Table of Contents
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Service
This manual is to be used by qualified appliance
technicians only. Maytag does not assume any
responsibility for property damage or personal
injury for improper service procedures done by
an unqualified person.
Commercial
Top Load
Washer
This Base Manual covers general information
Refer to individual Technical Sheet
for information on specific models
This manual includes, but is
not limited to the following:
MAT12PDA
MAT12PDB
MAT12PDC
MAT12PDD
MAT12PDS
MAT12PRA
MAT12PRB
MAT12PRD
MAT12PRS
MAT12PSA
MAT12PSB
MAT12PSD
MAT12CSA
MAT12CSD
MAT13MNA
MAT13MND
MAT13PNA
MAT13PND
16022842
Revision 0
December 2003
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Table of Contents
Troubleshooting
Related Manuals for Maytag MAT12PDA
Summary of Contents for Maytag MAT12PDA
- Page 1 Service This manual is to be used by qualified appliance technicians only. Maytag does not assume any responsibility for property damage or personal injury for improper service procedures done by an unqualified person. Commercial This Base Manual covers general information...
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Page 2: Important Information
Important Notices for Servicers and Consumers Maytag will not be responsible for personal injury or property damage from improper service procedures. Pride and workmanship go into every product to provide our customers with quality products. It is possible, however, that during its lifetime a product may require service. -
Page 3: Table Of Contents
Lid Switch Assembly (Prior series 15) ...... 18 Drive Pulley and Rotor Bearing ......... 28 Lid Switch Assembly (After series 15) ...... 18 Pump ................ 29 Unbalance Lever and Plunger Assembly ....19 Drive Motor and Motor Base ........29 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 4: Important Safety Information
Disconnect the power do not understand. cord by grasping the plug, not the cord. • Install the washer according to the Installation Instructions. All connections for water, drain, electrical power and grounding must comply with 16022842 Rev. 0 ©2003 Maytag Appliances Company... - Page 5 NFPA 70, or the Canadian Electrical Code, CSA This Service Manual describes the operation, C22.1, and such local regulations as might apply. It is disassembly, troubleshooting, and repair of Maytag ® the customer’s responsibility to have the wiring and washing machines. It is intended for use by authorized fuses checked by a qualified electrician to make sure technicians who troubleshoot and repair these units.
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Page 6: Grounding Instructions
This unit should be plugged into a separate 60 hertz circuit with the electrical rating as shown in the appropriate drawing. Models operate with a supply voltage of 120 Volts. 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 7: General Information
Purchase replacement parts and accessories over the phone. To order accessories for your product call: Date of purchase: ___________________ • or Maytag product call your distributor or visit the Web Site at www.maytagcommerciallaundry.com. Distributor name and address: ___________________ Only factory approved replacement parts should be used. -
Page 8: How It Works
The center (outlet area) on the bottom side of the diaphragm is at atmospheric pressure so the valve remains closed. It 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 9: Drive Motor
AGITATION When the pulley is turning counterclockwise (viewed from the bottom) it moves down the helical drive shaft. As it 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 10: Tools For Servicing
Rubber Adhesive (yellow) 204999 Silicone Grease RTV Sealant Maytag ¼” nut driver or socket 5/16” nut driver or socket 3/8” nut driver or socket 7/16” socket ½” socket #2 “stubby” Phillips screwdriver #2 Pozi-Drive screwdriver 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 11: Troubleshooting Procedures
Plugged inlet screens in fill hoses and water valve Inadequate water pressure (should be 30 – 120 p.s.i.) 12. Water Siphoning Out Of Washer Drain hose not 36” from floor Raise drain hose to 365” Install siphon break 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 12: Drive Lug Adjustment
4” between the inside surfaces of the pump belt before movement of the motor is felt. 4. If necessary, tilt washer and loosen screws holding pump to base frame and position pump to attain the proper 1/4” dimension. 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 13: Electrical Troubleshooting
Examples would include drive motor, timer and solenoid coils. 2. Switches - Devices that control the supply of electricity to the load or loads in a circuit. Examples include lid switches, timer contacts selector switch and relay contacts. 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 14: Component Testing
All four leads of the test cord are required to test the washer drive motor. The following drawing shows installation of the test cord on washer drive motor. Reversing the motor from agitation to spin is accomplished by reversing the test cord wires B and C. 16022842 Rev. 0 ©2003 Maytag Appliances Company... - Page 15 Wiring Harness Connections Readings Run Winding Red to White or Black Start Winding Yellow to Blue Over-load White to Black Note: Export Motors-run windings 4.9 , start windings 20.5 , over-load 0 . 16022842 Rev. 0 ©2003 Maytag Appliances Company...
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Page 16: Disassembly Procedures
5. Disconnect touch pad ribbon. Grasp touch pad “tail” between your thumbs and forefinger. Ribbon can be Note: Extra wire (slack) can be fed from the left. pulled out of receptacle. 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 17: Touch Pad
3. Pull selector switch knob off switch shaft. 2. Remove Control Panel. 4. Remove two screws holding switch to control panel. 3. Disconnect wires from Motor Relay. 4. Remove screw securing relay to Control Panel. 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 18: Reversing Motor Relay
Lid Switch Assembly (Prior series 15) 1. Disconnect power supply to unit. 2. Remove Control Panel. 3. Remove wires attached to switches and fuse. 4. Remove adjusting screw securing lid switch bracket to the top cover. 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 19: Unbalance Lever And Plunger Assembly
3. Remove two screws securing the plunger assembly to the Top Cover. Plunger Assembly 5. Disconnect rubber air tube secured to the cabinet. 6. Remove the air dome hose through the rear access Unbalance opening. Lever 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 20: Water Valve
4. Remove Coin Drop Acceptor. 5. Remove screw securing Coin Sensor to the rear of the Coin Drop Acceptor. 3. Remove coin box. 4. Remove timer or disconnect wires to Service and Vault Switches. 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 21: Coin Sensor
4. Push the lid down against the hinge ball on the right side and with the right thumb. Press down sharply to engaged the lid with the hinge ball on the right side. 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 22: Front Panel
2. Remove Front Panel. 3. Remove two top cover bolts and tilt Top Cover back. Note: Hold lid closed or tape lid to the Top Cover to prevent it from striking the Control Panel. 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 23: Agitator
Inner Tub back. This visible portion of the tub cover should not 1. Disconnect power supply to unit. exceed 1/4”. 2. Remove Front Panel. 3. Raise Top Cover. 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 24: Mounting Stem
2. Before inserting the set screw into the Mounting stem, 4. Apply pressure on the bearing pushing it from the tub. lubricate the hole in the mounting stem with Maytag This can be done by standing on the bearing. grease. Be sure to tighten the screw securely. -
Page 25: Transmission
Cut Note: Later version used the Plastic Keeper and Center around the cover to separate silicon sealer used Shaft collar as a gasket. 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 26: Lip Seal
Washer. 2. Press new Lip Seal over the Seal-Protector. The Seal- Protector is designed to protect the seal area of the Lip Seal from rolling over or tearing as the seal is 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 27: Damper Assembly
5. Tip washer back and lay 4” X 4” wood block under drive pulley. 3. Remove Bolt and Retainer Clip in Damper holding the brake package. Note: Bolt and Retainer Clip must be removed before the brake package. 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 28: Belts
1. Disconnect power supply to unit. 2. Remove front Panel. 3. Tilt machine backwards. 4. Roll Pump Belt than Drive Belt off pulleys. Note: When the drive Pulley is replaced, the Drive Lug must be properly positioned. 16022842 Rev. 0 ©2003 Maytag Appliances Company... -
Page 29: Pump
1. Disconnect power supply to unit. sections and insert wrench through the slots into 2. Remove Front Panel. lower section. 10. Lift Motor Base off Motor. Note: With Motor removed, carriage and slides are accessible for service. 16022842 Rev. 0 ©2003 Maytag Appliances Company...