Installation And Adjustment Of The Interlock System - LG MH-1355M Service Manual

INSTALLATION AND ADJUSTMENT OF
THE INTERLOCK SYSTEM
A. INSTALLATION
CAUTION: FOR CONTINUED PROTECTION AGAINST RADIATION EMISSION,
The installation of PRIMARY, SECONDARY, MONI-
TOR and OVEN LAMP SWITCH is as shown Fig. 13.
PROCEDURE
B. ADJUSTMENT PROCEDURE
TO AVOID POSSIBLE EXPOSURE TO MICRO-
WAVE ENERGY LEAKAGE, THE FOLLOWING
ADJUSTMENT OF THE INTERLOCK SWITCHES
SHOULD BE MADE ONLY BY AUTHORIZED
SERVICE PERSONNEL.
(1) Loosen the two screws (1) holding the latch
board-U to the oven cavity front flange.
(2) With the door closed, adjust the latch board by
moving it back and forth, or up and down.
(3) Secure the screws firmly.
(4) Loosen the two screws (3) holding the latch
board-L to the oven cavity front flange.
(5) With the door closed, adjust the latch board by
moving it back and forth, or up and down.
(6) In and out play of the door allowed by the latch
board U and L should be less than 0.5 mm.
(7) Secure the screws firmly.
REPLACE ONLY WITH THESE TYPES OF SWITCHES.
PRIMARY (INTERLOCK) SWITCH; SZM-V16-FA-63 or VP-533A-OF
SECONDARY (INTERLOCK) SWITCH; SZM-V01-FA-33
(INTERLOCK) MONITOR SWITCH; SZM-V16-FA-62 or VP-532A-OF
OVEN LAMP SWITCH; SZM-V6-FA-31 or VP-331A-OD
1
3
– 23 –
LATCH
FRONT PLATE
LATCH BOARD-U
PRIMARY
SWITCH
2
LATCH BOARD-L
OVEN LAMP
SWITCH
MONITOR
SWITCH
4
SECONDARY
SWITCH
SWITCH LEVER
Fig. 13
5