Toyotomi KS-53 Operating Manual page 20

REPLACING THE MICA WINDOW
Before replacing the mica window, allow heater to
cool completely.
1
Remove screw from the mica window frame and lift
mica window off.
2
Align notch in mica window with hole on mica window
frame. Insert tab of the mica window frame into outer
cover slot. Replace screw.
4
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