An axial / exhaust ventilation fan preventive maintenance schedule lists the checks and jobs done on the equipment at fixed intervals, how long each takes, and in what order of frequency, so problems are found before the axial / exhaust ventilation fan fails. This page gives the schedule used in the PlantOps360 task library for axial / exhaust ventilation fan, which follows common industry practice for general-purpose equipment. It is also searched for as exhaust fan, ventilation fan, axial flow fan, roof extractor.
The maker’s manual and your site safety procedures always come first where they differ. Intervals set by law differ by state.
Axial / exhaust ventilation fan preventive maintenance schedule and checklist
| How often | Task | Estimated time |
|---|---|---|
| Daily | Check for abnormal noise, vibration and running current | 3 min |
| Weekly | Clean blades, guard and louvres; check shutters open freely | 10 min |
| Monthly | Grease motor and fan bearings as per OEM; check belt (if belt driven) | 15 min |
| Quarterly | Check blade pitch, tip clearance and mounting bolts | 30 min |
| Half-yearly | Check electrical connections and terminal box; insulation resistance test | 45 min |
| Annual | Inspect blades for cracks; balance if vibration is high | 90 min |
Axial / exhaust ventilation fan maintenance frequency and yearly workload
At the estimated times, one axial / exhaust ventilation fan needs about 35 hours of preventive maintenance a year. The biggest single job is “Inspect blades for cracks; balance if vibration is high” at 90 minutes, done annual. Multiply by the number of units you have to see the workload for your plant.
| Frequency | Tasks | Time per round | Hours per year |
|---|---|---|---|
| Daily | 1 | 3 min | 18.3 h |
| Weekly | 1 | 10 min | 8.7 h |
| Monthly | 1 | 15 min | 3.0 h |
| Quarterly | 1 | 30 min | 2.0 h |
| Half-yearly | 1 | 45 min | 1.5 h |
| Annual | 1 | 90 min | 1.5 h |
What goes wrong on an axial / exhaust ventilation fan without preventive maintenance
- Bearing wear and noise
- Blade damage or dirt build-up
- Shutter or louvre sticking
- Belt or coupling faults
What to watch between services
- Vibration and noise
- Motor current
- Airflow at the outlet
Safety and statutory notes for axial / exhaust ventilation fan maintenance
Axial fans can be started remotely or by thermostat. Lock out the power before cleaning the blades.
Where an axial / exhaust ventilation fan preventive maintenance schedule is used
An axial / exhaust ventilation fan is found in almost every industry. The industry guides below show how it fits into the wider schedule of each one:
- Preventive maintenance schedule for pharmaceutical plants
- Preventive maintenance schedule for food, dairy and beverage plants
- Preventive maintenance schedule for automotive plants
- Preventive maintenance schedule for chemical, fertiliser and petrochemical plants
- Preventive maintenance schedule for cement, glass, ceramics and building materials plants
- Preventive maintenance schedule for steel, foundry, forging and metal plants
- Preventive maintenance schedule for textile and garment mills
- Preventive maintenance schedule for thermal and hydro power plants
See all industry preventive maintenance schedules.
Related equipment maintenance schedules
- Centrifugal fan preventive maintenance schedule
- Roots blower preventive maintenance schedule
- Liquid ring vacuum pump preventive maintenance schedule
- Dry screw / rotary vane vacuum pump preventive maintenance schedule
- Local exhaust ventilation preventive maintenance schedule
Browse the full list of equipment preventive maintenance schedules (317 types).
Run this axial / exhaust ventilation fan schedule in maintenance software
In preventive maintenance software, each row above becomes a recurring task on the asset with its checklist, time estimate and parts. Tasks can be triggered by calendar date, running hours, meter readings or production cycles, each completed task is recorded with the person and date, and a failed check can open a work order. For the method behind it, read the guide to the preventive maintenance schedule, or use the free generator to get a 12-month plan for your whole equipment list.
Build my preventive maintenance schedule (free Excel)
Frequently asked questions
How often should an axial / exhaust ventilation fan be serviced?
In our schedule an axial / exhaust ventilation fan has 6 tasks: 1 daily, 1 weekly, 1 monthly, 1 quarterly, 1 half-yearly, 1 annual. The biggest job is “Inspect blades for cracks; balance if vibration is high”, which is done annual. Always follow the maker’s manual where it gives a different interval.
What is included in axial / exhaust ventilation fan preventive maintenance?
It covers routine checks and jobs such as “Check for abnormal noise, vibration and running current”, “Clean blades, guard and louvres; check shutters open freely”, “Grease motor and fan bearings as per OEM; check belt (if belt driven)”, up to the annual overhaul or inspection. The full list with times is in the table above.
How many hours of maintenance does an axial / exhaust ventilation fan need per year?
About 35 hours per unit per year at the estimated times in our library, including the daily checks done every day. Use it to plan workload, not as a benchmark.
Is there a free axial / exhaust ventilation fan maintenance checklist?
Yes. The table on this page is a ready checklist. The free preventive maintenance schedule generator turns it into a 12-month Excel schedule for your list of equipment, with monthly workload hours.