R-7N76(W)M
R-7N76(B)M
32
If the 1st switch, 2nd latch switch, stop switch and monitor
switch do not operate properly due to a mis-adjustment, the
following adjustment should be made.
1. CARRY OUT 3D CHECKS
2. Loosen the one (1) screw holding the upper latch hook to
the oven cavity front flange and the one (1) screw holding
the lower latch hook to the same flange.
3. With the door closed, adjust latch hook by moving it back
and forward or up and down. In and out play of the door
allowed by the latch hook should be less than 0.5 mm.
The horizontal position of the latch hook should be placed
where the latch head has pushed the plungers of the
monitor switch and 2nd. latch switch with the door closed.
The vertical position of the latch hook should be placed
where the latch head has pushed the plungers of the 1st.
latch switch and stop switch with the door closed and the
start button pushed.
4. Secure the screws with washers firmly.
5. Make sure of the all switches operation. If the latch head
has not pushed the plungers of the monitor switch and
2nd. latch switch with door closed, adjust the latch hook
position.
At that time, the latch head should not have pushed the
plungers of the 1st. switch and stop switch. If the latch
head has not pushed the plungers of the 1st. switch and
stop switch with door closed, loose two (2) screws holding
latch hook to oven cavity front flange and adjust the latch
hook position.
After adjustment, make sure of the following:
1. In and out play of door remains less than 0.5 mm when
latched position. First check latch hook position, pushing
and pulling upper portion of door toward the oven face.
Then check the lower latch hook position, pushing and
pulling lower portion of door toward the oven face. Both
results (plays of the door) should be less than 0.5mm.
2. The 1st latch switch and stop switch interrupt the circuit
before the door can be opened.
3. The monitor switch contacts of (COM.- NC.) close when
the door is opened and the 2nd latch switch contacts of
(COM.- NO.) open when the door is opened.
4. Re-install outer case and check for microwave leakage
around the door with an approved microwave survey
meter. (Refer to Microwave Measurement Procedure.)
CONVECTION FAN MOTOR
7. Remove the one (1) nut holding the convection fan,
washers, pipe and auxiliary fan to the convection fan
motor shaft.
8. Remove the two (2) screws holding the convection motor
mounting plate to the convection fan duct.
9. Remove the pin on the convection fan motor shaft.
10.Remove the two (2) screws holding the convection motor
mounting plate to the convection fan motor.
11.Now, the convection fan motor is free.
1ST. LATCH SWITCH, 2ND. LATCH SWITCH, STOP SWITCH AND MONITOR SWITCH REMOVAL
1. CARRY OUT 3D CHECKS.
2. Remove the control panel assembly referring to
"CONTROL PANEL REMOVAL".
3. Disconnect the leads from all switches.
4. Remove the two (2) screws holding the latch hook to the
oven cavity.
5. Remove the latch hook.
6. Push the retaining tab slightly and remove the switch.
1ST LATCH SWITCH, 2ND LATCH SWITCH, STOP SWITCH AND MONITOR SWITCH ADJUSTMENT
1. CARRY OUT 3D CHECKS
2. Disconnect the wire leads to the grill heating element.
3. Remove the two(2) screws holding the exhaust duct
assembly to the oven cavity.
4. Push the two tabs holding the grill heating element
assembly to the oven cavity.
5. Release the grill heating element assembly from the oven
cavity by sliding the cover.
6. Now the grill heating element assembly is free.
GRILL HEATING ELEMENT ASSEMBLY REMOVAL
MONITOR SWITCH
1ST LATCH SWITCH
TAB
2ND LATCH SWITCH
TAB
STOP SWITCH
Figure C-4. Switches
LATCH
HEADS
LATCH HOOK
1ST LATCH
SWITCH
2ND LATCH SWITCH
STOP SWITCH
OPEN LEVER
DOOR OPEN BUTTON
MONITOR LATCH
SWITCH
Figure C-5. Switch Adjustment
