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iii
© 1997 Whirlpool Corporation
Cooking Products Service Manual
Original March, 1997 4322167
Page iii
Page
Important Safety Information ...............................................................................................................................v
Theory Of Operation ......................................................................................................................................... 1-1
Component Access ........................................................................................................................................... 2-1
Component Sections .................................................................................................................................. 2-1
General ...............................................................................................................................................................
2-2
Removing The Microwave Oven & Cabinet ............................................................................................ 2-2
The Protection Control System .......................................................................................................................
2-4
Removing The Oven Door ......................................................................................................................... 2-4
Removing The Oven Door Components.................................................................................................. 2-5
Removing The Control Panel .................................................................................................................... 2-6
Removing The Line Fuse........................................................................................................................... 2-7
Removing/Adjusting The Interlock Switches .......................................................................................... 2-8
Removing The Base Thermal Fuse........................................................................................................ 2-10
Removing The Magnetron Thermal Fuse.............................................................................................. 2-11
Removing The Convection Thermistor .................................................................................................. 2-12
Removing The Cavity Thermal Fuse ..................................................................................................... 2-14
The Operating Control System......................................................................................................................
2-15
Removing The Oven Light Socket.......................................................................................................... 2-15
Removing The Control Circuit Board & The Turntable Indicator Circuit Board .............................. 2-16
Removing The Fan Motor ........................................................................................................................ 2-17
Removing The Power Cord ..................................................................................................................... 2-18
Removing The Blower Motor Capacitor................................................................................................. 2-19
Removing The Convection Heating Element ........................................................................................ 2-20
Removing The Gas Sensor ..................................................................................................................... 2-22
Removing The Stirrer Motor ....................................................................................................................2-23
Removing The Turntable Motor ..............................................................................................................2-24
Removing The Cooktop Light Sockets .................................................................................................. 2-25
The High Voltage Components .....................................................................................................................
2-26
Accessing The Components....................................................................................................................2-26
Removing The Magnetron ....................................................................................................................... 2-27
Removing The High Voltage Rectifier And The High Voltage Capacitor ......................................... 2-28
Removing The High Voltage Transformer............................................................................................. 2-29
TABLE OF CONTENTS