39
R-1750
R-1751
R-1752
R-1754
following adjustment should be made.
5. Loosen the two (2) screws holding latch hook to the oven
cavity front flange.
6. With door closed, adjust latch hook by moving it back and
forth, and up and down. In and out play of the door
allowed by the upper and lower position of the latch hook
should be less than 0.5mm. The vertical position of the
latch hook should be adjusted so that the primary interlock
switch and secondary interlock switch are activated with
the door closed. The horizontal position of the latch hook
should be adjusted so that the monitor switch and stop
switch are activated with the door closed.
7. Secure the screws with washers firmly.
8. Check all of the switches operation. If any switch has not
activated with the door closed, loosen screw and adjust
the latch hook position.
After adjustment, check the following.
1. In and out play of door remains less than 0.5mm when in
the latched position. First check upper position of latch
hook, pushing and pulling upper portion of door toward
the oven face. Then check lower portion of the latch
hook, pushing and pulling lower portion of the door
toward the oven face. Both results (play in the door)
should be less than 0.5mm.
DOOR REPLACEMENT
DOOR ASSEMBLY REMOVAL
1. Disconnect the power supply cord and remove the oven
from wall and remove outer case. (Refer to procedure of
"Removal of Oven from Wall" and "Outer case Removal")
2. Open the door and block it open.
3. To discharge high voltage capacitor, wait for 60 seconds.
4. Remove the hood exhaust louver from the oven cavity by
pushing the right and left tabs of the hood exhaust louver.
(Refer to the procedure of "HOOD EXHAUST LOUVER
REMOVAL".)
5. Insert a putty knife (thickness of about 0.5mm) into the
gap
A
between the door stopper and the choke cover
as shown in Figure C-3 to free engaging parts.
6. Lift up the door stopper.
7. Now, the door stopper is free from the door assembly.
8. Lift up the door assembly to release the upper and lower
door hinge pins from the upper and lower oven hinges.
9. Now, the door assembly is free.
Note: When the individual parts are replaced, refer to
"Door Disassembly".
DOOR ASSEMBLY RE-INSTALL
1. On re-installing door, insert the lower oven hinge to lower
door hinge pin.
2. Insert the upper oven hinge to the upper door hinge pin.
3. Shut the door (close the contacts of interlock switches).
4. Make sure upper and lower oven hinges are inserted into
the upper an lower door hinge pins.
5. Make sure the door is parallel with oven face lines (left
and upper side lines) and door latch heads pass through
latch holes correctly.
6. Re-install the door stopper to the door assembly.
7. Re-install the hood exhaust louver to the oven cavity
front face plate.
Note: After any service to the door;
(A) Make sure that stop switch, primary interlock switch
and secondary interlock switch are operating
properly. (Refer to chapter "Test Procedures".)
(B) An approved microwave survey meter should be
used to assure compliance with proper microwave
radiation emission limitation standards.
2. The contact of primary interlock switch and secondary
interlock switch open within 1.2mm gap between right
side of cavity face plate and door when door is open.
3. Monitor switch contacts close when door is opened.
4. The stop switch contacts open when door is open.
5. Re-install outer case and check for microwave leakage
around door with an approved microwave survey meter.
(Refer to Microwave Measurement Procedure.)
Secondary
Interlock
Switch
Monitor
Switch
Stop
Switch
Monitor
Fuse
Primary
Interlock
Switch
Latch
Hook
Door
Latch
Heads
Figure C-1. Latch Switch Adjustments
Figure C-2. Door Replacement and adjustment
After any servicing, make sure of the following :
1. Door latch heads smoothly catch latch hook through
Upper Door
Hige Pin
Upper
Oven
Hige
Lower
Oven Hige
Lower Door
Hige Pin
RE-INSTALL
RE-INSTALL
Door Stopper
Door assembly
Latch
Heads
Tab
Tab
Hood Exhaust Louver
Louver Clip
