Manuals / Sigma / Kitchen Appliance / Oven

Sigma 1433-000-E, 1456, 1457, 1434-000-E service manual CONVEYOR 1450 SERIES

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

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CONVEYOR 1450 SERIES

LETTER	PART NUMBER	DESCRIPTION
	369830	Complete conveyor assembly
A	369816	Conveyor belt, complete (30 inch wide belt)
	369163	Conveyor belt, complete (32 inch wide belt)
	370092	Conveyor belt, 1 foot section (30 inch wide belt)
	369362	Conveyor belt, 1 foot section (32 inch wide belt)
B	369825	Retaining ring
C	369813	Conveyor bearing block
D	369314	Roll, conveyor, notched
E	369812	Conveyor idler shaft
F	369160	Conveyor pan stop
G	369814	Connecting link (30 inch wide belt)
	369005	Connecting link (32 inch wide belt)
H	369811	Conveyor drive shaft
J	369161	Roller chain sprocket
K	369806	Crumb pan
L	370050	Conveyor frame
M	369162	Drive chain

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

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Sigma 1433-000-E, 1456, 1457, 1434-000-E service manual CONVEYOR 1450 SERIES

Contents

Lincoln Foodservice Products, LLC Technical Service Hot Line1111 North Hadley Road Fort Wayne, Indiana United States of America PhoneSEQUENCE 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 NOTE MEASUREMENT MUST BETHERMOSTAT, 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 OVEN BACK ADVANTAGE SERIESGAS AND ELECTRIC Page CONVEYOR 1450 SERIES Page This page intentionally left blank This page intentionally left blank