GE WDSS4120 Technical Service Manual
GE WDSS4120 Technical Service Manual

GE WDSS4120 Technical Service Manual

Top load washer
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GE Consumer Home Services Training
TECHNICAL SERVICE GUIDE
Top Load Washer
WDSS4120
PUB # 31-9081 07/01

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  • Page 1 GE Consumer Home Services Training TECHNICAL SERVICE GUIDE Top Load Washer WDSS4120 PUB # 31-9081 07/01...
  • Page 2 If grounding wires, screws, straps, clips, nuts, or washers used to complete a path to ground are removed for service, they must be returned to their original position and properly fastened. GE Consumer Home Services Training Technical Service Guide Copyright © 2001 All rights reserved.
  • Page 3: Table Of Contents

    Table of Contents Important Safety Information ......... 1 General Information Dispensers ............3 Moving and Storage ........... 4 Speciality Tools ..........5 General Operation Definition ......6 Technical Information ..........7 Component Testing Information ......8 Internal Motor Diagram and Schematic ....10 Wiring Diagram and Schematic ......
  • Page 4: Important Safety Information

    Important Safety Information do not use an extension cord or an adapter to WARNING connect the washer to the electrical power To reduce the risk of fire, electric shock, serious source. injury or death to persons when using your • Use your washer only for its intended purpose, washer, follow these basic precautions: washing clothes.
  • Page 5: Grounding Instructions

    Important Safety Information • Do not operate the washer with missing or broken Explanation parts. Polarization–This means that the larger slot must be neutral and the small slot must be hot (live). • Do not bypass any safety devices. Mispolarized–The outlet is miswired so that the larger •...
  • Page 6: Dispensers

    Dispensers Bleach Dispenser Bleach dispenser is located in Use only liquid bleach in left front corner under loading dispenser. To use powdered door. bleach, add to wash tub with LO AD SIZE BLE ACH detergent. (M ax Am t.) Bleach dispenser SUP ER PLU S 1 cup...
  • Page 7: Moving And Storage

    Moving and Storage Cold Storage and Non-Use Periods Vacations and Extended Non-Use IMPORTANT: To avoid possible WARNING property damage from flooding, turn off water supply to washer Explosive hydrogen gas may be produced in a hot water system during extended periods of non- that has not been used for two weeks or more.
  • Page 8: Speciality Tools

    Speciality Tools...
  • Page 9: General Operation Definition

    General Information The washer uses a reversing type motor, a special drive water out of the washtub. The combination of water, belt and an idler assembly. The idler assembly applies washtub and load weight cause the drive belt tension on tension to the outside of the drive belt.
  • Page 10: Technical Information

    WasherTechnical Information WDSS4120 Model WDSS4120 Power Source Voltage AC 120 VAC 60 Hz Amperage (Single Unit) 10 A Motor horsepower Dimensions Cabinet 43” Height−overall Height of cabinet 36” Width 27” Depth 28” 17 1/2” Clearance−washer lid Weight Crated 193 lbs.
  • Page 11: Component Testing Information

    Component Testing Information WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless testing requires it. Illustration Component Test Procedure Results Temperature switch Disconnect wires from component to properly measure the resistance of the component.
  • Page 12 Component Testing Information WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless testing requires it. Illustration Component Test Procedure Results Motor Type of motor: See following section “Internal Motor Two speed Diagram and Schematic”...
  • Page 13: Internal Motor Diagram And Schematic

    Internal Motor Diagram and Schematic WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless testing requires it. One or Two Speed Motors Continuity exists between switch terminal R and Red wire. Start Terminals Manually depress actuator.
  • Page 14 Internal Motor Diagram and Schematic WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless testing requires it. Wire harness connection block White Brown Yellow Blue Violet 4P M Yellow 6P M Overload Aux.
  • Page 15: Wiring Diagram And Schematic

    Wiring Diagram Wiring Diagram WARNING WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless testing requires it.
  • Page 16 Schematic WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless testing requires it.
  • Page 17: Timer Cycle Chart

    Timer Cycle Chart WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless testing requires it. WATER WATER TEMPERATURE MOTOR CYCLE TIME TEMPERATURE MOTOR CYCLE TIME CYCLE / FUNCTION SELECT SPEED hh:mm:ss CYCLE / FUNCTION SELECT SPEED...
  • Page 18: Troubleshooting Procedures

    Troubleshooting Procedures W ARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless testing requires it. 1. No hot water. Possible Cause Result Hot water supply faucet is closed. Open faucet. Water supply is cold. Check water heater Verify hot water hose is connected to hot side of inlet valve.
  • Page 19: Timer Does Not Advance

    Troubleshooting Procedures W ARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless testing requires it. 4. Water fill does not stop at proper level. Possible Cause Result Failed pressure switch. Test switch and replace if failed. Air leak in pressure hose Replace pressure hose.
  • Page 20: Agitation

    Troubleshooting Procedures W ARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless testing requires it. 7. Washer smokes, overheats, and cycles on overload protector or switch actuator kicks in and out. Possible Cause Result Belt is tacky and does not allow proper...
  • Page 21: Spin

    Troubleshooting Procedures W ARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless testing requires it. 10. Slow spin or no spin. Possible Cause Result Some model washers, timer is programmed for Use a different cycle.
  • Page 22 Troubleshooting Procedures W ARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless testing requires it. 13. Washer locks-up or binding. Possible Cause Result Excessive drive belt tension. Replace drive belt and/or idler spring. Bind in upper or lower bearing.
  • Page 23: Disassembly Procedures

    Disassembly Procedures To avoid risk of electrical shock, personal injury, or WARNING death, disconnect power to unit before servicing. NOTE: When reference is made to directions (right Timer or left) in this manual, it is from operator’s 1. Loosen control hood assembly, see “Control Hood position facing front of washer.
  • Page 24: Temperature And Speed Switch

    Disassembly Procedures To avoid risk of electrical shock, personal injury, or WARNING death, disconnect power to unit before servicing. Temperature and Speed Switch Before attaching wire harness terminal blocks to timer, verify all male terminals on timer are straight and are 1.
  • Page 25: Pressure Switch

    Disassembly Procedures To avoid risk of electrical shock, personal injury, or WARNING death, disconnect power to unit before servicing. Loading Door Pressure Switch 1. Open loading door. 1. Loosen control hood assembly, see “Control Hood 2. Remove screws securing left hinge to door and Assembly”...
  • Page 26: Agitator, Drive Bell And Seal Assembly

    Disassembly Procedures To avoid risk of electrical shock, personal injury, or WARNING death, disconnect power to unit before servicing. Agitator, Drive Bell and Seal Assembly NOTE: If water is present in washtub, remove water before attempting to remove drive bell. Loading 1.
  • Page 27: Installing Drive Bell

    Disassembly Procedures To avoid risk of electrical shock, personal injury, or WARNING death, disconnect power to unit before servicing. 7. Apply a small amount of supplied grease to inside 293P4 sealing lips of seal. Seal tool shoulder Top of seal Apply grease to Transmission inside sealing lips...
  • Page 28: Service Access Panel, Front Panel

    Disassembly Procedures To avoid risk of electrical shock, personal injury, or WARNING death, disconnect power to unit before servicing. Service Access Panel Brace • Remove brace from front panel by swinging one end NOTE: Screws located at bottom edge of service towards bottom of front panel and remove brace.
  • Page 29: Pump And Belt Removal

    Disassembly Procedures To avoid risk of electrical shock, personal injury, or WARNING death, disconnect power to unit before servicing. 3. Align belt on motor pulley and tension pulley as to lower outer tub flange and to "milk-stool" illustrated. assembly. Pump mounting screws Motor mounting attaching screws...
  • Page 30: Motor Disassembly

    Disassembly Procedures To avoid risk of electrical shock, personal injury, or WARNING death, disconnect power to unit before servicing. Motor Disassembly NOTE: Lay motor on its side. Observe belt configuration around rear pump leg. Belt MUST 1. Remove nuts, steel washers, spacers and rubber encircle rear pump leg when reassembling.
  • Page 31: Cabinet Top

    Disassembly Procedures To avoid risk of electrical shock, personal injury, or WARNING death, disconnect power to unit before servicing. Cabinet Top Water (mixing) Valve 1. Remove control hood assembly, see “Control Hood 1. Disconnect water inlet hoses. Assembly” procedure. 2. Remove screw securing mixing valve bracket. 2.
  • Page 32: Tub Cover And Gasket

    Disassembly Procedures To avoid risk of electrical shock, personal injury, or WARNING death, disconnect power to unit before servicing. NOTE: When removing washtub and balance ring, DO Tub Cover and Gasket NOT lift up on balance ring damage may occur. 1.
  • Page 33: Drive Pulley, Helix And Brake

    Disassembly Procedures To avoid risk of electrical shock, personal injury, or WARNING death, disconnect power to unit before servicing. assembly. 12.Loosen hose clamp and remove hose from bottom of outer tub. NOTE: When reinstalling brake assembly, replace all 13.Loosen hose clamp and remove pressure hose from three brake pads.
  • Page 34: "Milk-Stool" And Bearing Assembly

    Disassembly Procedures To avoid risk of electrical shock, personal injury, or WARNING death, disconnect power to unit before servicing. "Milk-Stool" and Bearing Assembly NOTE: If gap is less than .030 (.76 mm), brake may not stop washtub from spinning in required seven 1.
  • Page 35: Transmission Assembly

    Disassembly Procedures To avoid risk of electrical shock, personal injury, or WARNING death, disconnect power to unit before servicing. Upper Bearing Assembly Transmission Assembly 1. Remove transmission assembly, see “Disassembly 1. Remove outer tub, see Outer Tub” procedure, o f Transmission Assembly” procedure. steps 1 through 11.
  • Page 39 FABRIC SOFTENER ASSEMBLY BALANCE RING Filled with 6lbs calcium chloride FLEX VANE AGITATOR WASH 301 Stainless Steel LINT FILTER DRIVE DRIVE BELL BELL SEAL HEX NUT SPLINE INSERT HUB AND SEAL KIT...
  • Page 42: Brake Pad Kit Wh49X10027

    Instructions for Installing WH49X10027 Brake Pad Kit WARNING • Disconnect power to washer before servicing • Never start washer with guards and/or panels removed • Always reconnect ground wires after servicing WH49X10027 Brake Pad Kit parts: Description Instructions Screws Brake Pads Installation 1.
  • Page 43: Hub And Seal Kit Wh01X10151

    Instruction Sheet for Installation of Hub and Seal Kit WH01X10151 WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, never start washer with guards and/or panels removed, and always reconnect ground wires after servicing. 6.
  • Page 44 IMPORTANT: Firmly push hub assembly down against 19.Secure washtub to hub assembly using cap screws outer seal and hold in this position during supplied in kit. the next three steps. 20.Install Outer Tub Cover Gasket supplied in kit. Refer to pub #31-9081 for installation instructions. 15.While holding hub assembly down, place new spline insert (with fingers pointing upward) over 21.Reassemble outer tub cover onto washtub.
  • Page 45: Drive Bell And Seal Kit Wh43X10024

    Instructions Sheet for Installing Drive Bell and Seal Kit WH43X10024 Parts Required: Quantity Item Seal Plug Shoulder Screw Drive Bell Seal, Bell Drive Grease Instructions Sheet Procedures: WARNING To avoid risk of electrical shock, fire, explosion, serious injury or death: •...
  • Page 46: Installing Drive Bell

    Lubricate new seal with liquid soap or soapy water to NOTE: Using a small pocket mirror, check entire aid in assembly of seal onto hub. circumference of bottom seal flange to verify seal is pressed down against shoulder on hub; there Apply grease to should be no gap! Transmission...

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