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3.4 Limit Switch Adjustments
1. Be sure that power to the operator is OFF.
2. Push the gate to the open position. Adjust the OPEN limit nut so that it is activating
the OPEN limit switch.
3. Push the gate to the close position. Adjust the CLOSE limit nut so that it is activating
the CLOSE limit switch.
4. After adjusting the limit-nuts, be sure that the lock-plate is engaged in the slots on the
limit-nuts to prevent them from slipping.
5. Turn power on and activate the gate operator. If gate runs towards the close
position, turn power OFF and change direction switch (SW-1, switch 1). Turn power
ON and activate the gate operator.
6. Re-adjust the limit-nuts as necessary for full-open and full-close gate travel.
7. If the partial open feature is used (input to terminals 1 and 5), the partial open
distance can be adjusted by moving the magnetic pick-up across its slotted bracket.
Be sure that the magnet imbedded in the center limit nut is aligned with the magnetic
pick-up on the bracket.
Push Lever DOWN
to Adjust Limit Nuts
Slide to Adjust
Partial Open Limit
Be sure the magnet
imbedded in the partial
open (center) limit nut is
aligned with the partial
open magnetic pick-up
IMPORTANT! 3-Phase Power Limit Switch Test
This test MUST be performed if the 9310 is powered from a 3-phase power source.
1. Activate the operator and watch the limit nut movement.
2. Manually activate the limit switch that the limit nut is moving towards. If the operator
does not shut off, immediately turn the operator power off and shut off power at the
breaker panel.
3. Reverse the input power wires at L1 and L2.
4. Re-apply power and repeat the test.
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