Product Information
The LiftMaster 480LM is an alternate mounting kit for select LiftMaster residential wall-mount garage door openers. It is used when the opener cannot be mounted directly onto the torsion bar area because of ceiling height, framing, side-room restrictions, or other obstructions near the shaft. This is an installation accessory for compatible wall-mount operators, not a repair part for standard rail-style openers.
Compatibility and Application
The 480LM is commonly associated with LiftMaster residential jackshaft and wall-mount garage door opener installations, including older RJO-style installations where direct mounting is not possible. Always verify the exact opener model and installation manual.
Use Notes
- Helps reposition a compatible wall-mount opener away from an obstruction.
- Used for installation correction, not electrical repair.
- Does not replace door hardware, torsion parts, drums, or cable components.
Features & Specifications
| Feature / Specification | Details |
|---|
| Manufacturer | LiftMaster |
| Product Type | RJO / Wall-Mount Alternate Mounting Kit |
| Part Number | 480LM |
| Application | Alternate mounting for select residential jackshaft or wall-mount garage door openers |
| Compatible Operator Type | Select LiftMaster residential wall-mount operators |
| Included Hardware | Mounting kit hardware as supplied by manufacturer |
| Notes | Used when direct mounting at the torsion bar is obstructed or lacks clearance |
Also Known As / Related Part Numbers
- 480LM
- 480LMC
- G480LM
- RJO alternate mounting kit
- LiftMaster wall mount opener extension kit
Technician Note
The 480LM is selected because of the installation conditions, not just because of the opener model. Check side room, shaft exposure, torsion hardware, and obstruction points before assuming this kit will correct a tight installation.
Before Ordering
- Confirm the opener is a compatible LiftMaster wall-mount style operator.
- Measure available side room and clearance around the torsion shaft.
- Inspect the torsion shaft, cable drums, springs, and bearing plates for proper condition.
- Do not use this kit with a standard ceiling-mounted rail opener.
Professional Advisory
Work around torsion shafts and spring hardware can be hazardous. If the door system is out of balance, the shaft is damaged, or clearance is limited, have the installation handled by a qualified garage door technician.
Product Q&A
What is the LiftMaster 480LM used for?
The 480LM is an alternate mounting kit for LiftMaster residential wall-mount garage door openers when the opener cannot mount directly to the torsion bar location.
Does the 480LM extend or lower a jackshaft opener?
Yes. It is used to reposition the wall-mount operator when framing, ceiling clearance, or side-room conditions prevent direct mounting in the standard position.
Is this kit for standard trolley garage door openers?
No. The 480LM is for select LiftMaster residential jackshaft or wall-mount style openers, not standard ceiling-mounted rail operators.
Will the 480LM solve every low-clearance installation issue?
Not always. Door shaft condition, side room, torsion hardware, drums, cable routing, and opener model all need to be reviewed before installation.
Should a technician install this mounting kit?
A qualified garage door technician is recommended when the installation involves torsion hardware, shaft alignment, or limited clearance around the door system.
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