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Procedure
Steps
a
b
1. Remove top cover and front side plate
top panel
Loosen the screws connecting the
front side panel and mask and chassis.
Remove the front side panel.
front side plate
2. Remove grille
Twist off the screws connecting the grille
and panel, and then remove the grille.
grille
valve cover
Use the screwdriver to remove the
screws connecting the top panel and
panel and side panels. Remove the
top panel.Loosen the screws fixing the
valve cover and then remove the
valve cover.