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Lincoln 1457, 1434-000-E, 1433-000-E, 1456 Schematic Diagram Model, SERIAL NUMBER N28654 TO N31348

Models: 1456 1433-000-E 1434-000-E 1457

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SCHEMATIC DIAGRAM

MODEL 1456, 1457

SERIAL NUMBER N28654 TO N31348

4	Impinger I – Adv Digital – Gas Service Manual – International

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Lincoln 1457, 1434-000-E, 1433-000-E, 1456 service manual Schematic Diagram Model, SERIAL NUMBER N28654 TO N31348

Contents

Lincoln Foodservice Products, LLC 1111 North Hadley Road Fort Wayne, IndianaUnited States of America Phone U.S. Fax 888 790-8193 Int’l FaxSEQUENCE OF OPERATION IMPINGER ADVANTAGE SCHEMATIC DIAGRAM SCHEMATIC DIAGRAM MODEL SERIAL NUMBER N28654 TO N31348SERIAL NUMBER N31349 AND ABOVE TROUBLESHOOTING GUIDE WITH POWER OFF Remove 3 prong plug on gas Burner reset switchWITH POWER OFF Turn blower wheel to check for pressure switchS/N N31349 and AboveA pre-purgetime of 30 to 60 seconds occurs after Replace components as neededsensor wire and connections maximum temperature see installation operationsmanual for temperature adjustment. With the oven control at maximum temperature, check for supplyWITH POWER ON AND THERMOCOUPLE to the temperature regulation valve, proceedTemperature regulation valve before testingthe motor connector. Frequency reading should be sensor sensor is located in the conveyor motorproceed oven controlREMOVAL, INSTALLATION & ADJUSTMENTS IMPINGER ADVANTAGE SERIESFAN SPIDER FAN HUB CONE 1 1/2 INCHTHERMOSTAT, COOLING FAN - REPLACEMENT 3.Remove lead wires and mark for reassemblyBURNER BLOWER MOTOR - REPLACEMENT 3.Unplug motor connector6.Remove pilot tube assembly from gas valve TEMPERATURE REGULATION VALVE - REPLACEMENT7.Remove temperature regulation valve assembly 8.Remove piping from temperature regulation valveTHERMOSTAT, OVEN CAVITY HI-LIMIT- REPLACEMENT BURNER IGNITOR - REPLACEMENT3.Remove burner assembly. SEE BURNER ASSY BURNER ALARM - REPLACEMENTTEMPERATURE CONTROL TRANSFORMER - REPLACEMENT1.Shut power off at main breaker CONVEYOR DRIVE MOTOR - REPLACEMENT6.Remove assembly and replace main orifice PILOT ORIFICE - REPLACEMENT3.Remove burner assembly See Burner Assembly ON-OFFSWITCH - REPLACEMENTGENERAL VIEW ADVANTAGE SERIES Page CONTROL BOX 1456,1457,1433-000-E, 1434-000-E Page ADVANTAGE SERIES OVEN BACKGAS AND ELECTRIC Page CONVEYOR 1450 SERIES Page This page intentionally left blank This page intentionally left blank Lincoln Foodservice Products, LLC 1111 North Hadley Road Fort Wayne, IndianaUnited States of America Telephone U.S. Facsimile 888 Int’l Facsimile