The travel nut on LA500DC and LA500DCS gate operators may break when excessive force is applied to the gate such as being struck from a vehicle.
The travel nut can be identified as the white plastic nut that attaches to the internal lead screw of the arm.
The symptom of this problem is that the trolley assembly slides back and forth along the guide slots without mechanical restraint.
LiftMaster has created Trolley Service Kit K75-39337 with all the necessary parts and provides instructions on how to replace a damaged travel nut
within an LA500 arm
A 433.92 MHz rolling code transmitter with management of identity codes and certificates it is self-learning with a built-in proximity receiver.
With 72 bit O-Code encoding it is also compatible with Nice Flor encoding receivers.
If you've ever been frustrated programming remote controls have no fear! By using a transmitter already programmed to the receiver it memorizes the data via an enabling code between the two making programming a simple process
The Era One uses data processing and recognition systems that increase its degree of security delivering a threefold reduction in automation response time. Attach the Era One transmitter to your keys or fix it to your car visor with the included visor clip.
Estimated Range: Outdoors: 656 ft Inside Building: 115 ft
The Model AM-PC Proximity Card is a Wiegand format proximity type access control card with a slot for attaching to a key ring use with AM-PR proximity reader.
Passive operation
Low-cost
Durable
Custom Coded. Must provide Facility Code and Start #