Lincoln 1922, 1921 service manual This page intentionally left blank

Models: 1922 1921

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DTF – 1920 Series Service Manual

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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 Above1921 TROUBLESHOOTING GUIDE3 PHASE 3 PHASECheck the Amp draw on each power leg for proper maximum temperature see installation operationstemperature reading but the oven will not heat WITH POWER ON AND THERMOCOUPLECheck the Amp draw on each power leg for proper Air pressure switchSwitch, Infrared heater pressure switch. WITH POWER OFF Check continuityAir pressure switch Switch, Main PowerWITH POWER OFF Check continuity between switch terminals. Replace switch as neededSWITCH, ON/OFF - SWITCH, STANDBY - REPLACEMENT REMOVAL, INSTALLATION AND ADJUSTMENTMOTOR, MAIN FAN - REPLACEMENT MAIN FAN - REPLACEMENTTRANSFORMER, CONTROL - REPLACEMENT CIRCUIT BREAKER, MAIN MOTOR - REPLACEMENTFUSE HOLDER - REPLACEMENT REVERSING SWITCH, CONVEYOR - REPLACEMENTAIR PRESSURE SWITCH - ADJUSTMENT CAPACITOR, CONVEYOR MOTOR - REPLACEMENTCONVEYOR MOTOR - REPLACEMENT AIR PRESSURE SWITCH - REPLACEMENTMAIN CONTROL - REPLACEMENT THERMOSTAT, HI-LIMIT- REPLACEMENTHEATING ELEMENT, MAIN - REPLACEMENT HEATING ELEMENT, INFRARED - 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