Viking DMOR205SS Service Manual page 46

VMOR205SS
DMOR205SS
diagram.
3. Secure the latch hook (with two (2) mounting screws) to
oven cavity front flange.
DOOR SENSING SWITCH, SECONDARY, THIRD DOOR SWITCH AND MONITOR SWITCH ADJUSTMENT
If the door sensing switch, secondary,primary switch and
monitor switch do not operate properly due to a misadjustment,
the following adjustment should be made.
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. Discharge high voltage capacitor.
4. Loosen the two (2) screws holding latch hook to the oven
cavity front flange.
5. 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 door sensing switch,
secondary and third door switch are activated with the
door closed. The horizontal position of the latch hook
should be adjusted so that the monitor switch is activated
with the door closed.
6. Secure the screws with washers firmly.
7. Check the all switches operation. If the 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,
DOOR ASSEMBLY REMOVAL
1. Unplug the oven from power outlet and remove the oven
from wall and remove outer case. (Refer to procedure of
"Removal of Oven from Wall" and "Outer case Removal")
2. Remove one (1) screw holding the hood exhaust louver
to the oven cavity with outer case cabinet, as shown in
Figure C-2.
3. Remove the hood exhaust louver from the oven cavity
by pushing right and left tabs of the hood exhaust louver,
as shown in Figure C-2.
4. Remove the sash left from the oven cavity from face
plate by lifting it up.
5. Push the door open button and open the door slightly.
6. Insert an 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.
7. Lift up the door stopper.
4. Make sure that the monitor switch is operating properly
and check continuity of the monitor circuit.
chapter "Test Procedure" and "Adjustment procedure".
pushing and pulling lower portion of the door toward the
oven face. Both results (play in the door) should be less
than 0.5mm.
2. The door sensing switch, secondary and third door switch
interrupt the circuit before the door can be opened.
3. Monitor switch contacts close when door is opened.
4. Re-install outer case and check for microwave leakage
around door with an approved microwave survey meter.
(Refer to Microwave Measurement Procedure.)
DOOR
DOOR REPLACEMENT
8. Now, the door stopper is free from the door assembly.
9. Lift up the door assembly to release the upper and lower
door hinge pins from the upper and lower oven hinges.
10.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.
44
LATCH HOOK
LATCH
HEADS
OPEN LEVER
SECONDARY
INTERLOCK
SWITCH
Figure C-1. Latch Switch Adjustments
Refer to
DOOR SENSING
SWITCH
MONITOR FUSE
MONITOR
SWITCH
THIRD
DOOR
SWITCH