Maytag Neptune - Service Manual

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Contents3
General Safety Precautions8
Washer Pre-Installation Requirements9
Uncrating Instructions9
Washer Installation10
Dryer Pre-Installation Considerations11
Checkpoints for Proper Installation12
Location Considerations12
Alcove or Closet Installation12
Manufactured Homes12
Dryer Installation13
Exhausting13
Non-Exhaust Installation (US Only)14
Exhaust Hood Type14
Exhaust Checklist14
Grounding Polarity Checks15
Gas/Electrical Requirements15
Installation Codes15
Three-Wire System Connections16
Four-Wire System Connections16
Specifications: Dryer17
Specifications: Washer18
Washer Controls Overview19
Input Definitions20
Door Lock Switch Input/End-Of-Cycle Signal Input/Pressure Switch Input20
Fabric Selection Inputs/Max Extract Input/Out-Of-Balance Input20
Output Definitions21
Start/Stop Input, Tach Input,Water Temperature Inputs21
Temperature Sensor Input,Timer Inputs21
Door Lock Wax Motor Output, End-Of-Cycle Signal Output21
On Light Output22
Timer Motor Output22
Torque Output22
Water Valve Outputs22
Cycle Sequence Definitions23
Bleach Dispense23
Extra Rinse, Idle23
Light Wash Tumble, Main Wash Tumble and Rinse Tumble23
Miscellaneous24
Prewash Drain/Prewash Tumble24
Door Latch Switch Monitoring24
Door Lock24
Redistribution25
Push-To-Start Relay Operation25
Starting/Stopping the Washer25
Cycle Review26
Main Wash Time/Total Cycle Time26
General Component Exploded View - Washer28
General Component Exploded View - Dryer29
Electrical Components and Testing31
Electrical Test Equipment31
Manometers: How to Use32
Electrical Tests - Washer33
Grounded Components, Voltage Checks33
Wax Motor Check - Door Lock Mechanism33
Water Valve Test34
Timer and Console Switches34
Timer Input Charts35
Machine Control36
Drive Motor40
Motor Control Board40
Motor and Motor Control Test41
Motor Phase Test41
Motor Windings Check43
Tachometer Circuit Diagnostics43
Unbalance Control System44
Tub Displacement Switch45
Strut Displacement Switch46
Inertial Unbalance Switch/Lower Weight Unbalance Switch46
Cabinet Vibration Sensor46
Door Switch48
Drive Motor Test48
Motor Test Cord49
Motor Switch Test49
Checking Heater/Gas Valve-Motor49
Troubleshooting53
Washer Troubleshooting53
Troubleshooting Flow Charts56
Fills and will Not Tumble56
Washer Overfills57
Washer will Not Spin58
Machine Stalls During Spin Cycle60
Maximum Spin Speed Is Not Reached61
Wash Cycle Takes Longer than Normal62
Suds Coming out of Door62
Washer will Not Start63
Motor Phase Test Troubleshooting64
Timer Template65
Dryer Troubleshooting - Fundamental Checks67
Direct Ignition System69
Control Console Area and Components71
Access Panel/Cover71
Console72
Push-To-Start Switches72
Dryer Timer Removal73
Washer Timer Removal73
Washer Cabinet Assembly75
Door Assembly and Hinges75
Front Panel76
Door Latch Loop76
Cabinet Vibration Absorber76
Front Shroud Assembly77
Shroud Support Assembly78
Door Lock Mechanism79
Cabinet Assembly with Rear Access Panel80
Water Carrying Components81
Water Valve81
Water Level Pressure Switch82
Air Dome Hose82
Dispenser Assembly83
Front Water Flume Injector84
Pump Assembly85
Cleaning the Pump85
Installation: Pump Accessory Kit85
Drain Hose86
Outer Tub and Spinner Assembly87
Baffles87
Door Boot87
Outer Tub Cover88
Spin Basket Assembly with Balance Ring89
Drive Pulley90
Spinner Tub Support91
Seal System92
Outer Tub Assembly93
Bearings93
Counter Weights93
Strut Assembly94
Strut Displacement Switch, Inertial Unbalance Switch94
Tub Displacement Switch, Lower Weight Unbalance Switch95
Motor Drive System (Washer)97
Drive Belt/Motor97
Motor Control Board Removal98
Dryer Cabinet Assembly Components99
Door Assembly and Hinges Removal, Disassembly99
Front Panel Removal99
Top Cover Removal100
Machine Control Board Removal101
Dryer Tumbler and Bulkheads103
Shroud and Tumbler Front Assembly Removal, Reinstallation103
Lint Filter104
Bearing and Pads Removal and Replacement104
Tumbler Front Seal Removal104
Tumbler Front Seal Reinstall105
Tumbler and Belt Removal105
Installing Drive Belt106
Baffles Removal106
Tumbler Back Assembly Removal106
Tumbler Back Seal Removal, Reinstall107
Roller and Bearing Assembly107
Roller and Bearing Assembly Removal108
Dryer Blower and Motor Drive System109
Cycling Thermostats Removal109
Hi-Limit Thermostat Removal109
Thermal Fuses109
Thermal Fuses Removal110
Checking the Thermal Fuse110
Seal for Blower110
Cover for Blower - Removal110
Installing Blower Cover111
Blower Wheel Removal111
Exhaust Duct Pipe112
Blower and Motor Assembly Removal112
Idler Arm Assembly Removal113
Motor Switch Replacement/Removal113
Idler Arm Assembly Disassembly114
Dryer Heating Components115
Gas Valve Assembly115
Function of Gas Valve System115
Radiant Sensor Contact Closed116
Gas Conversions117
Air Shutter Adjustment117
Gas Chart117
Coil Replacement117
Igniter, Intel Duct118
Gas Valve Removal118
Orifice Removal118
Combustion Cone Removal118
Heating Element and Related Components119
Heater Enclosure119
Wiring Information - Gas Models121
Wiring Information - Electric Models126

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