ENTRANCE GATE
2-9
SIG-QG-21-01
NOVEMBER 2021
Version: A
2.7 OPERATING MODE SWITCH
Figure 2-6
Operating Mode Switch
The Operating Mode switch is located in the upper center of the control board and is used to drive
the gate mechanism from the vertical to the horizontal position so that a damaged gate arm can
be repaired. By switching the Operating Mode switch from the lower Normal position to the upper
Maintenance position, the Motor Down pushbutton can now be activated to power down the
mechanism. The S-80 is designed to drive a mechanism with seven (7) 58 pound counterweights,
fully extended, to the horizontal position. The Bi-Directional Lock Bar must be installed to hold the
mechanism in the horizontal position once it has been powered down using the Motor Down
pushbutton. See Figure 2-5.
WARNING
THE LOCK BAR SHOULD NOT BE INSTALLED UNTIL AFTER THE
GATE ARM IS IN THE HORIZONTAL POSITION, AFTER BEING
LOWERED WITH THE MOTOR DOWN PUSHBUTTON.
THE MOTOR DOWN PUSHBUTTON SHOULD NEVER BE USED WITH
THE LOCK BAR INSTALLED OR DAMAGE TO THE MECHANISM CAN
OCCUR.
WARNING
ENSURE THAT ALL PRECAUTIONS ARE IN PLACE TO PROTECT THE
CROSSING WHILE USING THE OPERATING MODE SWITCH.
WHEN THE OPERATING MODE SWITCH IS IN THE “MAINTENANCE”
POSITION, THE GATE MECHANISM WILL NOT DESCEND AS
NORMAL WHEN GATE CONTROL (GC) IS REMOVED FROM THE
WAYSIDE CONTROL.
Содержание SMART GATE S-80
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