LiftMaster K75-39337 LA500 Trolley Nut Kit

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Description

LiftMaster K75-39337 LA500 Trolley Nut KitLA500 Trolley Nut Service Kit 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

Chamberlain and Sears Craftsman chain drive garage door openers that have a square rail

It controls one garage door opener and can be used to program remote controls and MyQ® enabled accessories

Plug-in AC/DC converter

pulley guard

Genie 36521S

Note: Notice that the pulley is smooth

Installation Instructions

500 pounds and 90-feet long so facility managers can trust the operator to move the heaviest industrial gates

Overhead Door Phantom Model 777CD

These cardboard safety sensor sun shields are used to prevent sunlight from shining into sensor causing accidental reversal of garage door

Increased Beam Angle for simple

Original 7-foot rails had 13 mount pieces