Maytag Performa PYE2000AY Series Service Manual page 6

SECTION 5. BLOWER AND DRIVE MODULE .............................................................. 5-1
BLOWER ASSEMBLY ....................................................................................................... 5-2
COVER ASSEMBLY .......................................................................................................... 5-2
BLOWER WHEEL ............................................................................................................. 5-3
HOUSING ASSEMBLY ....................................................................................................... 5-3
IDLER ASSEMBLY ............................................................................................................ 5-4
MOTOR AND PULLEY ASSEMBLY ................................................................................... 5-4
SECTION 6. HEAT SOURCE AND RELATED PARTS ................................................... 6-1
HEATER ASSEMBLY ........................................................................................................ 6-2
CONTROL AND BURNER ASSEMBLY .............................................................................. 6-3
SILICON CARBIDE IGNITION SYSTEM ............................................................................. 6-4
Gas Control Valve ......................................................................................................... 6-5
Holding Coil .................................................................................................................. 6-5
Booster Coil ................................................................................................................. 6-5
Second Coil .................................................................................................................. 6-5
Flame Sensor ............................................................................................................... 6-5
Silicon Carbide Igniter .................................................................................................. 6-6
CIRCUIT OPERATION ....................................................................................................... 6-6
Normal Ignition - Start .................................................................................................... 6-6
Normal Ignition .............................................................................................................. 6-6
SAFETY FEATURES ......................................................................................................... 6-7
Power Interruption ......................................................................................................... 6-7
Ignition Failure .............................................................................................................. 6-7
Flame Failure ............................................................................................................... 6-8
PART REMOVAL AND REPLACEMENT ........................................................................... 6-8
BULKHEAD ASSEMBLY ................................................................................................... 6-9
Inlet Duct (Gas Model) or Heater Housing (Electric) ..................................................... 6-10
High Limit Thermostat ................................................................................................. 6-10
Thermal Fuse .............................................................................................................. 6-10
Cylinder Light Lens ..................................................................................................... 6-10
Terminal Block (Electric Model) ................................................................................... 6-10
Rear Seal ................................................................................................................... 6-10
Rear Support Rollers .................................................................................................. 6-10
BULKHEAD ASSEMBLY REMOVAL.......................................................................... 6-10
SECTION 7. BACKGUARD ASSEMBLY ........................................................................ 7-1
SECTION 8. ELECTRICAL COMPONENTS AND TESTING ......................................... 8-1
TIMER ................................................................................................................................ 8-1
Resistor (Electric Models Only) ..................................................................................... 8-1
Timer Access and/or Removal ...................................................................................... 8-1
Timer Sequence Chart .................................................................................................. 8-1
Contact Functions ......................................................................................................... 8-1
WRINKLE RELEASE SWITCH .......................................................................................... 8-2
TEMPERATURE SELECTOR SWITCH ............................................................................. 8-2
16023116
© 1996 Maytag Corporation
iv
CONTENTS