the gas valve. If there is voltage to the pilot valve, but there is no gas pressure, replace gas valve. Pilot tube Check for gas pressure at pilot tube. Disconnect pilot tube at burner and connect manometer.
  • Page 14 https://appliancetechmanuals.com thermocouple. The thermocouple should read approx. 11Ω. If these readings are not achieved, replace the thermocouple. If these readings are correct, proceed. Oven control If the thermocouple checks good, but the oven control display indicates that there is a thermocouple failure, replace the oven control.
  • Page 15 https://appliancetechmanuals.com present, trace wiring back to the reversing switch. If voltage is present, check motor windings for opens or shorts. WITH POWER OFF: Check the motor windings as follows: Grey to Black - 114 ohm approx. Grey to Brown - 114 ohm approx. Brown to Black - 228 ohm approx.
  • Page 16 https://appliancetechmanuals.com REMOVAL, INSTALLATION & ADJUSTMENTS IMPINGER X2 SERIES OVENS CAUTION! 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.
  • Page 17 https://appliancetechmanuals.com 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 https://appliancetechmanuals.com 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: Thermocouple - Replacement

    https://appliancetechmanuals.com AIR PRESSURE SWITCH, MAIN FAN MOTOR – REPLACEMENT Shut off power at main breaker. Remove control box cover. Remove cover from air pressure switch. Disconnect wiring from air pressure switch and mark all wiring for reassembly. Remove air switch tube from air pressure switch. Note location of air switch tube, tube must be connected to the “HIGH”...
  • Page 20 https://appliancetechmanuals.com Remove pilot tube from gas valve. Disconnect pipe union 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. Check all gas line fittings for leaks and check system operation.
  • Page 21 https://appliancetechmanuals.com Remove pilot tube from gas valve. Disconnect pipe union at burner and at inlet to main gas valve. Loosen pipe clamp and move piping away from burner. Disconnect wiring from burner and mark wiring for reassembly. Remove four screws from burner end plate and remove burner assembly from burner housing. Remove pilot tube, pilot shield and pilot orifice from spark igniter and remove spark igniter.
  • Page 22 https://appliancetechmanuals.com To initialize a new control, hold the two center buttons in, then turn unit on. Release buttons. A. Select the correct oven model number (e.g. 3240, 3262, or 3270) by toggling the UP or DOWN buttons. When correct model # is selected, press the TEMP button to store. B.

  • Page 23: Control - Programming

    https://appliancetechmanuals.com Each conveyor motor will have a unique address on every Motor Controller PCB. Top Belt or Top Front Belt – Dip Switch 1 will be ON, 2,3,and 4 are OFF. Top Back Belt – Dip Switch 2 will be ON and 1, 3 and 4 are OFF. Bottom Belt or Bottom Front Belt –...
  • Page 24 https://appliancetechmanuals.com IMPINGER X2 OVENS – GENERAL VIEW LETTER PART NUMBER DESCRIPTION 9004984 Finger housing, bottom (3240), #5 left (3262, 3270) 9004984 Finger housing, bottom (3240), #6 right (3262, 3270) 9004983 Finger housing, middle (3240), #3 left (3262, 3270) 9004983 Finger housing, middle (3240), #4 right (3262, 3270) 9004985 Finger housing, top, (3240), #1 left (3262, 3270) 9004985...
  • Page 25 https://appliancetechmanuals.com Impinger X2 – Digital Service Manual – Dom & Int’l...

  • Page 26: Oven Cavity

    https://appliancetechmanuals.com IMPINGER X2 OVENS OVEN CAVITY LETTER 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 27 https://appliancetechmanuals.com Impinger X2 – Digital Service Manual – Dom & Int’l...
  • Page 28 https://appliancetechmanuals.com IMPINGER X2 OVENS - CONTROL BOX LETTER PART NUMBER DESCRIPTION 390080 Drive End, Rear 390081 Drive End, Lid 390082 Cover, Switch 390092 Fuse – 1A 369013 Fuse – 3A (50 Hz Model Only) 390079 Fuse holder 370342 Fuse holder (50 Hz Model Only) 370359 Reversing Switch 390100...
  • Page 29 https://appliancetechmanuals.com Impinger X2 – Digital Service Manual – Dom & Int’l...
  • Page 30 Motor, main fan, 3HP, 3 Phase (50 Hz Model Only) Vendor-35V426Y886G1 Baldor Motor P/N M3161TA – Lincoln Production #4060274 Gates 6931 (V-Belt, 21/32” x 31”) Lincoln Part # 508202EP Baldor Motor P/N 35S270T356 – Lincoln Production #4060276 Baldor Motors: Baldor Motors: Baldor Motors: M3161TA 35V424Q013G1...
  • Page 31 https://appliancetechmanuals.com IMPINGER X2 OVENS - DOOR ASSEMBLY PART NUMBER DESCRIPTION 390139 Sandwich Door Assembly (Single Handle) 390140 Sandwich Door Assembly (Double Handle) 100804622 Old Style Single Sandwich Door 300801140-1 Door, Solid – Model 3240 100801140-1 Door, Solid – Model 3262 200801140-1 Door, Solid –...
  • Page 32 https://appliancetechmanuals.com IMPINGER X2 OVENS BURNER/DRIVE END LETTER PART NUMBER DESCRIPTION 390104 Flange, burner 390048 Heat slinger, 3240 390047 Heat slinger, 3262, 3270 507500EP Bearing, drive end 390097 Motor, burner blower (60 Hz Model Only) 390076 Motor, Burner Blower (50 Hz Model Only) 390105 Valve, Modulation (Nat.) 390132...
  • Page 33 https://appliancetechmanuals.com Impinger X2 – Digital Service Manual – Dom & Int’l...
  • Page 34 https://appliancetechmanuals.com IMPINGER X2 OVENS CONVEYOR, SINGLE LETTER PART NUMBER DESCRIPTION 100403103 Shelf, infeed side 100403101 Shelf, out take side 100403107 Pan stop, zero stop 10000686 Crumb Tray Left 10000687 Crumb Tray Right 369005 Connecting link 100405831 Conveyor belt - complete, 3240 100405810 Conveyor belt - complete, 3262 100405830...
  • Page 35 https://appliancetechmanuals.com Impinger X2 – Digital Service Manual – Dom & Int’l...
  • Page 36 https://appliancetechmanuals.com IMPINGER X2 OVENS CONVEYOR, DUAL BELT LETTER PART NUMBER DESCRIPTION 100403103 Take off shelf, infeed side 390120 Take off shelf, out take side 390119 Pan stop, zero stop 10000686 Crumb Tray Left 10000687 Crumb Tray Right 405849-2EP Connecting link 100405847 Conveyor belt, complete, 3240 405849EP...
  • Page 37 https://appliancetechmanuals.com Impinger X2 – Digital Service Manual – Dom & Int’l...
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  • Page 40 https://appliancetechmanuals.com Impinger X2 – Digital Service Manual – Dom & Int’l...

This manual is also suitable for:

3262-23270-2