{"product_id":"liftmaster-ma117","title":"LiftMaster MA117 Counterweight — Documented 15-Foot Mega Arm Configurations","description":"\u003cp\u003e\u003cstrong\u003eThe LiftMaster MA117 is the counterweight identified in the Mega Arm family accessory guide for documented 15-foot barrier arms. The guide specifies it with the MA115, MA116 and MA116R arm options. Select the counterweight as part of the complete operator-and-arm configuration rather than as a general way to make any barrier lift more easily. The arm model, length, mounting and operator variant must all agree with the manufacturer’s approved arrangement.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eCompatibility — Models, Versions and Exclusions\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel or selection point\u003c\/th\u003e\n\u003cth\u003eCompatibility requirement\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMA115 15-foot arm\u003c\/td\u003e\n\u003ctd\u003eManufacturer accessory guide identifies MA117 as required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMA116 \/ MA116R 15-foot arms\u003c\/td\u003e\n\u003ctd\u003eManufacturer guide identifies the counterweight requirement for these arm options.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShorter or articulated arms\u003c\/td\u003e\n\u003ctd\u003eDo not assume the same weight or mounting arrangement applies.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSprint configurations\u003c\/td\u003e\n\u003ctd\u003eCheck the exact operator’s arm limits and approved accessories before selecting a long arm.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCustom signs, lighting or added arm weight\u003c\/td\u003e\n\u003ctd\u003eRequire evaluation; a counterweight does not automatically authorize additional loading.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eMatch the Counterweight to the Complete Arm Assembly\u003c\/h2\u003e\u003cp\u003eCounterweight selection depends on the installed arm configuration, including its length and approved accessories. Record the actual arm model rather than estimating from the lane width. If the arm has been shortened, replaced or fitted with additional equipment, have the installer check the resulting arrangement before ordering or moving a counterweight.\u003c\/p\u003e\u003cp\u003eThe counterweight does not repair a worn reducer, damaged arm bracket or binding shaft. An arm that travels unevenly needs a mechanical inspection before balance changes are made. Follow the prescribed mounting and adjustment procedure, then verify the arm through its complete travel. Do not improvise by adding scrap weight or using an unapproved mounting position to change the behavior.\u003c\/p\u003e\u003ch2\u003eSpecifications and Product Identification\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eMA117\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eBarrier-arm counterweight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDocumented use\u003c\/td\u003e\n\u003ctd\u003eRequired for the listed 15-foot arm options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eListed arm examples\u003c\/td\u003e\n\u003ctd\u003eMA115, MA116 and MA116R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem role\u003c\/td\u003e\n\u003ctd\u003eMechanical balancing within the documented arm configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelection requirement\u003c\/td\u003e\n\u003ctd\u003eExact operator, arm and accessory instructions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eBefore Ordering\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRecord the exact barrier operator and arm model.\u003c\/li\u003e\n\u003cli\u003eConfirm the documented MA117 requirement for the selected arm.\u003c\/li\u003e\n\u003cli\u003eInspect the arm, mounting bracket, shaft and existing hardware.\u003c\/li\u003e\n\u003cli\u003ePlan secure support of the arm and counterweight during installation and testing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Contents and Separate Requirements\u003c\/h2\u003e\u003cp\u003eThis offer identifies the MA117 counterweight. A barrier arm, operator, arm bracket and a complete mounting-hardware package are not promised as included. Confirm the current carton and the installation hardware required for the particular arm arrangement. The weight is a component of a specified system, not a complete long-arm conversion package on its own.\u003c\/p\u003e\u003ch2 class=\"safety-warning\"\u003eSafety Warnings — Read Before Installation or Service\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWARNING: An unsupported barrier arm or counterweight can move unexpectedly and cause serious injury. Use a qualified gate technician and secure both before loosening hardware.\u003c\/li\u003e\n\u003cli\u003eDisconnect AC and battery power as directed and close the lane to traffic during service.\u003c\/li\u003e\n\u003cli\u003eUse only the documented arm, counterweight and mounting configuration. Do not add improvised weights or exceed the operator’s approved arm limits.\u003c\/li\u003e\n\u003cli\u003eCheck all retaining hardware and complete the required travel and protection tests before reopening the lane.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRelated Products and Important Differences\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/garage-doorparts.com\/products\/liftmaster-lmrrul-monitored-retro-reflective-photo-eye\"\u003eLMRRUL monitored photo eye\u003c\/a\u003e — a separate protection option only where the exact operator and control revision approve it; not a universal legacy retrofit.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/garage-doorparts.com\/products\/liftmaster-lmwekitu-monitored-wireless-edge-kit-for-gate-operators\"\u003eLMWEKITU monitored wireless edge kit\u003c\/a\u003e — a separate edge communication system for approved controls and resistive edges; not a replacement for this mechanical or electrical service part.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eIs MA117 required for every Mega Arm?\u003c\/h3\u003e\u003cp\u003eNo. The manufacturer identifies it for particular 15-foot arm configurations; check the exact system.\u003c\/p\u003e\u003ch3\u003eCan it let a Sprint operator use any longer arm?\u003c\/h3\u003e\u003cp\u003eNo. Counterweight selection does not override the operator’s approved arm and speed limitations.\u003c\/p\u003e\u003ch3\u003eWill it fix a damaged gearbox?\u003c\/h3\u003e\u003cp\u003eNo. Mechanical drive faults require their own diagnosis and repair.\u003c\/p\u003e\u003ch3\u003eDoes it include the 15-foot arm?\u003c\/h3\u003e\u003cp\u003eNo arm is promised in this counterweight offer. Select the documented arm and required hardware separately.\u003c\/p\u003e\u003ch2\u003eNeed Help Confirming the Right Product?\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/garage-doorparts.com\/pages\/contact\"\u003eContact Garage-DoorParts.com before ordering\u003c\/a\u003e. Send the full equipment model, readable part labels and photographs of the installed assembly. Include the dimensions, electrical configuration or accessory details relevant to your project so the listing can be checked against the actual installation.\u003c\/p\u003e","brand":"LiftMaster","offers":[{"title":"Default Title","offer_id":60655781871902,"sku":"MA117","price":414.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/2781\/5710\/files\/ma117.png?v=1793139957","url":"https:\/\/garage-doorparts.com\/products\/liftmaster-ma117","provider":"garage-doorparts.com","version":"1.0","type":"link"}