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Chapter 7: The Convection Circuit
Convection Circuit Components 47
Convection Circuit/Blower Motor Parts 48
Convection Circuit Troubleshooting 49
Motor Winding Resistances Table 50
Chapter 8: IR Element and Catalytic Converter
Components 51
IR Element and Catalyst Removal 51
Removing the IR Element 51
Removing & Installing the Catalytic Converter 52
Installing a New IR Element 52
IR Element and Catalytic Converter Parts 52
Chapter 9: Schematics and Schematic Components
Schematic Parts 53
Line Voltage Components 53
Low Voltage Components 53
Wire Harness Replacement P/N’s 53
I/O Control Board Item Identification and Test Point Locations 53
Schematic - I/O Board 54
Oven Schematics 55 - 63
Chapter 10: Service Parts and Illustrations
Figure 7: NGC (Tornado) Control System 65
Figure 17: Control System Panel Enclosure and Parts 66
Figure 18: Monitor Circuit - Shown in Failsafe State 67
Figure 20: Microwave System Parts 67
Figure 21: Microwave System Parts 68
Figure 22: Wave Guide Cover/Wave Guide Removal and Replacement 68
Figure 24 & 25: High Voltage Diode and Magnetron 69
Figure 26: Oven Door Removal and Parts 69
Figure 29: Primary and Secondary Adjustment and Parts - Old Switch Setup 70
Figure 30: Door Switch Assembly and Parts 70
Figure 31: Motor Switch Adjustment and Assembly - Old Switch Setup 71
Figure 32: Primary Interlock Adjustment and Parts - New Switch Setup 71
Figure 33 & 34: Secondary and Monitor Adj. and Assy. - New Switch Setup 72
Figure 35: Oven Door Assembly 73
Figure 37: Convection Circuit Block Diagram 74
Figure 38: Convection Circuit Assembly and Parts 75
Figure 39: IR Element and Catalytic Converter Parts and Assembly 76
Figure 46: Covers and Miscellaneous Parts - Non-SBK Ovens 77
Figure 47: Covers and Miscellaneous Parts - SBK Ovens 78
Chapter 11: Comprehensive Part List
Comprehensive Part List 79