An agitator / mixer / homogeniser 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 agitator / mixer / homogeniser fails. This page gives the schedule used in the PlantOps360 task library for agitator / mixer / homogeniser, which follows common industry practice for general-purpose equipment. It is also searched for as agitator, mixer, stirrer, propeller mixer.
The maker’s manual and your site safety procedures always come first where they differ. Intervals set by law differ by state.
Agitator / mixer / homogeniser preventive maintenance schedule and checklist
| How often | Task | Estimated time |
|---|---|---|
| Daily | Check for abnormal noise, vibration, seal leakage and motor current | 5 min |
| Weekly | Check gearbox oil level and mechanical seal flush | 15 min |
| Monthly | Grease bearings and check coupling; check shaft run-out visually | 30 min |
| Quarterly | Check gearbox oil condition; check blade and shaft for wear or corrosion | 60 min |
| Half-yearly | Change gearbox oil; check seal faces and replace if worn | 120 min |
| Annual | Overhaul: inspect shaft, blades and bearings; check alignment and base bolts | 360 min |
Agitator / mixer / homogeniser maintenance frequency and yearly workload
At the estimated times, one agitator / mixer / homogeniser needs about 63 hours of preventive maintenance a year. The biggest single job is “Overhaul: inspect shaft, blades and bearings; check alignment and base bolts” at 360 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 | 5 min | 30.4 h |
| Weekly | 1 | 15 min | 13.0 h |
| Monthly | 1 | 30 min | 6.0 h |
| Quarterly | 1 | 60 min | 4.0 h |
| Half-yearly | 1 | 120 min | 4.0 h |
| Annual | 1 | 360 min | 6.0 h |
What goes wrong on an agitator / mixer / homogeniser without preventive maintenance
- Mechanical seal failure
- Gearbox and bearing wear
- Shaft or blade damage
- Coupling misalignment
What to watch between services
- Noise, vibration and motor current
- Seal flush condition
- Gearbox oil
Safety and statutory notes for agitator / mixer / homogeniser maintenance
Lock out the agitator before entering or reaching into a vessel. A rotating shaft is a serious entanglement hazard.
Where an agitator / mixer / homogeniser preventive maintenance schedule is used
This equipment is used in the industries below. Each link opens the preventive maintenance schedule guide for that industry, and the maintenance software page where we have one.
- Preventive maintenance schedule for pharmaceutical plants · maintenance software for pharmaceutical · maintenance software for api bulk drugs
- Preventive maintenance schedule for chemical, fertiliser and petrochemical plants · maintenance software for chemical
- Preventive maintenance schedule for food, dairy and beverage plants · maintenance software for food processing · maintenance software for dairy
- Preventive maintenance schedule for agro, grain, edible oil and sugar plants · maintenance software for sugar and distilleries
- Preventive maintenance schedule for fmcg and consumer goods plants · maintenance software for fmcg
- Preventive maintenance schedule for packaging, paper and printing plants · maintenance software for packaging · maintenance software for paper and pulp
- Preventive maintenance schedule for plastics, rubber and polymer plants · maintenance software for plastics · maintenance software for tyre and rubber
- Preventive maintenance schedule for textile and garment mills · maintenance software for textile
- Preventive maintenance schedule for oil, gas and refinery facilities · maintenance software for oil and gas
- Preventive maintenance schedule for water and wastewater utilities
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Browse the full list of equipment preventive maintenance schedules (317 types).
Run this agitator / mixer / homogeniser 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 agitator / mixer / homogeniser be serviced?
In our schedule an agitator / mixer / homogeniser has 6 tasks: 1 daily, 1 weekly, 1 monthly, 1 quarterly, 1 half-yearly, 1 annual. The biggest job is “Overhaul: inspect shaft, blades and bearings; check alignment and base bolts”, which is done annual. Always follow the maker’s manual where it gives a different interval.
What is included in agitator / mixer / homogeniser preventive maintenance?
It covers routine checks and jobs such as “Check for abnormal noise, vibration, seal leakage and motor current”, “Check gearbox oil level and mechanical seal flush”, “Grease bearings and check coupling; check shaft run-out visually”, up to the annual overhaul or inspection. The full list with times is in the table above.
How many hours of maintenance does an agitator / mixer / homogeniser need per year?
About 63 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 agitator / mixer / homogeniser 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.