Lincoln service manual MODEL 1921 / 1922 S/N 8001208 and Above, Schematic Diagram

Models: 1922 1921

1 24

Page 5

SCHEMATIC DIAGRAM

DTF – 1920 Series Service Manual

Image 5

Contents

DUAL TECHNOLOGY FINISHER MODEL 1920 SERIESSEQUENCE OF OPERATION DUAL TECHNOLOGY FINISHERMODEL 1921 S/N 8001207 and Below SCHEMATIC DIAGRAMSCHEMATIC DIAGRAM MODEL 1922 S/N 8001207 and BelowSCHEMATIC DIAGRAM MODEL 1921 / 1922 S/N 8001208 and Above3 PHASE TROUBLESHOOTING GUIDE3 PHASE 1921temperature reading but the oven will not heat maximum temperature see installation operationsWITH POWER ON AND THERMOCOUPLE Check the Amp draw on each power leg for properSwitch, Infrared heater Air pressure switchpressure switch. WITH POWER OFF Check continuity Check the Amp draw on each power leg for properWITH POWER OFF Check continuity between switch Switch, Main Powerterminals. Replace switch as needed Air pressure switchMOTOR, MAIN FAN - REPLACEMENT REMOVAL, INSTALLATION AND ADJUSTMENTMAIN FAN - REPLACEMENT SWITCH, ON/OFF - SWITCH, STANDBY - REPLACEMENTFUSE HOLDER - REPLACEMENT CIRCUIT BREAKER, MAIN MOTOR - REPLACEMENTREVERSING SWITCH, CONVEYOR - REPLACEMENT TRANSFORMER, CONTROL - REPLACEMENTCONVEYOR MOTOR - REPLACEMENT CAPACITOR, CONVEYOR MOTOR - REPLACEMENTAIR PRESSURE SWITCH - REPLACEMENT AIR PRESSURE SWITCH - ADJUSTMENTHEATING ELEMENT, MAIN - REPLACEMENT THERMOSTAT, HI-LIMIT- REPLACEMENTHEATING ELEMENT, INFRARED - REPLACEMENT MAIN CONTROL - REPLACEMENTPage This page intentionally left blank MODEL GENERAL VIEWPage MODEL CONTROL BOX VIEWPage MODEL REAR VIEWPage CONVEYOR MODEL 1921, S/N 8001199 and Below CONVEYOR MODEL 1921, S/N 8001200 and Above