How To Install Liftmaster 8500

How to Install LiftMaster 8500W Jackshaft Opener

Created:
November 11, 2022
Last Updated:
November 29, 2022
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In this guide, we will exist going through the steps for installing a LiftMaster model 8500W jackshaft opener on a residential 2-motorcar sectional garage door. We are confident that this guide volition help you be a better installer and provide better service and value to your customer.

The LiftMaster 8500W model in this guide includes 841LM powered door lock, integrated model 485LM battery for backup power, cable tension monitor and 827LM remote LED lite.

The 8500W tin can be installed on torsion bound activated door with one" bore shaft.

Standard Lift Door Application

15" radius track or greater
Up to xviii' broad doors
Upward to 14' alpine doors

Hi-lift Applications

xiv' tall
Up to 54" of hello-lift

FOR INSTALLATION

Minimum 2.five" clearance from the wall to center of torsion shaft
Minimum of iii" clearance from ceiling to middle of torsion shaft
Minimum of 8.v" clearance from side wall to the end of the torsion shaft
Torsion shaft must extend i.5" past the begetting plate
Disable whatsoever locks installed

PRO TIP: Before INSTALLATION, ENSURE THE DOOR IS WORKING PROPERLY.

OPERATOR INSTALLATION

Slide the shaft collar over the motor shaft of the operator and secure information technology in identify. (*The side of the collar with the larger hole should be placed on the motor side.)

PRO TIP: PLACE THE COLLAR Then THAT THE SET SCREWS ARE FACING OUT, MAKING THEM EASIER TO Access.

Adjacent, loosely adhere the slotted side of the mounting subclass to the same side of the garage door opener as the motor shaft. (Leave this loose until information technology is fourth dimension to secure to the jam.)
With the garage door in the airtight position, place the opener on the end of the torsion shaft. (Brand sure that the shaft collar is clear of the bearing plate and does non make contact.)
Side by side, using a level, position and marshal the garage door opener. Verify that the mounting bracket is located on a solid surface and secure it using the proper hardware.
Subsequently connecting the mounting bracket, secure both the coupling and mounting bracket on the operator.
At present install the emergency release rope and handle. Mountain it within reach and at least 6' above the garage floor. Ensure that the notice on the handle is right side upwardly and secure it with an overhand knot.

SAFETY Particular INSTALLATION

Automatic Door Lock Installation -From here we volition install the automatic door lock (Office #841LM). The lock must be within 10' of the opener and the mount must exist on the same side. Placement higher up the third roller is ideal.
Clean the within of the rail and attach the lock installation template. The pigsty for the lock commodities should exist at least 3 inches from the center of the third roller. Drill the holes on the template with a 5/16" & ¾" drill bits.
Adjacent attach the door lock to the outside of the door trim with the hardware provided.
Run the fastened bell wire up to the motor head and plug in the connectors.

THE 8500W IS CAPABLE OF HAVING 2 LOCKS INSTALLED FOR ADDED SECURITY.

Cable Tension Monitor Installation – This required device detects any slack that may occur in the cables and is capable of reversing the door.
The first pace is to position the cable tension monitor, so the roller is 2" – vi" from the drum & the roller extends by the cable 1/8" – 1/4". (Make sure the cable is approximately 3/four" from the mounting surface).
Side by side drill 3 3/16" airplane pilot holes & attach the cable tension monitor

PRO TIP – MAKE Certain THE ROLLER IS ON Pinnacle OF THE Cablevision.

Now run the bell wire above and around the opener and connect the wire to the dark-green quick-connect terminal.
Infrared Safety Eyes – These must be installed within half dozen inches of the bottom of the door
Run the bell wire to the opener
Install the white wires to the white terminals and the white & black wires to the grey terminal
Wall remote Installation – It is recommended you mount the wall remote v' from the floor or high plenty to be out of attain of small-scale children.
Run the reddish and ruby-red & white wires from the remote to the opener.
Connect to the red and white terminals on the opener.

Battery Fill-in INSTALLATION

Make sure the power is off and connect the ruddy and blackness wires to the respective terminals on the battery.
Place the battery in the opener and plug in the opener.

PRO TIP: IF THE OPENER IS IN Bombardment Backup MODE, THE MYQ DEVICES Volition BE DISABLED. THE Automatic DOOR LOCK Will Undo AND REMAIN THIS Mode UNTIL POWER IS RESTORED.

Set GARAGE DOOR TRAVEL

Printing the adjustment button until the "up" button begins to flash
Press and concord the "upwards" push until the garage door is in the desired position
Press and release the adjustment push. The garage opener lights will flash twice and the "down" button will brainstorm to flash.
Printing and hold the "down" push button until the garage door is in the desired down position
Press and release the adjustment button. Programming the garage door travel is now complete.

MYQ REMOTE LED LIGHT INSTALLATION

Get-go, pick the desired location and ensure it is within 6' of an outlet.
Drill half-dozen pilot holes & open the light lens
Mount the light with the screws provided
Your remote light has already been programed from the factory to operate with your opener. Whatsoever additional lights will need to exist programmed.

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Safety Disclaimer: In social club to encounter all procedures completely, there may be safety measures that are not taken by our actors. Exist sure to follow any and all proper condom requirements and refer to your manufacturer's installation manual for details. Your wellness and safety is the #1 business organisation. Failure to empathise/follow the recommendations in the course could result in holding harm, personal injury or expiry. While all efforts are made to provide accurate information and guidance, it is impossible to predict all door circumstances. Accordingly, the user agrees that the user of this video; products and information contained herein are at your ain risk. In no effect shall Service Leap be liable for whatever property damage, personal injury/expiry, or whatsoever other loss or damage that may result from your utilize of the information and products provided on this video. All information contained within this site is provided "equally-is" without warranty expressed or unsaid. User assumes all responsibility/risk for use of information and products purchased. If you take any doubts about your ability to perform the work safely, we recommend you contact another door professional to complete your repair.

Source: https://www.servicespring.com/how-to-install-liftmaster-8500w-jackshaft-opener/

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How To Install Liftmaster 8500