For use with various LiftMaster® Belt Drive and Chain Drive Garage Door Openers featuring myQ® technology dual light lenses and are not equipped with a video camera; manufactured after 2021 only
This replacement kit is compatible with the following models: 84501 84501-267 84602
Used on docks where excessive friction from up and down trailer
movement occurs (yard jockeys air ride trailers etc.).
Can be used in material handling application where medium to heavy dock
protection is required
“Gliding” heavy-duty steel face is 3/8” thick and independently anchored with elongated holes to face of bumper allowing bumper to compress AND offer high surface abrasion resistance
Rubber pads laminated between steel angles and secured with 3/4” rods
Bumper is fastened to dock surface with 3/8” steel angles and/or flat plates depending on the model chosen.
Comes with a durable blue LED backlight metal keypad and a 5- year lithium battery.
KPW250 is perfect for larger commercial applications such as a maintenance door entrance or gated entrance for a small business.
Compatible with Security+ 2.0 Security+ as well as Linear Multi-Code 300 MHz
250 permanent PINs and 10 unique temporary PINs mean flexibility to set up multiple users for commercial settings; unique temporary PINs can be set for 1 to 9 uses
Allows for removal of a single PIN while maintaining full access for other users
Zinc-alloy metal front cover for tough environments
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