INTERLOCK MECHANISM AND ADJUSTMENT
The door lock m echanism is a device which has been specially designed to com pletely elim inate m icrowave radiation when the door is opened during operation, and thus to perfectly prevent the danger resulting from the leakage of microwave.
(1) Prim ary interlock switch W hen the door is closed, the hook locks the oven door. If the door is not closed properly, the oven will not operate. W hen the door is closed, the hook pushes the button of the m icroswitch. Then the button of the primary interlock switch bring it under ON condition. (2) Secondary interlock switch and interlock m onitor switch W hen the door is closed, the hook pushes the lock lever downward. The lock lever presses the button of the interlock m onitor switch to bring it under NO condition and presses the button of the secondary interlock switch to bring it under ON condition.
ADJUSTMENT
Interlock m onitor switch W hen the door is closed, the interlock m onitor sw itch should be changed(NO condition) before other switches are closed. W hen the door is opened, the interlock m onitor sw itch should be changed(NC condition) after other switches are opened.
(3) Adjustm ent steps a) Loosen the two m ounting screws. b) Adjust interlock switch assem bly position. c) M ake sure that lock lever m oves sm oothly after adjustm ent is com pleted. d) Tighten com pletely two m ounting screws.
NOTE
M icrow ave em ission test should be perform ed after adjusting interlock m echanism . If the m icrow ave em ission exceed 4m W /cm 2 , readjust interlock m echanism .
