Installation of Limit Switches and Positive Stops
Although the
If using positive stops you must be on operating parameter:
Positive stops
Positive stops are physical structures the doors come in contact with at the end of the opening and closing cycles.
Limit switches
Mounting the limit switches
Slide the limit rings on the top side of the transmission shaft. Line up the holes on the limit switches with the holes on the top of the operator. Manually release the arm.
CLOSED DOOR LIMIT SWITCH
Move the door into the full closed position then move the bottom ring so it is pushing the switch on the bottom limit switch in. Tighten the screw on the bottom ring to secure it in place (see next page for screw close up).
OPEN DOOR LIMIT SWITCH
Move the door into the full open position. Move the top ring until it is pushing the switch
on the top limit switch in. Tighten the screw on 4.3 the top ring to secure it in place.