Lean teams use TPM because unreliable equipment breaks flow and forces extra inventory. Stable machines make takt time, standard work and just-in-time possible. TPM progress is often tracked with OEE and the six big losses.
Where it comes from
TPM grew in Japan from preventive maintenance practices that originated in the United States. The Japan Institute of Plant Maintenance and Seiichi Nakajima did much to define and spread it.
At a glance
The eight pillars of TPM
Swipe sideways to see the whole diagram.
How to apply Total Productive Maintenance
- 1
Pick a pilot machine
Start with one important, troublesome asset. A focused pilot shows the method before you spread it across the plant.
- 2
Measure the baseline
Track OEE and log downtime by cause. Group losses into the six big losses so you know where to focus.
- 3
Clean and inspect to restore basic condition
Operators and maintenance clean the machine together and tag every defect they find. Fix leaks, loose parts and contamination sources.
- 4
Set up autonomous maintenance
Create short daily checklists for operators covering cleaning, inspection and lubrication. Use visual marks so normal and abnormal conditions are obvious.
- 5
Build planned maintenance
Schedule preventive tasks based on run time or condition. Track work orders, spare parts and failure history in one place.
- 6
Attack chronic losses
Use focused improvement teams and root cause analysis on the biggest recurring losses. Feed what you learn into equipment design and purchasing.
Worked example
A plastics plant chooses its least reliable molding press for a TPM pilot. Operators and technicians clean it, tag a dozen defects and create a five-minute start-of-shift check. Minor stops fall, and the checklist becomes the template for other presses.
Common mistakes
- Treating TPM as a maintenance department program without operator involvement.
- Skipping the initial cleaning and restoration and jumping straight to schedules.
- Rolling out to every machine at once instead of proving the method on a pilot.
When Total Productive Maintenance is not the right tool
TPM is a long-term program, not a quick fix. A plant that needs a fast win on one machine may start with a focused repair and OEE tracking.
Autonomous maintenance also needs time, training and safe procedures for operators before they take on routine care.
What does TPM stand for?
TPM stands for total productive maintenance. Total means everyone takes part, from operators to managers. Productive means maintenance is done while keeping production running where possible. Maintenance means keeping equipment in good condition.
The approach was developed in Japan and promoted by the Japan Institute of Plant Maintenance (JIPM), with Seiichi Nakajima's writing bringing it to a wider audience.
The 8 pillars of TPM
The common model has eight pillars. Autonomous maintenance gives operators daily care of their machines. Planned maintenance schedules work based on failure and wear data. Focused improvement attacks specific losses. Quality maintenance prevents defects caused by equipment conditions.
Early equipment management designs new equipment to be easy to maintain. Training and education builds the skills the other pillars need. Safety, health and environment aims for zero accidents. TPM in office applies the same ideas to support functions. Progress is often tracked with OEE.
The six major losses
TPM targets six major losses: failures, adjustments, minor stoppages, reduced speed, scrap and rework. OEE measures their combined effect.
Seiichi Nakajima's book Introduction to TPM set out the approach for a wide audience.
| Approach | What triggers the work | Who does it |
|---|---|---|
| Preventive maintenance | A calendar or usage interval | Maintenance staff |
| Predictive maintenance | Condition data such as vibration or heat | Maintenance and reliability staff |
| TPM | A plant-wide program across all losses | Operators, maintenance and management |