Lincoln 1921, 1922 service manual Control Box View, Model

Models: 1922 1921

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Page 18

		CONTROL BOX VIEW
		MODEL 1921, 1922

A	369432		Switch, on/off
B	370456		Label, control panel
C	370457		Front panel
D	369460		Spring, compression
E	369413		Drive key
F	369410		Coupling sleeve
G	370106		Washer
H	350259		Screw
I	370458		Heating element, Infrared – 208VAC
	370460		Heating element, Infrared – 240VAC
J	370462		Motor, conveyor
K	370383		Capacitor, conveyor motor
L	369430		Air pressure switch
M	370463		Top, control box
N	370464		Control, main and display
O	370465		Cover, rear control box

18	DTF – 1920 Series Service Manual

Image 18

Contents

MODEL 1920 SERIES DUAL TECHNOLOGY FINISHERDUAL TECHNOLOGY FINISHER SEQUENCE OF OPERATIONSCHEMATIC DIAGRAM MODEL 1921 S/N 8001207 and BelowMODEL 1922 S/N 8001207 and Below SCHEMATIC DIAGRAMMODEL 1921 / 1922 S/N 8001208 and Above SCHEMATIC DIAGRAM3 PHASE TROUBLESHOOTING GUIDE3 PHASE 1921WITH POWER ON AND THERMOCOUPLE maximum temperature see installation operationstemperature reading but the oven will not heat Check the Amp draw on each power leg for properpressure switch. WITH POWER OFF Check continuity Air pressure switchSwitch, Infrared heater Check the Amp draw on each power leg for properterminals. Replace switch as needed Switch, Main PowerWITH POWER OFF Check continuity between switch Air pressure switchMAIN FAN - REPLACEMENT REMOVAL, INSTALLATION AND ADJUSTMENTMOTOR, MAIN FAN - REPLACEMENT SWITCH, ON/OFF - SWITCH, STANDBY - REPLACEMENTREVERSING SWITCH, CONVEYOR - REPLACEMENT CIRCUIT BREAKER, MAIN MOTOR - REPLACEMENTFUSE HOLDER - REPLACEMENT TRANSFORMER, CONTROL - REPLACEMENTAIR PRESSURE SWITCH - REPLACEMENT CAPACITOR, CONVEYOR MOTOR - REPLACEMENTCONVEYOR MOTOR - REPLACEMENT AIR PRESSURE SWITCH - ADJUSTMENTHEATING ELEMENT, INFRARED - REPLACEMENT THERMOSTAT, HI-LIMIT- REPLACEMENTHEATING ELEMENT, MAIN - REPLACEMENT MAIN CONTROL - REPLACEMENTPage This page intentionally left blank GENERAL VIEW MODELPage CONTROL BOX VIEW MODELPage REAR VIEW MODELPage CONVEYOR MODEL 1921, S/N 8001199 and Below CONVEYOR MODEL 1921, S/N 8001200 and Above