LG lmhm2237bd, Service Manual

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F. REMOVING DOOR (Figure 15)
(1) Remove the vent grille by loosening the two
screws securing it to the outer case.
(2) Lift up and draw out the door.
NOTES:
• After replacing the door, be sure to check that the
primary interlock switch, the secondary interlock
switch and the interlock monitor switch are in good
operating condition.
• After replacing the door, check for microwave
energy leakage with a survey meter. Microwave
energy leakage must be below the limit of 5mW/cm
2
(With a 275 ml water load).
G. DISASSEMBLING DOOR (Figure 16)
(1) Remove the dielectric choke by using a knife
blade or small screwdriver, etc.
(2) Remove the two screws securing it to the door
handle.
CAUTION: Be careful not to damage the door
seal plate with the screwdriver.
H. ASSEMBLING DOOR
(1) When mounting the door assembly to the oven
assembly, be sure to adjust the door assembly
parallel to the chassis. Also adjust it so the door
has no play between the inner door surface and
oven frame assembly. If the door assembly is not
mounted properly, microwaves may leak from the
clearance between the door and the oven.
I. REMOVING THE VENTILATION FAN
ASSEMBLY
(1) Remove the two screws securing the fan bracket
and the one screw securing the ventilation fan
assembly.
(See Figure 17-a)
(2) Carefully pull the ventilation motor assembly out of
the microwave oven. (See Figure 17-b)
Figure 16
Fan Bracket
Figure 15
Figure 17-a
-38-
Figure 17-b