LG MC-3089NBC Service Manual page 16

L. C-MOTOR AND SHEATH HEATER
REMOVAL
1) Remove the air guide and the air duct.
2) Disconnect the leadwire from the circulation motor
and the sheath heater.
3) Remove four hex nuts securing the chamber guide
assembly to the oven cavity.
4) Remove a hex nut securing the circulation fan to
the shaft of the circulation motor.
5) Remove four screws securing the sheath heater
and the chamber.
6) Remove two hex nuts securing the circulation
motor to the chamber.
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
M. INTERLOCK SYSTEM
1) INTERLOCK MECHANISM
The door lock mechanism is a device which has
been specially designed to eliminate completely
microwave activity when the door is opened during
cooking and thus to prevent the danger resulting
from the microwave leakage.
2) MOUNTING OF THE PRIMARY/MONITOR/
SECONDARY SWITCHES TO THE LATCH
BOARD
3) INSTALLATION AND ADJUSTMENT OF THE
LATCH BOARD TO THE OVEN ASSEMBLY
• Mount the latch board to the oven assembly.
• Adjust the latch board in the arrow direction so that
oven door will not have any play in it when the door
is closed.
• Tighten the mounting screw.
ADJUSTMENT
DIRECTION
PRIMARY
INTERLOCK
SWITCH
INTERLOCK
MONITOR
SWITCH
SECONDARY
INTERLOCK
SWITCH
5-6 LGE Internal Use Only