Complete Guide: LiftMaster 1240R Parts and Manual

A Simple Walkthrough about LiftMaster 1240R Parts and Manual

You already purchased the replacement parts for your LiftMaster garage door opener but you have no idea how to install them. Don’t stress yourself out! We will provide the details for you, every single part, which piece goes to which and how to install it. Here’s a simple walkthrough about your LiftMaster 1240R:

Product	Description
LiftMaster 41A2817 gear kit	* Replacement Gear Kit assembly for ALL 1984-2000 garage door opener operators * Compatible with ALL fail safe units from LiftMaster, Chamberlain, Sears Craftsman, Master Mechanic and Wayne Dalton * Includes gear, plastic worm wheel, Lubriplate grease and all necessary washers and hardware
LiftMaster 41A5021-1E Logic Board	* Replacement Logic/Circuit board (receiver board) for Security+ operators * Compatible with LiftMaster Chamberlain standard chain drive operators * Replaces logic board models 41A5021-1, 41A5021-1B, 41A5021-1C, 41A5021-1D, 41A5021-1E * Also compatible with LiftMaster Security+ systems from Chamberlain, Sears Craftsman, Master Mechanic, and Wayne Dalton
LiftMaster 41C4220 gear sprocket assembly	* Replacement Gear and Sprocket assembly for ALL 1984-2000 garage door opener operators * Compatible with ALL fail safe units from LiftMaster, Chamberlain, Sears Craftsman, Master Mechanic and Wayne Dalton * Includes metal sprocket assembly, plastic worm wheel and Lubriplate grease
LiftMaster 890max keychain remote	* Works on ALL 1993 to present CHAMBERLAIN / LIFTMASTER / SEARS CRAFTSMAN garage doors * Fits in purse, pocket or on a key chain * Can control up to three garage door openers, gate operators or MyQ enabled light accessories * Features Security+2.0 rolling code technology that virtually eliminates radio wave interference * 5-year 3V battery included
LiftMaster 893MAX remote	* Replaces 61LM to 64LM series, 81lm to 84lm series, 971LM to 974LM series, 371LM to 374LM series * Can control up to three garage door openers or gate operators, or MyQ enabled light accessories * Equipped with Security+ 2.0 rolling code technology that virtually eliminates radio wave interference * 5-year 3V lithium battery included * Compatible only with Security+ 2.0 LiftMaster garage door openers or gate operators
LiftMaster 971lm remote	* 1 channel/button transmitter, compatible with models manufactured from 1997-present * 390 MHZ Frequency, over 100 billion codes with code rotating technology (Security+) * Orange/Amber Color LED LIGHT on back of motor * Visor clip and Lithium battery (5 years life w/normal use) included * Compatible with ALL Security+ systems, including Chamberlain, Sears, Craftsman and Raynor code rolling residential openers (Safety Signal) * Chamberlain 950CB, 953CB, 956CB

Every replacement part for the LiftMaster 1240R is indicated in the table and its specific description so you won’t get confused. Actually, when you order the replacement parts, they come in sets and there are also printable manuals that come with the sets. You can always visit our website if you’re still confused with the instructions. We have a step by step printable guide available for you. Visit us at http://www.aclickawayremotes.com/liftmaster-1240r-parts-and-manual/

For easier reference, attached are the links for a step by step printable guide for the parts:

1. LiftMaster 41A2817 gear kit:

https://www.aclickawayremotes.com/content/Liftmaster_41A2817.pdf

2. LiftMaster 890max keychain remote

http://www.aclickawayremotes.com/content/890MAX_893MAX_895MAX.pdf
When viewing the manual for instructions, you have to take note that not all parts look the same. They may look different so you have to double check to avoid errors. Every printable manual is detailed with pictures on them so as not to confuse you with which part goes to which. Remember to always grease every part before installing them. Now that your replacement parts are all installed, remember to regularly clean them always so as to avoid damage to your garage door opener and to your pockets as well.

 

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