LG LMHM2237BD Service Manual page 37

D. REMOVING MAGNETRON
(Figures 11 Through 12)
(1) Remove the vent grill by loosening the one
screws.(Figure 11)
(2) Remove fan bracket and outer case. See page
7-6.
(3) Remove the four tap tite screws securing the
magnetron to the wave guide.
(4) Disconnect the lead wire.
(5) Remove the magnetron VERY CAREFULLY.
NOTES:
• When removing the magnetron, make sure that its
dome does not hit any adjacent parts, or it may be
damaged.
• When replacing the magnetron, be sure to install
the magnetron gasket in the correct position and
be sure that the gasket is in good condition.
• After replacing the magnetron, check for
microwave energy leakage with a survey meter.
Checked microwave energy leakage must be
below the limit of 5 mW/cm
adjustments should be made for minimum
microwave energy leakage readings.)
vent grill
Figure 12
2 . (All service
Fan Bracket
Figure 11
Magnetron
E. REMOVING STIRRER FAN
(Figures 13 and 14)
(1) Remove one rivet assembly securing it to the
oven upper plate by using a knife blade.
(2) Remove the stirrer fan cover.
(3) Remove the stirrer fan.
-37-
Figure 13
Figure 14