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Exhaust Fan Repair, Belts, Bearings and Rooftop Access
A rooftop exhaust fan runs every hour your kitchen is open, sits outside through a Northeast Ohio winter, and gets looked at by almost nobody until the day it quits. When it does quit, it does not quit quietly: the kitchen fills with heat and smoke, the dining room smells like the fryer, and depending on your local fire authority you may not be permitted to cook at all until it runs again.
Belts Are the Part That Fails First
A fan belt is a consumable. It stretches, glazes and cracks, and a belt that is slipping moves less air long before it snaps, so the kitchen gets hotter and greasier by degrees rather than all at once. Most operators never notice the decline, only the failure. We replace belts at least every six months as part of the maintenance program, because replacing a belt on a schedule costs a fraction of what it costs to lose a Friday service to one.
Bearings and Motors, and Why Lubrication Is the Whole Game
Bearings fail from neglect more than from age. Every quarterly visit includes lubrication of the Zerk fittings on the motor and bearings and cleaning of the motor casing so it can shed heat properly, because a motor running hot in a grease-laden airstream is a motor on a shortened clock. We also take an AMP draw measurement each visit to confirm the electrical load is within specification. A rising AMP draw is the earliest honest warning that a bearing is binding or a motor is on its way out, and it shows up months before anything audible does.
Northeast Ohio Weather Is Hard on Rooftop Equipment
Lake-effect snow, repeated freeze and thaw, and road salt do not treat rooftop units gently. Belts stiffen in cold and crack sooner, water finds its way into housings that have lost a seal, and grease that pools around a termination in November is frozen in place by January. Quarterly service exists because an annual look at a rooftop fan in this climate is not a schedule, it is a hope.
What the Code Expects at the Rooftop
NFPA 96 asks that upblast fans be serviceable rather than sealed. Hinged fans are required to have flexible weatherproof electrical cable and service hold-open retainers so the fan can be opened for inspection and cleaning, and rooftop terminations must drain grease into a collection container that is noncombustible, closed, rainproof and designed to stop grease damaging the roof beneath it. When we find a fan with no hinge kit, no containment, or a container that has been overflowing onto the membrane for a year, we say so in writing and quote the fix rather than cleaning around it. Our guide to the NFPA 96 standards covers the rest of the system.
What We Repair
We replace upblast and utility-set fans, fit belts, install access panels where duct runs cannot otherwise be reached, add hinge kits and grease containment, extend or reduce curbs, and repair roof damage where grease has worked its way under the membrane. Most of it we find during a commercial hood cleaning, while the system is already open, which is when a repair costs the least and interrupts the least.
The Fan Maintenance Program
Quarterly service by trained technicians, covering the motor, belts and bearings. Each visit includes Zerk fitting lubrication on the motor and bearings, cleaning of the motor casing, belt replacement as needed and at least every six months, and an AMP draw measurement. Covered parts carry a lifetime warranty that takes effect after 30 days in the program, and warranty replacements include both labor and parts. The point of it is that fan failures stop being events.
When Something Fails Anyway
We run emergency service for exhaust fan failures, because a kitchen that cannot ventilate is a kitchen that cannot open. Every technician who turns up is a Kitchen Guard employee on our payroll, not a subcontractor called that morning, which is why the person diagnosing your fan has usually been on your roof before and knows what is up there. If airflow is the complaint rather than the fan, the cause is often loaded grease filters or a choked duct, and we check both.
Coverage Across Northeast Ohio
Kitchen Guard of Northeast Ohio repairs and maintains exhaust systems for restaurants, corporate cafeterias, hospitals and assisted living kitchens, schools, hotels and sports venues from Cleveland and Akron through Canton and Youngstown. If you are responsible for several buildings, we will put every rooftop on one maintenance schedule with one set of records.
Exhaust Fan Repair in Northeast Ohio, Answered
What owners and facility managers across Cleveland, Akron, Canton and Youngstown ask us about fan failures, belt intervals and keeping a rooftop unit serviceable.
At least every six months, and sooner if the belt is glazed, cracked or running slack. A belt does not fail all at once. It slips first, which quietly reduces airflow and makes the kitchen hotter and greasier for weeks before anything breaks. Replacing on a schedule is the cheapest maintenance in the building.
Quarterly service on your exhaust fan covering the motor, belts and bearings. Each visit includes lubrication of the Zerk fittings on the motor and bearings, cleaning of the motor casing so it sheds heat properly, belt replacement as needed and at least every six months, and an AMP draw measurement to confirm the electrical load is in spec. Covered parts carry a lifetime warranty effective after 30 days in the program, and warranty replacements include both labor and parts.
It is the earliest honest warning you get. A rising AMP draw means the motor is working harder than it should, usually because a bearing is binding or the motor is degrading, and it shows up months before you hear anything or feel a difference in the kitchen. Catching it there is a bearing. Missing it is a motor and a lost service.
Call us. We run emergency service for fan failures because a kitchen that cannot ventilate usually cannot operate, and depending on your fire authority may not be permitted to. We diagnose on site and tell you plainly whether it is a belt, a bearing, a motor or the fan itself.
Yes. NFPA 96 expects upblast fans to be serviceable. Hinged fans need flexible weatherproof electrical cable and service hold-open retainers so the unit can be opened for inspection and cleaning, and rooftop terminations have to drain grease into a noncombustible, closed, rainproof collection container that keeps grease off the roof. Missing hinge kits and overflowing containment are two of the more common things we find on a first visit.
Usually. Our repair technicians assess the system, install the required components and document the work so you have evidence of the correction for the inspector. Tell us what the write-up said and we will tell you honestly whether it is our scope.
Yes, and we would rather say so than learn it halfway through. If a repair falls outside what we do, we will point you to someone who handles it. Hood suppression system work in particular is a separate licensed trade in most jurisdictions.
No. Every technician is a Kitchen Guard employee on our payroll, which is why the person who shows up for an emergency has usually been on your roof before.
