Models & Specifications
| Specification | Details |
|---|---|
| Drive Type | Jackshaft (mounts on torsion shaft) |
| Motor Options | ½ HP, ¾ HP, or 1 HP |
| Input Power | 120 / 208 / 240 / 480 / 600 V · Single- or Three-Phase |
| Duty Cycle | High-cycle industrial rating |
| Maximum Door Size | Up to 24 ft × 24 ft |
| Manual Operation | Hoist-a-Matic® standard |
| Origin | Made in Canada |
Where the OPH Is Used
The OPH is built for loading docks with multiple daily truck cycles, large warehouse bay doors, cold-storage facilities, and any application where the lighter OMH model is undersized. It is our standard recommendation when three-phase power is available , the multi-voltage motor runs cooler and lasts longer on a 3Ø supply.
Common Failures & How We Repair Them
- Motor wear on high-cycle doors: We replace motors with the correct HP and voltage match, then verify brake alignment and limit settings.
- Hoist-a-Matic® mechanism binding: Disassembly, cleaning, lubrication, and replacement of worn pins or chain keep the manual override reliable.
- Control board or transformer faults: Power surges or phase imbalance can damage boards; we carry OEM replacements and reprogram limits on site.
- Shaft coupling or sprocket wear: Misalignment accelerates wear , we realign the drive train and install hardened sprockets where needed.
Choosing Between Models
Select horsepower based on door weight, size, and daily cycle count. Three-phase power (208/480/600 V) is preferred for longevity and cooler operation. Single-phase (120/240 V) works where 3Ø is unavailable. Our team assesses the door, power supply, and traffic pattern to specify the right OPH variant.
Parts & Accessories We Stock
We keep OPH motors, control boards, Hoist-a-Matic® components, limit switches, brake assemblies, and drive sprockets on hand for same-day or next-day repairs across the Lower Mainland.
Service Across Metro Vancouver
Up & Down Garage Doors installs and repairs OPH operators in Richmond, Vancouver, Burnaby, Surrey, Delta, and all surrounding municipalities. Pricing is quoted per project based on door specs, power requirements, and install complexity.
Call 778-873-7282 to schedule service or request a quote.