Manaras Opera OMH — Medium-Duty Jackshaft Operator Vancouver
The Manaras Opera OMH is the most widely installed commercial garage door operator in BC warehouses and light industrial facilities. Half-horsepower, 115V single-phase, jackshaft-mounted, with Hoist-a-Matic for manual operation under power. CCGDS is a Manaras service dealer based in Richmond, covering Metro Vancouver and the Lower Mainland.
Why the OMH Is Everywhere in BC
The OMH has been the default jackshaft operator for BC commercial and light-industrial applications for over two decades. The jackshaft mount keeps the full ceiling height clear above the door — critical in auto shops, strata industrial units, and any facility where an overhead trolley rail would conflict with equipment or storage. At 115V single-phase it runs on standard commercial power without a sub-panel or transformer. The Hoist-a-Matic chain lets the door be lifted manually while the operator is powered — important for facilities where a power failure must not trap a vehicle or block an exit.
Key Specifications
| Specification | Value |
|---|---|
| Drive Type | Jackshaft (torsion shaft mount) |
| Motor | ½ HP |
| Input Power | 115V single-phase |
| Duty Cycle | 12 cycles/hr · 50 cycles/day |
| Manual Operation | Hoist-a-Matic (lift under power) |
| Max Door Size | Up to 18 × 18 ft standard lift |
| Made in | Canada (Montreal, QC) |
Common OMH Repairs
The most frequent OMH faults we service are capacitor failure, control board issues, and limit switch drift. Capacitors degrade over time and cause the motor to start slowly or not at all — a classic symptom is an operator that hums but does not move the door. Control boards on older OMH units can be affected by power fluctuations; we carry replacement boards for current and previous-generation OMH models. Limit switch drift causes the door to stop short of fully open or closed and is corrected with a straightforward adjustment.
The Hoist-a-Matic chain also requires periodic attention — it should be checked for tension and lubricated annually. A slack or dry chain is the most common reason the manual operation stops working on an otherwise functional OMH.
Parts We Carry for the OMH
We stock OMH capacitors, control boards, limit switches, Hoist-a-Matic chain assemblies, and motor components at our Richmond shop. Most OMH repairs are completed same-day. Manaras is a Canadian manufacturer, which means parts availability in BC is better and lead times are shorter than with imported commercial operators. If a part needs to be ordered, it typically arrives in two to three business days.
Frequently Asked Questions
What is the duty cycle of the Manaras OMH?
The OMH is rated for 12 cycles per hour and 50 cycles per day. For applications exceeding 50 cycles per day — busy courier depots, high-traffic distribution docks — the heavier-duty OPJ or OMT is the correct choice. We assess the cycle count at quote time to confirm the right operator for the application.
Can the OMH be repaired or does it need to be replaced?
Most OMH faults are repairable — capacitors, control boards, and limit switches are all serviceable components. A unit that has been running for 15 or more years at high cycle counts may be at the point where a replacement is more cost-effective than continued repair. We give an honest assessment of repair vs. replace at the time of the service call.
How long does an OMH repair take?
Most OMH service calls take one to two hours on site. Capacitor and limit switch fixes are the fastest — typically under an hour. Control board replacements take longer if the board needs to be programmed. We carry the most common parts on the truck so parts availability rarely delays completion.
Call for OMH service or installation: 604‑206‑5727 — we cover Metro Vancouver and the Lower Mainland.