GE JVM1790SK Service Manual - Page 19

E. Removing Magnetron

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E. REMOVING MAGNETRON (Figures 11 Through 13) (1) Remove the vent grille by loosening two screws. (Figure 11) (2) Remove the outcase. See Figure 13-b. (3) Remove four tap tite screws securing the magnetron to the wave guide. (4) 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 Check microwave energy leakage must be below the limit of 5 mW/cm2. (All service adjustments should be made for minimum microwave energy leakage readings.) Figure 11 Door Vent Grille Mount,All (1 or 2 screws) Mounting Plate Out Case Controller (3 screws) Figure 12 Figure 13-a Figure 13-b 7-8

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E. REMOVING MAGNETRON
(Figures 11 Through 13)
(1) Remove the vent grille by loosening two screws.
(Figure 11)
(2) Remove the outcase. See Figure 13-b.
(3) Remove four tap tite screws securing the
magnetron to the wave guide.
(4) 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 Check
microwave energy leakage must be below the limit
of 5 mW/cm
2
. (All service adjustments should be
made for minimum microwave energy leakage
readings.)
7-8
Figure 11
Figure 13-a
Figure 13-b
Figure 12
Vent Grille
Controller
(3 screws)
Door
Mounting
Plate
(1 or 2 screws)
Out Case
Mount,All