6.1. Adjustment of primary latch
switch, secondary latch switch
and short switch.
1. Mount thePrimary latchswitch, theSecondary latch switch
and the Short switch to the door hook assembly as shown
in illustration.
NOTE:
No specific individual adjustments during
installation of the Primary latch switch, Secondary
latch switch or Short switch to the door hookare
required.
2. When mounting the door hook assembly to the oven
assembly, adjust the door hook assembly by moving it in
the direction of the arrows in the illustration so that the oven
door will not have any play in it. Check for play in the door
by pulling the door assembly. Make sure that the latch keys
move smoothly after adjustment is completed. Completely
tighten the screws holding the door hook assembly to the
oven assembly.
3. Reconnect theshort switchand check thecontinuity ofthe
monitor circuit and all latch switches again by following the
component test procedures.
6.2. Measurement of microwave
output
The output power of the magnetron can be determined by
performing IEC standard test procedures. However,due to the
complexity of IEC test procedures, it is recommended to test
the magnetron using the simple method outlined below.
Necessary Equipment:
• 1liter beaker
• Glassthermometer
• Wristwatch or stopwatch
NOTE:
Check the line voltage under load. Low voltage will
lower the magnetron output. Take the temperature
readings and heating time as accurately as possible.
1. Fill the beakerwith exactly one liter oftap water.Stir the
water using the thermometer and record the water’s
temperature. (recorded as T1).
2. Place thebeaker onthe center ofglass tray.
Set the oven for High power and heat it for exactly one
minute.
3. Stir thewater againand readthe temperature ofthe water.
(recorded as T2).
4. The normaltemperature rise at Highpower level foreach
model is as shown in table.
TABLE (1L-1min. test)
RATED OUTPUT TEMPERATURE RISE
1000W Min. 8.5°C
6 MEASUREMENTS AND ADJUSTMENTS17
NN-SD452W/ NN-ST462M / NN-ST452W