Maytag MDC4650AW Series, Service Manual

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©2006 Maytag Services
Disassembly Procedures
!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit and discharge
capacitor through a 10,000 ohm resistor before attempting to service, unless test procedures require power to be
connected. Ensure all ground wires are connected before certifying unit as repaired and/or operational.
Door Gasket
The Door Gasket provides a seal between the Door and
the Tub.
Removal
1. Open Door.
2. From either corner, pull gasket up and out of tub
recess.
Replacement
1. To ease installation, wet gasket with water.
2. Starting in the lower right corner, Gently work gasket
into the recess of Tub up the right side.
3. With other end, place gasket flush with the Tub in
lower left corner.
4. Gently work gasket in to the recess of the Tub, up the
left side, and across the top.
5. Check for proper Door Latch adjustment to ensure
proper door sealing.
Float
The Float Assembly controls the amount of water fill.
The Float Switch is wired in series with the Water Valve.
When the Float Switch OPENS, the electrical circuit to
the Water Valve is opened, causing the Water Valve to
shut off.
A normal fill is when water makes contact with heating
element in bottom of dishwasher.
To Check Float Switch
1. Disconnect power to the machine.
2. Perform continuity check of switch across terminals.
Closed- Actuator of switch depressed.
Open- Actuator of switch released.
Removal
1. Disconnect power to the machine.
2. Lift Float straight up from Float Guide.
3. Remove Front Support and Toe Panel. (See paragraph
Front Support and Toe Panel removal).
4. Remove electrical connectors on switch.
5. Float Switch mounting screw is located behind Float
Switch mounting plate. Loosen 1/4" screw several
turns to remove entire assembly.
6. Spread locking tabs on Float Switch mounting plate
to remove switch.