Removing The Door Lock Assembly(For The Upper Oven Only) - LG LUTG4519SN Service Manual

Slide-in gas double range
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REMOVING THE DOOR LOCK ASSEMBLY(FOR THE UPPER OVEN ONLY)

• DISCONNECT power supply cord from the outlet
before servicing.
• Replace all panels and parts before operating.
• RECONNECT all grounding devices.
- Failure to do so can result in severe personal injury, death or
electrical shock.
• Use caution when handling sheet metal parts while
servicing the range.
- Some parts may have sharp edges, which could result in injury.
1. Turn off the electrical supply and gas supply going to the range.
2. Pull the range away from the wall so that you can access the rear panel.
3. Remove the rear back cover and motor cover (see step 4~5 on page
3-2)
4. Disconnect the wires from the latch motor and switch.
5. Remove the screw from the latch assembly.
Cam
Screw
COMPONENT ACCESS
WARNING
CAUTION
Latch rod
Micro switch
Latch drive motor
6. Unhook the Latch rod from the cam.
DOOR LOCKING MECHANISM
The door lock assembly is located at the back side of range.
The structural elements are as below.
1. When the oven control is programmed and started for the Self clean and Lock out
mode, PCB (Power control board) chip operates the motor.
2. The cam moves the door hook connected to latch rod from unlocked
position to locked position (from locked Position to unlocked position)
3. The cam activates the micro switch that causes the motor to stop.
4. The locked status remains until the range temperature drops to
approximately 500F after end of the self clean or lock out feature is
reactivated. The motor operates to unlock door at that time.
-3-20-
HOOK
Latch ROD

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