Sigma 1433-000-E Thermocouple Measurment Temperature Millvolts Approx, Main Orifice Replacement

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THERMOCOUPLE MEASURMENT

TEMPERATURE

D.C. MILLVOLTS (APPROX.)

200°

2.8

250°

4.0

300°

5.1

350°

6.0

400°

7.1

450°

8.2

500°

9.3

550°

10.4

600°

11.5

CONTROL TRANSFORMER - REPLACEMENT

1.Shut power off at main breaker.

2.Remove control panel top and front cover.

3.Remove two (2) wires on primary side, note color and location.

4.Remove two (2) wires on secondary side, note color and location.

5.Remove two (2) screws from transformer base and replace assembly.

6.Reinstall in reverse order and check system operation.

CONVEYOR DRIVE MOTOR - REPLACEMENT

1.Shut power off at main breaker.

2.Remove control panel top and front cover.

3.Loosen set screw on conveyor drive sprocket and slide sprocket off shaft.

4.Disconnect motor plug.

5.Remove four (4) screws from motor frame, on control box side, and remove motor assembly.

6.Reassemble in reverse order making sure to align chain sprockets and adjust motor for proper chain tension (1/2" SAG).

CAPACITOR, CONVEYOR MOTOR – REPLACEMENT

1.Shut off power at main breaker. 2.Remove control box cover and front panel.

3.Discharge capacitor before removing wires. Mark wires for reassembly. 4.Remove mounting screw and remove capacitor.

5.eassemble in reverse order and check system operation.

REVERSING SWITCH – REPLACEMENT

1.Shut off power at main breaker.

2.Remove control box cover and front panel.

3.Disconnect wires from reversing switch and mark for reassembly.

4.Remove mounting nut and remove reversing switch.

5.Reassemble in reverse order and check system operation.

REVERSING CONVEYOR DIRECTION

All ovens leaving our plant are wired to operate conveyors from left to right. To reverse conveyor direction, use the following procedure.

1.Shut off power at oven switch.

2.Set conveyor reversing switch in the other position.

3.Turn oven “on” and check for proper operation.

MAIN ORIFICE - REPLACEMENT

1.Shut off power at main breaker.

2.Remove control panel top and front panel.

3.Remove gas control valve assy.

4.Remove two (2) nuts from burner orifice bracket.

5.Disconnect pipe union.

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Impinger I – Adv Digital – Gas Service Manual – International

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Contents Impinger Conveyor Ovens Power Supply Temperature ControlNAT. GAS LP GASSchematic Diagram Serial Number N28654 to N31348 Serial Number N31349 and Above Symptom Possible Cause Evaluation With Power OFF Remove 3 prong plug on gas Not stay on, check the reset button for the ignition Page With Power on and Thermocouple Belt JAMSensor sensor is located in the conveyor motor FAN, Main Replacement CAPACITOR, Motor ReplacementCooling FAN, Control BOX Replacement Impinger Advantage SeriesTHERMOSTAT, Cooling FAN Replacement Burner Blower Motor ReplacementTo Remove the Blower Wheel for Periodic Cleaning Burner AssemblyTemperature Regulation Valve Replacement SWITCH, Burner Reset ReplacementTHERMOSTAT, Oven Cavity HI-LIMIT Replacement Burner Ignitor ReplacementBurner Alarm Replacement Spark Generator ReplacementThermocouple Measurment Temperature Millvolts Approx Control Transformer ReplacementConveyor Drive Motor Replacement CAPACITOR, Conveyor Motor ReplacementPilot Orifice Replacement ON-OFF Switch ReplacementOven Control Replacement Fuse Holder ReplacementGeneral View Advantage Series Letter Part Number DescriptionPage Control BOX 1456,1457,1433-000-E, 1434-000-EPage Oven Back GAS and ElectricPage Conveyor 1450 Series Page This page intentionally left blank This page intentionally left blank

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