Manuals / Lincoln / Kitchen Appliance / Convection Oven

Lincoln 3270-2 service manual Lincoln Foodservice Products, LLC, United States of America Phone

Models: 3240-2 3270-2 3262-2

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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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Lincoln 3270-2 service manual Lincoln Foodservice Products, LLC, North Hadley Road Fort Wayne, Indiana, X2svcmanual, Model

Contents

Technical Service Hot Line Lincoln Foodservice Products, LLC1111 North Hadley Road Fort Wayne, Indiana United States of America PhoneSEQUENCE OF OPERATION IMPINGER X2 OVENS 3240-2 SEQUENCE OF OPERATION IMPINGER X2 OVENSMODEL 3240-2, 3262-2, 3270-260 HZ SCHEMATIC DIAGRAMSCHEMATIC DIAGRAM MODEL 3240-2, 3262-2, 3270-250 HZTROUBLESHOOTING GUIDE Switch, burner Check for 120VAC to the switch, if no voltage ispresent, trace wiring back to the oven fan switch Air pressure switchElectronic temperature obstructions also check for frayed or broken wirecontrol to maximum temperature and check for WITH POWER ON AND THERMOCOUPLE LEADSReplace temperature regulation valve as needed Temperature regulation valvePower supply incoming power, call power co. if neededConveyor speed varying or Repair or replace conveyor components as neededCheck for a steady 120VAC supply to the conveyor intermittent3240-2 TROUBLESHOOTING GUIDEreplace hi-limitthermostat Thermostat, hi-limitCheck for supply voltage to the burner control at burner control. If voltage is present, proceedsensor wire and connections amps in series between the flame sensor wireproper polarity of the power supply Check for supply voltage at terminal #7 on burnerIf voltage is not present, proceed supply voltage to terminal #20 on the electronicpressure, replace the valve If supply voltage is present on the electronicCheck for a steady supply voltage to the conveyor Check for supply voltage to conveyor control atswitch as needed voltage is present, trace wiring back to conveyorREMOVAL, INSTALLATION & ADJUSTMENTS IMPINGER X2 SERIES OVENS9.Remove burner tube bracket and Burner tube TIMER, 30 MINUTE COOL DOWN - REPLACEMENT RELAY, MAIN FAN, - REPLACEMENTFUSE HOLDER - REPLACEMENT SWITCH, ON/OFF - REPLACEMENTAIR PRESSURE SWITCH - REPLACEMENT BURNER CONTROL - REPLACEMENTAIR PRESSURE SWITCH - ADJUSTMENT 3.Seal adjustment screw with nail polishTHERMOSTAT, HI-LIMIT- REPLACEMENT HAIRPIN SWITCH THERMOCOUPLE - REPLACEMENTTEMPERATURE REGULATION VALVE - REPLACEMENT GAS VALVE - REPLACEMENTPILOT ORIFICE - REPLACEMENT MAIN BURNER ORIFICE - REPLACEMENTSPARK IGNITER - REPLACEMENT CONVEYOR MOTOR - REPLACEMENTCONVEYOR CONTROL - REPLACEMENT HALL EFFECT SENSOR - REPLACEMENT1.Shut off power at main breaker 1.Shut off power at main breakerDRIVE CHAMBERCONSTANT CONSTANTDisplay minimum setting value is in seconds Time Mode Setting MM SSDisplay maximum setting value is in seconds Display setting at reference RPM, parameter21960 Display maximum setting value is in seconds 20135 Display minimum setting value is in seconds30135 Display setting at reference RPM, parameter 8.Remove control box cover1933 15.Remove control box cover2997 3383This page intentionally left blank GENERAL VIEW IMPINGER X2 OVENSPage IMPINGER X2 OVENS OVEN CAVITYPage IMPINGER X2 OVENS CONTROL BOXPage IMPINGER X2 OVENS BURNER/DRIVE ENDPage IMPINGER X2 OVENS CONVEYOR, SINGLEPage IMPINGER X2 OVENS CONVEYOR, DUAL BELT