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13.1. Adjustment of the secondary
interlock switch (SAFETY
SWITCH B) (Right and Left
side)
1. Switch operation
When the door is slightly opened, the secondary interlock
switch opens the main circuit. The movement of the door
from the closed position to the operation position (shown as
liter) of the switch when it opens the main circuit, must
maintain within following tolerances.
SECONDARY INTERLOCK SEITCH (liter) = 3 mm — 5 mm
(When secondary interlock switch opens the main circuit)
NOTE:
Make sure that primary interlock switch turns off
prior to the secondary interlock switch when the
door is gradually opened.
2. How to adjust secondary interlock switch
Loosen 2 screws which secure the secondary interlock
switch bracket to the bracket of the oven assembly and then
adjust the secondary interlock switch bracket by moving it to
either direction as shown in figure.
13.2. Adjustment of the Short
Switch (MONITOR SWITCH)
(Right and Left side)
1. When the door is slightly opened, the Short Switch opens
the main circuit and closes the contacts for short circuit. The
movement of door from its closed position to open position
at which the Short Switch contacts open the main circuit
(shown as liter) must maintain within 8 mm — 11 mm and
at which the switch contacts close the short circuit should
be 20mm — 35 mm.
2. How to adjust
Loosen the 2 screws holding the short switch to the short
switch bracket, and then adjust the safety switch A by
moving it to either direction as shown in figure.
13 MEASUREMENTS AND ADJUSTMENTS
23
NE-3280 / NE-2180 / NE-2180C