old senior swing motor gearbox replace new gearbox

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The Mid Swing was discontinued Sept. of 2009. The Sr. Swing control box has the power boost feature which the Mid Swing control box did not have. If you replace only the Mid Swing control box with...
The Senior Swing "control box" is not handed. All Senior Swing motor "gearboxes" are handed, both the 2800 Series concealed and 9500 Series surface mounted operators. The 2800 Series "concealed a...
LCN does not does not have or supply any information for the old (obsolete) "High Energy" Dor-O-Matic Sliding doors, Bi-Fold doors or Astro Swing doors. You MUST be AAADM certified to work on, or g...
The older model Senior Swing came with 2 spring options. The "standard force" spring required 15 lbs of manual  opening force, and reduced force "RF" required 11 lbs of manual opening force.  All S...
The Senior Swing has a built in circuit that controls closing speed through the motor. If the door is slamming, there must be a broken gear in the gearbox and the gearbox will need to be replaced.
Senior Swing 9540 Regular, push side arm, part number is: 9540-3077, specify hand and finish. Senior Swing 9550 Regular, push side arm, part number is: 9550-3077, specify hand and finish. Senio...
The part number for the threaded rod "only" on the Senior Swing regular arm is 9540-82, 9550-82, or 9560-82 or -82L for the long rod option.The part number for the threaded rod, turn buckles, and m...
The Benchmark and Falcon operator gearbox assemblies are not repairable. The gearbox belt and/or pulley cannot be replaced in the field, the gearbox would need to be replaced as a complete assembly...
Push Side Surface Mount Senior Swing can be used with swing clear hinges, standard templating. Pull Side Surface Mount Senior Swing cannot be used, the pull arm will hit the back of door at approxi...